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Trojan.Encoder.32826

Added to the Dr.Web virus database: 2020-10-14

Virus description added:

Technical Information

To ensure autorun and distribution
Changes the following executable system files
  • <SYSTEM32>\dwm.exe
Malicious functions
Injects code into
the following system processes:
  • <SYSTEM32>\taskhost.exe
Modifies file system
Creates the following files
  • %ALLUSERSPROFILE%\microsoft\crypto\rsa\machinekeys\08e575673cce10c72090304839888e02_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
  • C:\documents and settings\default\favorites\ryukreadme.txt
  • C:\documents and settings\default\links\ryukreadme.txt
  • C:\documents and settings\default\saved games\ryukreadme.txt
  • C:\documents and settings\public\ryukreadme.txt
  • C:\documents and settings\public\downloads\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrobat\dc\ryukreadme.txt
  • C:\documents and settings\default\downloads\ryukreadme.txt
  • C:\documents and settings\default\documents\my videos\ryukreadme.txt
  • C:\documents and settings\user\ryukreadme.txt
  • C:\documents and settings\user\appdata\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrobat\ryukreadme.txt
  • C:\documents and settings\public\libraries\ryukreadme.txt
  • C:\documents and settings\public\recorded tv\sample media\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\internet explorer\quick launch\ryukreadme.txt
  • C:\documents and settings\public\recorded tv\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\programs\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\cookies\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\network shortcuts\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\printer shortcuts\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\recent\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\sendto\ryukreadme.txt
  • C:\documents and settings\default\documents\ryukreadme.txt
  • C:\documents and settings\default\documents\my pictures\ryukreadme.txt
  • C:\documents and settings\default\documents\my music\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\programs\maintenance\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\templates\ryukreadme.txt
  • C:\documents and settings\default\desktop\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\windows\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrobat\dc\cache\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\ryukreadme.txt
  • C:\documents and settings\default\start menu\programs\accessories\system tools\computer.lnk
  • C:\documents and settings\default\start menu\programs\maintenance\desktop.ini
  • C:\documents and settings\default user\ntuser.dat.log1
  • C:\documents and settings\default\start menu\programs\accessories\accessibility\desktop.ini
  • C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000001.regtrans-ms
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cookie\cookies
  • C:\documents and settings\user\appdata\local\adobe\color\profiles\wscrgb.icc
  • C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tm.blf
  • C:\documents and settings\default\sendto\desktop.ini
  • C:\documents and settings\default\start menu\programs\accessories\accessibility\on-screen keyboard.lnk
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cache\data_1
  • C:\documents and settings\user\appdata\local\application data\application data\application data\application data\application data\application data\application data\application data\application ...
  • C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000002.regtrans-ms
  • C:\documents and settings\user\appdata\local\application data\application data\adobe\acrobat\dc\iconcacherdr.dat
  • C:\documents and settings\default user\start menu\programs\accessories\system tools\desktop.ini
  • C:\documents and settings\user\appdata\local\adobe\acrocef\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrobat\dc\toolssearchcacherdr\ryukreadme.txt
  • C:\documents and settings\public\recorded tv\sample media\win7_scenic-demoshort_raw.wtv
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cache\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cookie\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\color\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\color\profiles\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrobat\dc\cache\acrofnt15.lst
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\ryukreadme.txt
  • C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cache\data_0
  • C:\documents and settings\default\ntuser.dat
  • C:\documents and settings\public\libraries\desktop.ini
  • C:\documents and settings\public\libraries\recordedtv.library-ms
  • C:\documents and settings\public\recorded tv\desktop.ini
  • C:\documents and settings\public\recorded tv\sample media\desktop.ini
  • C:\documents and settings\desktop.ini
  • C:\documents and settings\public\desktop.ini
  • C:\documents and settings\public\downloads\desktop.ini
  • C:\documents and settings\default\appdata\roaming\microsoft\internet explorer\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\microsoft\ryukreadme.txt
  • C:\documents and settings\default\appdata\roaming\media center programs\ryukreadme.txt
  • C:\documents and settings\all users\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\acrordrdcupd1500820082.msp
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\micr...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\docu...
  • C:\documents and settings\all users\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\acroread.msi
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-a...
  • C:\documents and settings\all users\adobe\arm\reader_15.007.20033\readerdcmanifest.msi
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\package cache\{0d3e9e...
  • C:\documents and settings\all users\adobe\arm\s\armmanifest.msi
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\star...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\microsoft\device stag...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\microsoft\search\data...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\microsoft\assistance\...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\package cache\42d5bec...
