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Trojan.Encoder.38969
Added to the Dr.Web virus database:
2024-05-28
Virus description added:
2024-05-30
Technical Information
To ensure autorun and distribution
Creates the following files on removable media
<Drive name for removable media>:\how to restore your files.txt
<Drive name for removable media>:\skypesetup.exe
<Drive name for removable media>:\tcm851ax32.exe
<Drive name for removable media>:\jre-7u75-windows-i586-iftw.exe
<Drive name for removable media>:\chromesetup.exe
<Drive name for removable media>:\calc.exe
<Drive name for removable media>:\winmine.exe
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:\kms\how to restore your files.txt
%HOMEPATH%\documents\my videos\how to restore your files.txt
%HOMEPATH%\documents\my music\how to restore your files.txt
%HOMEPATH%\documents\how to restore your files.txt
%HOMEPATH%\desktop\how to restore your files.txt
%HOMEPATH%\cookies\how to restore your files.txt
%HOMEPATH%\favorites\how to restore your files.txt
%HOMEPATH%\contacts\how to restore your files.txt
%HOMEPATH%\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\recorded tv\how to restore your files.txt
C:\users\public\pictures\sample pictures\how to restore your files.txt
C:\users\public\libraries\how to restore your files.txt
%HOMEPATH%\application data\how to restore your files.txt
C:\users\default\start menu\how to restore your files.txt
%HOMEPATH%\documents\my pictures\how to restore your files.txt
%HOMEPATH%\templates\how to restore your files.txt
%HOMEPATH%\start menu\how to restore your files.txt
%HOMEPATH%\sendto\how to restore your files.txt
%HOMEPATH%\searches\how to restore your files.txt
%HOMEPATH%\saved games\how to restore your files.txt
%HOMEPATH%\recent\how to restore your files.txt
C:\users\public\music\sample music\how to restore your files.txt
%HOMEPATH%\downloads\how to restore your files.txt
%HOMEPATH%\local settings\how to restore your files.txt
%HOMEPATH%\links\how to restore your files.txt
%HOMEPATH%\favorites\windows live\how to restore your files.txt
%HOMEPATH%\favorites\msn websites\how to restore your files.txt
%HOMEPATH%\favorites\microsoft websites\how to restore your files.txt
%HOMEPATH%\favorites\links for united states\how to restore your files.txt
%HOMEPATH%\nethood\how to restore your files.txt
%HOMEPATH%\favorites\links\how to restore your files.txt
C:\users\public\documents\my videos\how to restore your files.txt
C:\users\public\favorites\how to restore your files.txt
C:\users\public\downloads\how to restore your files.txt
C:\recovery\how to restore your files.txt
C:\how to restore your files.txt
<Current directory>\how to restore your files.txt
C:\documents and settings\how to restore your files.txt
C:\perflogs\how to restore your files.txt
C:\perflogs\admin\how to restore your files.txt
D:\how to restore your files.txt
C:\msocache\how to restore your files.txt
C:\users\default\documents\my videos\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
C:\users\default\how to restore your files.txt
C:\users\default\documents\my music\how to restore your files.txt
C:\users\default\documents\my pictures\how to restore your files.txt
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\how to restore your files.txt
%HOMEPATH%\printhood\how to restore your files.txt
C:\users\default\downloads\how to restore your files.txt
C:\users\default\local settings\how to restore your files.txt
C:\users\default\links\how to restore your files.txt
C:\users\default\sendto\how to restore your files.txt
C:\users\public\documents\my pictures\how to restore your files.txt
C:\users\public\documents\my music\how to restore your files.txt
C:\users\public\documents\how to restore your files.txt
C:\users\public\desktop\how to restore your files.txt
C:\users\default\favorites\how to restore your files.txt
C:\users\public\how to restore your files.txt
C:\users\default\application data\how to restore your files.txt
C:\users\default\saved games\how to restore your files.txt
C:\users\default\recent\how to restore your files.txt
C:\users\default\nethood\how to restore your files.txt
C:\users\default\cookies\how to restore your files.txt
C:\users\default\printhood\how to restore your files.txt
C:\users\default\templates\how to restore your files.txt
m:\how to restore your files.txt
Modifies the following files
C:\kms\kms_vl_all_aio.cmd.17244690
%HOMEPATH%\desktop\telegram.lnk.972198aa
%HOMEPATH%\desktop\google chrome.lnk.484f7b09
%HOMEPATH%\contacts\user.contact.b683b41e
C:\users\public\pictures\sample pictures\chrysanthemum.jpg.0a70b81e
C:\users\public\videos\sample videos\wildlife.wmv.a3fa782d
C:\users\public\recorded tv\sample media\win7_scenic-demoshort_raw.wtv.48c6f955
C:\users\public\pictures\sample pictures\tulips.jpg.13a6568d
C:\users\public\pictures\sample pictures\jellyfish.jpg.9a4e8a2e
C:\users\public\pictures\sample pictures\desert.jpg.7a007501
C:\users\public\pictures\sample pictures\penguins.jpg.517e30f0
C:\users\public\desktop\firefox.lnk.e7557efa
C:\users\public\libraries\recordedtv.library-ms.8634fbb8
C:\users\public\music\sample music\sleep away.mp3.216e365c
C:\users\public\music\sample music\maid with the flaxen hair.mp3.a92b9e69
C:\users\public\music\sample music\kalimba.mp3.247cb78e
C:\users\public\desktop\acrobat reader dc.lnk.cfbce9b3
C:\users\public\desktop\mozilla thunderbird.lnk.396c9f00
C:\users\public\desktop\opera.lnk.db1f58a5
C:\users\public\desktop\steam.lnk.6928a034
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000002.regtrans-ms.bcef7ca1
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tmcontainer00000000000000000001.regtrans-ms.d367297d
C:\users\default\ntuser.dat.log1.fac97ab2
C:\users\default\ntuser.dat{016888bd-6c6f-11de-8d1d-001e0bcde3ec}.tm.blf.69a870c5
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\winre.wim.b1a4a367
C:\users\default\ntuser.dat.log2.2bea21c0
C:\recovery\4cc8e8a4-51d2-11ee-b826-9a90d4dcffb5\boot.sdi.e5b06a91
C:\kms\kms_vl_all_aio_debug.log.5620853d
%HOMEPATH%\favorites\links for united states\usa.gov.url.96bd7c6e
%HOMEPATH%\favorites\links\web slice gallery.url.c5f4c19a
Modifies multiple files.
Moves itself
from <Full path to file> to <Full path to file>.a2aeaf34
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)
Recommandations pour le traitement
Windows
macOS
Linux
Android
Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space .
Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android . Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
Débranchez votre appareil et rebranchez-le.
En savoir plus sur Dr.Web pour Android
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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