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Trojan.Encoder.39107
Added to the Dr.Web virus database:
2024-06-17
Virus description added:
2024-06-19
Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Terminates or attempts to terminate
the following user processes:
Modifies file system
Creates the following files
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\how to restore your files.txt
C:\users\public\pictures\how to restore your files.txt
C:\users\public\recorded tv\how to restore your files.txt
C:\users\public\videos\how to restore your files.txt
%HOMEPATH%\how to restore your files.txt
%HOMEPATH%\contacts\how to restore your files.txt
%HOMEPATH%\downloads\how to restore your files.txt
%HOMEPATH%\favorites\how to restore your files.txt
%HOMEPATH%\favorites\links\how to restore your files.txt
C:\users\public\pictures\sample pictures\how to restore your files.txt
C:\users\default\links\how to restore your files.txt
%HOMEPATH%\documents\how to restore your files.txt
%HOMEPATH%\music\how to restore your files.txt
%HOMEPATH%\favorites\microsoft websites\how to restore your files.txt
%HOMEPATH%\pictures\how to restore your files.txt
%HOMEPATH%\favorites\msn websites\how to restore your files.txt
%HOMEPATH%\saved games\how to restore your files.txt
%HOMEPATH%\videos\how to restore your files.txt
<Current directory>\how to restore your files.txt
D:\how to restore your files.txt
%HOMEPATH%\desktop\how to restore your files.txt
C:\users\public\music\sample music\how to restore your files.txt
C:\users\public\libraries\how to restore your files.txt
C:\users\public\videos\sample videos\how to restore your files.txt
C:\users\public\recorded tv\sample media\how to restore your files.txt
C:\users\public\music\how to restore your files.txt
C:\msocache\how to restore your files.txt
C:\perflogs\how to restore your files.txt
C:\perflogs\admin\how to restore your files.txt
C:\recovery\how to restore your files.txt
C:\users\how to restore your files.txt
C:\kms\how to restore your files.txt
C:\users\default\downloads\how to restore your files.txt
C:\users\default\desktop\how to restore your files.txt
C:\users\default\documents\how to restore your files.txt
%HOMEPATH%\links\how to restore your files.txt
%HOMEPATH%\favorites\links for united states\how to restore your files.txt
C:\users\default\how to restore your files.txt
C:\users\default\videos\how to restore your files.txt
C:\users\public\how to restore your files.txt
C:\users\default\favorites\how to restore your files.txt
C:\users\default\saved games\how to restore your files.txt
C:\users\default\pictures\how to restore your files.txt
C:\users\public\desktop\how to restore your files.txt
C:\users\public\documents\how to restore your files.txt
C:\users\public\downloads\how to restore your files.txt
C:\users\public\favorites\how to restore your files.txt
C:\how to restore your files.txt
C:\users\default\music\how to restore your files.txt
%HOMEPATH%\searches\how to restore your files.txt
Modifies the following files
C:\kms\kms_vl_all_aio.cmd.babyk
%HOMEPATH%\favorites\links\web slice gallery.url.babyk
%HOMEPATH%\desktop\1189.jpeg.babyk
%HOMEPATH%\desktop\13.jpeg.babyk
%HOMEPATH%\contacts\user.contact.babyk
C:\users\public\pictures\sample pictures\jellyfish.jpg.babyk
C:\users\public\pictures\sample pictures\desert.jpg.babyk
C:\users\public\pictures\sample pictures\hydrangeas.jpg.babyk
C:\users\public\pictures\sample pictures\chrysanthemum.jpg.babyk
C:\users\public\music\sample music\sleep away.mp3.babyk
C:\users\public\music\sample music\maid with the flaxen hair.mp3.babyk
C:\users\public\music\sample music\kalimba.mp3.babyk
C:\users\public\videos\sample videos\wildlife.wmv.babyk
C:\users\public\recorded tv\sample media\win7_scenic-demoshort_raw.wtv.babyk
C:\users\public\libraries\recordedtv.library-ms.babyk
C:\users\public\desktop\steam.lnk.babyk
C:\users\public\desktop\opera.lnk.babyk
C:\users\public\desktop\mozilla thunderbird.lnk.babyk
C:\users\public\desktop\firefox.lnk.babyk
C:\users\public\desktop\acrobat reader dc.lnk.babyk
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000002.regtrans-ms.babyk
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000001.regtrans-ms.babyk
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tm.blf.babyk
C:\users\default\ntuser.dat.log2.babyk
C:\users\default\ntuser.dat.log1.babyk
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\winre.wim.babyk
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\boot.sdi.babyk
C:\kms\kms_vl_all_aio_debug.log.babyk
%HOMEPATH%\desktop\4f0bf7ff71f28.jpeg.babyk
C:\users\public\pictures\sample pictures\koala.jpg.babyk
Modifies multiple files.
Moves itself
from <Full path to file> to <Full path to file>.babyk
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Executes the following
'<SYSTEM32>\cmd.exe' /c vssadmin.exe delete shadows /all /quiet
'<SYSTEM32>\cmd.exe' /c 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
Download Dr.Web for Android
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