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Trojan.Encoder.32065
Added to the Dr.Web virus database:
2020-07-03
Virus description added:
2020-07-04
Technical Information
To ensure autorun and distribution
Creates the following files on removable media
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Reads files which store third party applications passwords
%HOMEPATH%\desktop\508softwareandos.doc
%HOMEPATH%\desktop\contosoroot.cer
%HOMEPATH%\desktop\archer.avi
%HOMEPATH%\desktop\about.htm
%HOMEPATH%\desktop\contosoroot_1.cer
%HOMEPATH%\desktop\dashborder_120.bmp
%HOMEPATH%\desktop\trivial-merge.htm
%HOMEPATH%\desktop\tree_view.htm
%HOMEPATH%\desktop\sdksampleunprivdeveloper.cer
%HOMEPATH%\desktop\nwfieldnotes1966.docx
%HOMEPATH%\desktop\fi51.doc
%HOMEPATH%\desktop\dialmap.bmp
%HOMEPATH%\desktop\default.bmp
%HOMEPATH%\desktop\contoso_1.cer
%HOMEPATH%\desktop\correct.avi
Modifies file system
Creates the following files
%HOMEPATH%\ce6a83-readme.txt
%PROGRAMDATA%\microsoft\mf\ce6a83-readme.txt
%PROGRAMDATA%\microsoft\officesoftwareprotectionplatform\cache\ce6a83-readme.txt
%ProgramFiles(x86)%\microsoft office\office14\1033\ce6a83-readme.txt
%ProgramFiles(x86)%\k-lite codec pack\ce6a83-readme.txt
%ProgramFiles(x86)%\k-lite codec pack\icaros\ce6a83-readme.txt
%ProgramFiles(x86)%\winamp\ce6a83-readme.txt
C:\users\public\libraries\ce6a83-readme.txt
C:\far2\encyclopedia\ce6a83-readme.txt
%ProgramFiles(x86)%\adobe\acrobat reader dc\reader\ce6a83-readme.txt
%PROGRAMDATA%\microsoft toolkit\ce6a83-readme.txt
C:\far2\encyclopedia\tap\ce6a83-readme.txt
C:\users\public\pictures\sample pictures\ce6a83-readme.txt
C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\ce6a83-readme.txt
D:\ce6a83-readme.txt
C:\far2\ce6a83-readme.txt
%HOMEPATH%\desktop\ce6a83-readme.txt
%HOMEPATH%\contacts\ce6a83-readme.txt
%PROGRAMDATA%\ce6a83-readme.txt
C:\totalcmd\ce6a83-readme.txt
%PROGRAMDATA%\microsoft\user account pictures\ce6a83-readme.txt
%ProgramFiles(x86)%\opera\ce6a83-readme.txt
%ProgramFiles(x86)%\qip 2012\ce6a83-readme.txt
%ProgramFiles(x86)%\mirc\ce6a83-readme.txt
%ProgramFiles(x86)%\adobe\acrobat reader dc\ce6a83-readme.txt
C:\far2\documentation\rus\ce6a83-readme.txt
%ProgramFiles(x86)%\steam\ce6a83-readme.txt
Moves the following files
from %ProgramFiles(x86)%\adobe\acrobat reader dc\readme.htm to %ProgramFiles(x86)%\adobe\acrobat reader dc\readme.htm.ce6a83
from %ProgramFiles(x86)%\adobe\acrobat reader dc\reader\agmgpuoptin.ini to %ProgramFiles(x86)%\adobe\acrobat reader dc\reader\agmgpuoptin.ini.ce6a83
from %ProgramFiles(x86)%\k-lite codec pack\icaros\ffmpeg license.txt to %ProgramFiles(x86)%\k-lite codec pack\icaros\ffmpeg license.txt.ce6a83
from %ProgramFiles(x86)%\qip 2012\unins000.dat to %ProgramFiles(x86)%\qip 2012\unins000.dat.ce6a83
from %ProgramFiles(x86)%\mirc\mirc.chm to %ProgramFiles(x86)%\mirc\mirc.chm.ce6a83
from %ProgramFiles(x86)%\winamp\whatsnew.txt to %ProgramFiles(x86)%\winamp\whatsnew.txt.ce6a83
from %ProgramFiles(x86)%\k-lite codec pack\unins000.dat to %ProgramFiles(x86)%\k-lite codec pack\unins000.dat.ce6a83
from %ProgramFiles(x86)%\mirc\versions.txt to %ProgramFiles(x86)%\mirc\versions.txt.ce6a83
from %ProgramFiles(x86)%\mirc\ircintro.chm to %ProgramFiles(x86)%\mirc\ircintro.chm.ce6a83
from %ProgramFiles(x86)%\microsoft office\office14\1033\vbaows10.chm to %ProgramFiles(x86)%\microsoft office\office14\1033\vbaows10.chm.ce6a83
from %ProgramFiles(x86)%\k-lite codec pack\icaros\icaros license.txt to %ProgramFiles(x86)%\k-lite codec pack\icaros\icaros license.txt.ce6a83
from %ProgramFiles(x86)%\winamp\paths.ini to %ProgramFiles(x86)%\winamp\paths.ini.ce6a83
from %ProgramFiles(x86)%\winamp\pconfig.dcf to %ProgramFiles(x86)%\winamp\pconfig.dcf.ce6a83
from %ProgramFiles(x86)%\opera\installer_prefs.json to %ProgramFiles(x86)%\opera\installer_prefs.json.ce6a83
from %ProgramFiles(x86)%\qip 2012\unins000.msg to %ProgramFiles(x86)%\qip 2012\unins000.msg.ce6a83
from %ProgramFiles(x86)%\opera\resources.pri to %ProgramFiles(x86)%\opera\resources.pri.ce6a83
from %ProgramFiles(x86)%\opera\server_tracking_data to %ProgramFiles(x86)%\opera\server_tracking_data.ce6a83
from %ProgramFiles(x86)%\opera\launcher.visualelementsmanifest.xml to %ProgramFiles(x86)%\opera\launcher.visualelementsmanifest.xml.ce6a83
from %ProgramFiles(x86)%\mirc\readme.txt to %ProgramFiles(x86)%\mirc\readme.txt.ce6a83
from %ProgramFiles(x86)%\opera\installation_status.xml to %ProgramFiles(x86)%\opera\installation_status.xml.ce6a83
from %ProgramFiles(x86)%\winamp\install.ini to %ProgramFiles(x86)%\winamp\install.ini.ce6a83
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Creates and executes the following
'<SYSTEM32>\vssadmin.exe' delete shadows /all /quiet' (with hidden window)
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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
Descargue Dr.Web para Android
Gratis por 3 meses
Todos los componentes de protección
Renovación de la demo a través de AppGallery/Google Pay
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