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Trojan.Encoder.33221

Aggiunto al database dei virus Dr.Web: 2020-11-24

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'WindowsUpdateCheck' = '<Full path to file>'
Creates or modifies the following files
  • %APPDATA%\microsoft\windows\start menu\programs\bkhelper\bldhole.exe
Creates the following files on removable media
  • <Drive name for removable media>:\.c4d1664ef40ce18f8d41
  • <Drive name for removable media>:\lisp_success.doc
  • <Drive name for removable media>:\508softwareandos.doc
  • <Drive name for removable media>:\testcertificate.cer
  • <Drive name for removable media>:\contoso_1.cer
  • <Drive name for removable media>:\testee.cer
  • <Drive name for removable media>:\sdksampleunprivdeveloper.cer
  • <Drive name for removable media>:\sdkfailsafeemulator.cer
  • <Drive name for removable media>:\dashborder_192.bmp
  • <Drive name for removable media>:\dashborder_120.bmp
  • <Drive name for removable media>:\dashborder_96.bmp
  • <Drive name for removable media>:\dial.bmp
  • <Drive name for removable media>:\tileimage.bmp
  • <Drive name for removable media>:\default.bmp
  • <Drive name for removable media>:\toolbar.bmp
  • <Drive name for removable media>:\000814251_video_01.avi
  • <Drive name for removable media>:\correct.avi
  • <Drive name for removable media>:\split.avi
  • <Drive name for removable media>:\hanni_umami_chapter.doc
  • <Drive name for removable media>:\february_catalogue__2015.doc
Malicious functions
Executes the following
  • '%WINDIR%\syswow64\taskkill.exe' /IM "Cobian.exe" /F
  • '%WINDIR%\syswow64\net.exe' stop Apache2.2
  • '%WINDIR%\syswow64\net.exe' stop XenSvc
  • '%WINDIR%\syswow64\net.exe' stop VMAuthdService
  • '%WINDIR%\syswow64\net.exe' stop UFIDAWebService
  • '%WINDIR%\syswow64\net.exe' stop Apache2.4
  • '%WINDIR%\syswow64\net.exe' stop VMUSBArbService
  • '%WINDIR%\syswow64\net.exe' stop xenlite
  • '%WINDIR%\syswow64\net.exe' stop "memcached Server"
  • '%WINDIR%\syswow64\net.exe' stop TeamViewer8
  • '%WINDIR%\syswow64\net.exe' stop Realtek11nSU
  • '%WINDIR%\syswow64\net.exe' stop U8WorkerService2
  • '%WINDIR%\syswow64\net.exe' stop VMwareHostd
  • '%WINDIR%\syswow64\net.exe' stop "igfxCUIService2.0.0.0"
  • '%WINDIR%\syswow64\net.exe' stop HaoZipSvc
  • '%WINDIR%\syswow64\taskkill.exe' /IM ThunderPlatform.exe /F
  • '%WINDIR%\syswow64\taskkill.exe' /IM pg_ctl.exe /F
  • '%WINDIR%\syswow64\taskkill.exe' /IM VBoxSDS.exe /F
  • '%WINDIR%\syswow64\taskkill.exe' /IM BackupExec.exe /F
  • '%WINDIR%\syswow64\net.exe' stop UIODetect
  • '%WINDIR%\syswow64\taskkill.exe' /IM sqlservr.exe /F
  • '%WINDIR%\syswow64\net.exe' stop U8WorkerService1
  • '%WINDIR%\syswow64\net.exe' stop MSComplianceAudit
  • '%WINDIR%\syswow64\net.exe' stop wanxiao-monitor
Modifies file system
Creates the following files
  • %TEMP%\killer.bat
  • %HOMEPATH%\templates\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\videos\how to back your files.txt
