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Trojan.Encoder.37291
Added to the Dr.Web virus database:
2023-02-23
Virus description added:
2023-02-25
Technical Information
To ensure autorun and distribution
Creates the following files on removable media
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\dashborder_192.bmp
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\split.avi
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\weeklysheet1215.doc
<Drive name for removable media>:\file_p_00000000_1371597592.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\fi51.doc
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Executes the following
'%WINDIR%\syswow64\taskkill.exe' /F /IM Veeam.Backup.Agent.ConfigurationService.exe
'%WINDIR%\syswow64\net.exe' stop MSSQL$
'%WINDIR%\syswow64\net.exe' stop SQLSERVERAGENT
'%WINDIR%\syswow64\net.exe' stop "SQLSERVERAGENT"
'%WINDIR%\syswow64\net.exe' stop "SQLBrowser"
'%WINDIR%\syswow64\net.exe' stop SQLBrowser
'%WINDIR%\syswow64\net.exe' stop "SQLTELEMETRY"
'%WINDIR%\syswow64\net.exe' stop "MsDtsServer130"
'%WINDIR%\syswow64\net.exe' stop "SSISTELEMETRY130"
'%WINDIR%\syswow64\net.exe' stop "MSOLAP$SHOPCONTROL9"
'%WINDIR%\syswow64\net.exe' stop "SQLWrite"
'%WINDIR%\syswow64\net.exe' stop vss
'%WINDIR%\syswow64\net.exe' stop "MSSQL$SHOPCONTROL9"
'%WINDIR%\syswow64\taskkill.exe' /F /IM U8WorkerService.exe
'%WINDIR%\syswow64\net.exe' stop "MSSQLFDLauncher$SHOPCONTROL9"
'%WINDIR%\syswow64\taskkill.exe' -f -im sqlbrowser.exe
Injects code into
the following system processes:
%WINDIR%\microsoft.net\framework\v4.0.30319\aspnet_compiler.exe
Terminates or attempts to terminate
the following system processes:
%WINDIR%\microsoft.net\framework\v4.0.30319\aspnet_compiler.exe
Modifies file system
Creates the following files
%TEMP%\ktwtqezqenfrcoqncff.bat
<Current directory>\targetinfo.txt
Modifies the following files
<Drive name for removable media>:\correct.avi
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\split.avi
<Drive name for removable media>:\dashborder_192.bmp
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\weeklysheet1215.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\file_p_00000000_1371597592.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\adhd_and_obesity.docx
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Network activity
Connects to
'ap#.#pify.org':80
'19#.#06.191.141':80
'22#.0.0.22':445
TCP
UDP
Miscellaneous
Searches for the following windows
ClassName: '' WindowName: ''
Creates and executes the following
'%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {current} bootstatuspolicy ignoreallfailures' (with hidden window)
'<SYSTEM32>\vssadmin.exe' delete shadows /all /quiet' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {current} recoveryenabled no' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C taskkill -f -im sqlbrowser.exe&&taskkill -f -im sqlwriter.exe&&taskkill -f -im sqlservr.exe&&taskkill -f -im msmdsrv.exe&&taskkill -f -im MsDtsSrvr.exe&&taskkill -f -im sqlceip.exe&&taskkill...' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\Ktwtqezqenfrcoqncff.bat" "
'%WINDIR%\syswow64\sc.exe' config SQLSERVERAGENT start=disabled
'%WINDIR%\syswow64\sc.exe' config "SQLAgent" start= disabled
'%WINDIR%\syswow64\net1.exe' stop "SQLBrowser"
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & @sc delete "XT800Service_Personal" & @sc delete SQLSERVERAGENT & @sc delete SQLWriter & @sc delete SQLBrowser & @sc delete MSSQLFDLauncher & @sc delete MSSQLSERVER & @sc delet...
'%WINDIR%\syswow64\net1.exe' stop SQLBrowser
'%WINDIR%\syswow64\net1.exe' stop "SQLTELEMETRY"
'%WINDIR%\syswow64\cmd.exe' /c "color b & @sc delete "DAService_TCP" & @sc delete "eCard-TTransServer" & @sc delete eCardMPService & @sc delete EnergyDataService & @sc delete UI0Detect & @sc delete K3MobileService & @sc d...
'%WINDIR%\syswow64\net1.exe' stop "SQLSERVERAGENT"
'%WINDIR%\syswow64\cmd.exe' /C taskkill -f -im sqlbrowser.exe&&taskkill -f -im sqlwriter.exe&&taskkill -f -im sqlservr.exe&&taskkill -f -im msmdsrv.exe&&taskkill -f -im MsDtsSrvr.exe&&taskkill -f -im sqlceip.exe&&taskkill...