  • C:\documents and settings\all users\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\setup.ini
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\data...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\pack...
  • C:\documents and settings\all users\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\reader_15.007.20033\ryukreadme.txt
  • D:\$recycle.bin\ryukreadme.txt
  • D:\$recycle.bin\s-1-5-21-1960123792-2022915161-3775307078-1001\ryukreadme.txt
  • C:\ryukreadme.txt
  • C:\documents and settings\ryukreadme.txt
  • C:\documents and settings\all users\ryukreadme.txt
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\appl...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\package cache\{a2563e...
  • D:\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\reader_15.008.20082\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\s\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\s\10428\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\{291aa914-a987-4ce9-bd63-ac0a92d435e5}\ryukreadme.txt
  • C:\documents and settings\all users\adobe\setup\ryukreadme.txt
  • C:\documents and settings\all users\adobe\arm\ryukreadme.txt
  • C:\documents and settings\all users\adobe\ryukreadme.txt
  • C:\documents and settings\all users\application data\adobe\arm\reader_15.007.20033\acrordrdcupd1500920077.msp
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\package cache\{bc958b...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{0d3e9e15-de7a-300b-96f1-b4af12b96488}v14...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\microsoft\windows\wer\reportqueue\appcrash_autokms.exe_efd62e343880604c4...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\microsoft office 2...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\microsoft\windows\wer\reportqueue\noncritical_x64_d473a...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\microsoft\windows\wer\reportqueue\noncritical_x64_4a8ed...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{a2563e55-3bec-3828-8d67-e5e8b9e8b675}v14...
  • volume{600ba660-c712-11e6-a54f-080027cffa47}\system volume information\tracking.log.tmp
  • C:\documents and settings\default\appdata\ryukreadme.txt
  • C:\documents and settings\default\appdata\local\ryukreadme.txt
  • C:\documents and settings\default\appdata\local\application data\application data\application data\application data\application data\application data\application data\application data\applicati...
  • C:\documents and settings\default\appdata\roaming\ryukreadme.txt
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14.0.23026\packages...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14.0.23026\packages...
  • C:\documents and settings\default\ryukreadme.txt
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\microsoft\windows\wer\reportqueue\noncritical_x64_5d5d8...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\microsoft\windows\wer\reportqueue\appcrash_autokms.exe_...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\package cache\{be960c...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\k...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\m...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\search\data\applications\win...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\machinekeys\08e57...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\5d91c0b7...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\6d14e4b1...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\a...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\keys\68383f0e45dd9b02...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\documents\my music\sample music\albuma...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\windows defender\definition ...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\package cache\42d5bec7ddfbd49e76467529...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\package cache\{0d3e9e15-de7a-300b-96f1...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\package cache\{a2563e55-3bec-3828-8d67...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\m...
  • C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\d42cc0c3...
  • C:\documents and settings\default user\sendto\fax recipient.lnk
  • C:\documents and settings\default\start menu\programs\accessories\run.lnk
Moves the following files
  • from C:\documents and settings\all users\adobe\arm\s\armmanifest.msi to C:\documents and settings\all users\adobe\arm\s\armmanifest.msi.ryk
  • from C:\documents and settings\public\desktop.ini to C:\documents and settings\public\desktop.ini.ryk
  • from C:\documents and settings\public\downloads\desktop.ini to C:\documents and settings\public\downloads\desktop.ini.ryk
  • from C:\documents and settings\public\libraries\desktop.ini to C:\documents and settings\public\libraries\desktop.ini.ryk
  • from C:\documents and settings\public\libraries\recordedtv.library-ms to C:\documents and settings\public\libraries\recordedtv.library-ms.ryk
  • from C:\documents and settings\public\recorded tv\desktop.ini to C:\documents and settings\public\recorded tv\desktop.ini.ryk
  • from C:\documents and settings\public\recorded tv\sample media\desktop.ini to C:\documents and settings\public\recorded tv\sample media\desktop.ini.ryk
  • from C:\documents and settings\public\recorded tv\sample media\win7_scenic-demoshort_raw.wtv to C:\documents and settings\public\recorded tv\sample media\win7_scenic-demoshort_raw.wtv.ryk
  • from C:\documents and settings\user\appdata\local\adobe\acrobat\dc\cache\acrofnt15.lst to C:\documents and settings\user\appdata\local\adobe\acrobat\dc\cache\acrofnt15.lst.ryk
  • from C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cache\data_0 to C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cache\data_0.ryk
  • from C:\documents and settings\default\ntuser.dat.log to C:\documents and settings\default\ntuser.dat.log.ryk
  • from C:\documents and settings\desktop.ini to C:\documents and settings\desktop.ini.ryk
  • from C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cookie\cookies to C:\documents and settings\user\appdata\local\adobe\acrocef\dc\acrobat\cookie\cookies.ryk
  • from C:\documents and settings\default user\ntuser.dat.log1 to C:\documents and settings\default user\ntuser.dat.log1.ryk