  • %HOMEPATH%\videos\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\voip\how to back your files.txt
  • %HOMEPATH%\voip\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\how to back your files.txt
  • %HOMEPATH%\.c4d1664ef40ce18f8d41
  • C:\users\how to back your files.txt
  • D:\system volume information\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\templates\how to back your files.txt
  • C:\users\.c4d1664ef40ce18f8d41
  • D:\$recycle.bin\.c4d1664ef40ce18f8d41
  • C:\msocache\.c4d1664ef40ce18f8d41
  • D:\.c4d1664ef40ce18f8d41
  • C:\.c4d1664ef40ce18f8d41
  • z:\system volume information\.c4d1664ef40ce18f8d41
  • z:\.c4d1664ef40ce18f8d41
  • <Current directory>\ids.txt
  • %ALLUSERSPROFILE%\local\.c4d1664ef40ce18f8d41
  • %TEMP%\vquqpztfutaz.vbs
  • C:\how to back your files.txt
  • %HOMEPATH%\start menu\.c4d1664ef40ce18f8d41
Sets the 'hidden' attribute to the following files
  • %ALLUSERSPROFILE%\local\.c4d1664ef40ce18f8d41
  • z:\.c4d1664ef40ce18f8d41
  • z:\system volume information\.c4d1664ef40ce18f8d41
  • C:\.c4d1664ef40ce18f8d41
  • D:\.c4d1664ef40ce18f8d41
  • C:\msocache\.c4d1664ef40ce18f8d41
  • <Drive name for removable media>:\.c4d1664ef40ce18f8d41
  • D:\$recycle.bin\.c4d1664ef40ce18f8d41
  • C:\users\.c4d1664ef40ce18f8d41
  • D:\system volume information\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\voip\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\videos\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\templates\.c4d1664ef40ce18f8d41
  • %HOMEPATH%\start menu\.c4d1664ef40ce18f8d41
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: ''
Creates and executes the following
  • '%WINDIR%\syswow64\wscript.exe' "%TEMP%\Vquqpztfutaz.vbs"
  • '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\killer.bat" "' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\killer.bat" "
  • '%WINDIR%\syswow64\net1.exe' stop "memcached Server"
  • '%WINDIR%\syswow64\net1.exe' stop TeamViewer8
  • '%WINDIR%\syswow64\net1.exe' stop Realtek11nSU
  • '%WINDIR%\syswow64\sc.exe' delete VGAuthService
  • '%WINDIR%\syswow64\sc.exe' delete MCService
  • '%WINDIR%\syswow64\sc.exe' delete UIODetect
  • '%WINDIR%\syswow64\sc.exe' delete "ZTE USBIP Client"
  • '%WINDIR%\syswow64\cmd.exe' /c @echo off sc config browser sc config browser start=enabled vssadmin delete shadows /all /quiet sc stop vss sc config vss start=disabled sc stop MongoDB sc config MongoDB start=disabl...
  • '%WINDIR%\syswow64\sc.exe' delete RTCCDR
  • '%WINDIR%\syswow64\sc.exe' delete "ZTE FileTranS"
  • '%WINDIR%\syswow64\sc.exe' delete ProjectEventService16
  • '%WINDIR%\syswow64\sc.exe' delete VMTools
  • '%WINDIR%\syswow64\sc.exe' delete XT800Service_Personal
  • '%WINDIR%\syswow64\sc.exe' delete WebAttendServer
  • '%WINDIR%\syswow64\sc.exe' delete "ZTE USBIP Client Guard"
  • '%WINDIR%\syswow64\net1.exe' stop "igfxCUIService2.0.0.0"
  • '%WINDIR%\syswow64\sc.exe' delete RTCDATAMCU
  • '%WINDIR%\syswow64\sc.exe' delete MSSQLServerOLAPService
  • '%WINDIR%\syswow64\sc.exe' delete ImeDictUpdateService