'%WINDIR%\syswow64\sc.exe' config "MSSQLServerADHelper100" start= disabled
'%WINDIR%\syswow64\net1.exe' stop "SSISTELEMETRY130"
'%WINDIR%\syswow64\net1.exe' stop "MSOLAP$SHOPCONTROL9"
'%WINDIR%\syswow64\cmd.exe' /c "color b & @sc delete OracleOraDb11g_home1ClrAgent & @sc delete OracleOraDb11g_home1TNSListener & @sc delete OracleVssWriterORCL & @sc delete OracleServiceORCL & @sc delete aspnet_state @sc ...
'%WINDIR%\syswow64\sc.exe' config "MSSQLServerOLAPService" start= disabled
'%WINDIR%\syswow64\net1.exe' stop "SQLWrite"
'%WINDIR%\syswow64\cmd.exe' /c "color b & @sc delete "UWS LoPriv Services" & @sc delete ftnlsv3 & @sc delete ftnlses3 & @sc delete FxService & @sc delete "UtilDev Web Server Pro" & @sc delete ftusbrdwks & @sc delete ftusb...
'%WINDIR%\syswow64\net1.exe' stop vss
'%WINDIR%\syswow64\net1.exe' stop "MsDtsServer130"
'%WINDIR%\syswow64\sc.exe' config SQLBrowser start=disabled
'%WINDIR%\syswow64\sc.exe' config "MSSQL" start= disabled
'%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {current} recoveryenabled no
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & @taskkill /IM DDSoftPwsTomcat9.exe /F & @taskkill /IM U8SmartClient.exe /F & @taskkill /IM U8SmartClientMonitor.exe /F & @taskkill /IM tomcat9.exe /F & @taskkill /IM SqlManage...
'%WINDIR%\syswow64\cmd.exe' /c "color b & sc config MSSQLSERVER start=disabled & sc config "SQL Server (MSSQLSERVER)" start=disabled & net stop MSSQL$ & sc config MSSQL$ start=disabled & net stop SQLSERVERAGENT & sc confi...
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & taskkill /F /IM Veeam.Backup.Agent.ConfigurationService.exe & taskkill /F /IM Veeam.Backup.BrokerService.exe & taskkill /F /IM Veeam.Backup.CatalogDataService.exe & taskkill /...
'%WINDIR%\syswow64\ipconfig.exe'
'%WINDIR%\syswow64\sc.exe' config MSSQLSERVER start=disabled
'%WINDIR%\syswow64\sc.exe' config "SQL Server (MSSQLSERVER)" start=disabled
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & net stop "SQLSERVERAGENT" & net stop "SQLBrowser" & net stop "SQLTELEMETRY" & net stop "MsDtsServer130" & net stop "SSISTELEMETRY130" & net stop "SQLWrite" & net stop "MSSQL$V...
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & sc config "SQLWriter" start= disabled & sc config "MSSQL$VEEAMSQL2012" start= disabled & sc config "SQLAgent$VEEAMSQL2012" start= disabled & sc config "MSSQL" start= disabled ...
'%WINDIR%\syswow64\net1.exe' stop MSSQL$
'%WINDIR%\syswow64\whoami.exe'
'%WINDIR%\syswow64\cmd.exe' /c "color b & taskkill /F /IM U8WorkerService.exe & taskkill /F /IM UFIDA.U8.ECE.UTU.Services.exe & taskkill /F /IM UFIDA.U8.UAP.ReportService.exe & taskkill /F /IM U8AllAuthServer.exe & taskki...
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & net stop "MSOLAP$SHOPCONTROL9" & net stop "MSSQL$SHOPCONTROL9" & net stop "MSSQLFDLauncher$SHOPCONTROL9" & net stop "ReportServer$SHOPCONTROL9" & net stop "SQLAgent$SHOPCONTRO...
'%WINDIR%\microsoft.net\framework\v4.0.30319\aspnet_compiler.exe'
'%WINDIR%\syswow64\net1.exe' stop SQLSERVERAGENT
'%WINDIR%\syswow64\sc.exe' config "SQLWriter" start= disabled
'%WINDIR%\syswow64\sc.exe' config "MSSQL$VEEAMSQL2012" start= disabled
'%WINDIR%\syswow64\cmd.exe' /c "color b & a & @taskkill /IM Tomcat7w.exe /F & @taskkill /IM "UFSoft.U8.OC.QuartzScheduler.exe" /F & @taskkill /IM UFSoft.U8.OC.QuartzScheduler.exe /F & @taskkill /IM Launchpad.exe /F & @tas...
'%WINDIR%\syswow64\sc.exe' config "SQLAgent$VEEAMSQL2012" start= disabled
'%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
'%WINDIR%\syswow64\sc.exe' config MSSQL$ start=disabled
'%WINDIR%\syswow64\net1.exe' stop "MSSQL$SHOPCONTROL9"
'%WINDIR%\syswow64\sc.exe' config vss start=disabled
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
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Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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