  • from C:\documents and settings\default\start menu\programs\accessories\accessibility\desktop.ini to C:\documents and settings\default\start menu\programs\accessories\accessibility\desktop.ini.ryk
  • from C:\documents and settings\user\appdata\local\adobe\color\profiles\wscrgb.icc to C:\documents and settings\user\appdata\local\adobe\color\profiles\wscrgb.icc.ryk
  • from C:\documents and settings\default\sendto\desktop.ini to C:\documents and settings\default\sendto\desktop.ini.ryk
  • from C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000001.regtrans-ms to C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000001.regtrans-ms.ryk
  • from C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tm.blf to C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tm.blf.ryk
  • from C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000002.regtrans-ms to C:\documents and settings\default user\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000002.regtrans-ms.ryk
  • from C:\documents and settings\default user\sendto\fax recipient.lnk to C:\documents and settings\default user\sendto\fax recipient.lnk.ryk
  • from C:\documents and settings\default\start menu\programs\accessories\run.lnk to C:\documents and settings\default\start menu\programs\accessories\run.lnk.ryk
  • from C:\documents and settings\default\start menu\programs\accessories\system tools\computer.lnk to C:\documents and settings\default\start menu\programs\accessories\system tools\computer.lnk.ryk
  • from C:\documents and settings\default\start menu\programs\maintenance\desktop.ini to C:\documents and settings\default\start menu\programs\maintenance\desktop.ini.ryk
  • from volume{600ba660-c712-11e6-a54f-080027cffa47}\system volume information\tracking.log.tmp to volume{600ba660-c712-11e6-a54f-080027cffa47}\system volume information\tracking.log
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14.0.23026\packages... to C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14.0.23026\packages...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14.0.23026\packages... to C:\documents and settings\all users\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14.0.23026\packages...
  • from C:\documents and settings\all users\application data\adobe\arm\reader_15.007.20033\acrordrdcupd1500920077.msp to C:\documents and settings\all users\application data\adobe\arm\reader_15.007.20033\acrordrdcupd1500920077.msp.ryk
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\appl... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\appl...
  • from C:\documents and settings\all users\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\acrordrdcupd1500820082.msp to C:\documents and settings\all users\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\acrordrdcupd1500820082.msp.ryk
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\micr... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\micr...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\docu... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\docu...
  • from C:\documents and settings\all users\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\setup.ini to C:\documents and settings\all users\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\setup.ini.ryk
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\data... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\data...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-a... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\adobe\setup\{ac76ba86-7ad7-1033-7b44-a...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\pack... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\pack...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\star... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\application data\star...
  • from C:\documents and settings\all users\adobe\arm\reader_15.007.20033\readerdcmanifest.msi to C:\documents and settings\all users\adobe\arm\reader_15.007.20033\readerdcmanifest.msi.ryk
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\a... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\a...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\m... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\m...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\5d91c0b7... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\5d91c0b7...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\6d14e4b1... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\6d14e4b1...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\keys\68383f0e45dd9b02... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\keys\68383f0e45dd9b02...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\d42cc0c3... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\crypto\rsa\s-1-5-18\d42cc0c3...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\windows defender\definition ... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\microsoft\windows defender\definition ...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\m... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\m...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{bc958bd2-5dac-3862-bb1a-c1be0790438d}v14...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\package cache\{be960c1c-7bad-3de6-8b1a-2616fe532845}v14...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\microsoft office 2... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\start menu\programs\microsoft office\microsoft office 2...
  • from C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\k... to C:\documents and settings\all users\application data\application data\application data\application data\application data\application data\application data\application data\start menu\programs\k...
  • from C:\documents and settings\default user\start menu\programs\accessories\system tools\desktop.ini to C:\documents and settings\default user\start menu\programs\accessories\system tools\desktop.ini.ryk
  • from C:\documents and settings\default\start menu\programs\accessories\accessibility\on-screen keyboard.lnk to C:\documents and settings\default\start menu\programs\accessories\accessibility\on-screen keyboard.lnk.ryk
Changes user data files extensions (Trojan.Encoder).

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android