  • '%WINDIR%\syswow64\net1.exe' stop UIODetect
  • '%WINDIR%\syswow64\net1.exe' stop U8WorkerService2
  • '%WINDIR%\syswow64\sc.exe' delete REPLICA
  • '%WINDIR%\syswow64\sc.exe' delete "wanxiao-monitor"
  • '%WINDIR%\syswow64\sc.exe' delete RabbitMQ
  • '%WINDIR%\syswow64\sc.exe' delete VMwareHostd
  • '%WINDIR%\syswow64\net1.exe' stop Apache2.2
  • '%WINDIR%\syswow64\sc.exe' delete AlibabaProtect
  • '%WINDIR%\syswow64\sc.exe' delete ReportServer
  • '%WINDIR%\syswow64\sc.exe' delete SPSearchHostController
  • '%WINDIR%\syswow64\sc.exe' delete "Flash Helper Service"
  • '%WINDIR%\syswow64\sc.exe' delete VMUSBArbService
  • '%WINDIR%\syswow64\net1.exe' stop VMAuthdService
  • '%WINDIR%\syswow64\net1.exe' stop UFIDAWebService
  • '%WINDIR%\syswow64\net1.exe' stop XenSvc
  • '%WINDIR%\syswow64\sc.exe' delete qemu-ga
  • '%WINDIR%\syswow64\sc.exe' delete TeamViewer
  • '%WINDIR%\syswow64\sc.exe' delete SPAdminV4
  • '%WINDIR%\syswow64\sc.exe' delete allpass_redisservice_port21160
  • '%WINDIR%\syswow64\sc.exe' delete VMAuthdService
  • '%WINDIR%\syswow64\sc.exe' delete wwbizsrv
  • '%WINDIR%\syswow64\net1.exe' stop Apache2.4
  • '%WINDIR%\syswow64\net1.exe' stop VMUSBArbService
  • '%WINDIR%\syswow64\net1.exe' stop xenlite
  • '%WINDIR%\syswow64\sc.exe' delete ProjectQueueService16
  • '%WINDIR%\syswow64\sc.exe' delete TCPIDDAService
  • '%WINDIR%\syswow64\net1.exe' stop VMwareHostd
  • '%WINDIR%\syswow64\sc.exe' delete ftusbrdsrv
  • '%WINDIR%\syswow64\sc.exe' delete RTCIMMCU
  • '%WINDIR%\syswow64\net1.exe' stop HaoZipSvc
  • '%WINDIR%\syswow64\cmd.exe' /c "color e & @taskkill /IM ThunderPlatform.exe /F & @taskkill /IM iexplore.exe /F & @taskkill /IM vm-agent.exe /F & @taskkill /IM vm-agent-daemon.exe /F & @taskkill /IM eSightService.exe /F & ...
  • '%WINDIR%\syswow64\sc.exe' delete SQLSERVERAGENT
  • '%WINDIR%\syswow64\sc.exe' delete "DAService_TCP"
  • '%WINDIR%\syswow64\sc.exe' delete MSCRMAsyncService
  • '%WINDIR%\syswow64\sc.exe' delete "UWS LoPriv Services"
  • '%WINDIR%\syswow64\sc.exe' delete OracleOraDb11g_home1ClrAgent
  • '%WINDIR%\syswow64\sc.exe' delete "XT800Service_Personal"
  • '%WINDIR%\syswow64\cmd.exe' /c "color e & @taskkill /IM VBoxSDS.exe /F & @taskkill /IM mysqld.exe /F & @taskkill /IM TeamViewer_Service.exe /F & @taskkill /IM TeamViewer.exe /F & @taskkill /IM CasLicenceServer.exe /F & @t...
  • '%WINDIR%\syswow64\cmd.exe' /c "color e & @taskkill /IM BackupExec.exe /F & @taskkill /IM Att.exe /F & @taskkill /IM mdm.exe /F & @taskkill /IM BackupExecManagementService.exe /F & @taskkill /IM bengine.exe /F & @taskkill...
  • '%WINDIR%\syswow64\cmd.exe' /c "color e & @taskkill /IM pg_ctl.exe /F & @taskkill /IM rcrelay.exe /F & @taskkill /IM SogouImeBroker.exe /F & @taskkill /IM CCenter.exe /F & @taskkill /IM ScanFrm.exe /F & @taskkill /IM d_ma...
  • '%WINDIR%\syswow64\cmd.exe' /c "color e & @taskkill /IM sqlservr.exe /F & @taskkill /IM httpd.exe /F & @taskkill /IM java.exe /F & @taskkill /IM fdhost.exe /F & @taskkill /IM fdlauncher.exe /F & @taskkill /IM reportingser...
  • '%WINDIR%\syswow64\sc.exe' delete OracleOraDb11g_home1TNSListener
  • '%WINDIR%\syswow64\cmd.exe' /c "color a & @net stop UIODetect & @net stop VMwareHostd & @net stop TeamViewer8 & @net stop VMUSBArbService & @net stop VMAuthdService & @net stop wanxiao-monitor & @net stop WebAttendServer ...
  • '%WINDIR%\syswow64\cmd.exe' /c "color a & @net stop HaoZipSvc & @net stop "igfxCUIService2.0.0.0" & @net stop Realtek11nSU & @net stop xenlite & @net stop XenSvc & @net stop Apache2.2 & @net stop "Synology Drive VSS Servi...
  • '%WINDIR%\syswow64\cmd.exe' /c "color a & @net stop U8WorkerService1 & @net stop U8WorkerService2 & @net stop "memcached Server" & @net stop Apache2.4 & @net stop UFIDAWebService & @net stop MSComplianceAudit & @net stop ...
  • '%WINDIR%\syswow64\cmd.exe' /c "@color b & sc delete MSCRMAsyncService & @sc delete REPLICA & @sc delete RTCATS & @sc delete RTCAVMCU & @sc delete RtcQms & @sc delete RTCMEETINGMCU & @sc delete RTCIMMCU & @sc delete RTCDA...
  • '%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\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\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\cmd.exe' /c "color b & @sc delete "XT800Service_Personal" & @sc delete SQLSERVERAGENT & @sc delete SQLWriter & @sc delete SQLBrowser & @sc delete MSSQLFDLauncher & @sc delete MSSQLSERVER & @sc delete Qc...
  • '%WINDIR%\syswow64\cmd.exe' /c "color b & @taskkill /IM "Cobian.exe" /F & @taskkill /IM "SAP Business One.exe" /F & @net stop "SQLBackupAndFTP Client Service" & @taskkill /IM "SqlBak.Service.exe" /F & @net stop cbVSCServi...
  • '%WINDIR%\syswow64\sc.exe' delete SPTimerV4
  • '%WINDIR%\syswow64\sc.exe' delete MSDTC
  • '%WINDIR%\syswow64\sc.exe' delete ftnlsv3
  • '%WINDIR%\syswow64\sc.exe' delete SQLWriter
  • '%WINDIR%\syswow64\net1.exe' stop U8WorkerService1
  • '%WINDIR%\syswow64\sc.exe' delete QcSoftService
  • '%WINDIR%\syswow64\sc.exe' delete JhTask
  • '%WINDIR%\syswow64\sc.exe' delete K3MobileService
  • '%WINDIR%\syswow64\sc.exe' delete ftusbrdwks
  • '%WINDIR%\syswow64\sc.exe' delete RTCMEETINGMCU
  • '%WINDIR%\syswow64\sc.exe' delete MSSQLSERVER
  • '%WINDIR%\syswow64\sc.exe' delete UI0Detect
  • '%WINDIR%\syswow64\sc.exe' delete RtcQms
  • '%WINDIR%\syswow64\sc.exe' delete "UtilDev Web Server Pro"
  • '%WINDIR%\syswow64\sc.exe' delete aspnet_state @sc delete Redis
  • '%WINDIR%\syswow64\sc.exe' delete MSSQLFDLauncher
  • '%WINDIR%\syswow64\sc.exe' delete EnergyDataService
  • '%WINDIR%\syswow64\sc.exe' delete RTCAVMCU
  • '%WINDIR%\syswow64\sc.exe' delete FxService
  • '%WINDIR%\syswow64\sc.exe' delete OracleServiceORCL
  • '%WINDIR%\syswow64\sc.exe' delete SQLBrowser
  • '%WINDIR%\syswow64\sc.exe' delete eCardMPService
  • '%WINDIR%\syswow64\sc.exe' delete RTCATS
  • '%WINDIR%\syswow64\sc.exe' delete ftnlses3
  • '%WINDIR%\syswow64\sc.exe' delete OracleVssWriterORCL
  • '%WINDIR%\syswow64\sc.exe' delete "eCard-TTransServer"
  • '%WINDIR%\syswow64\sc.exe' delete "Kiwi Syslog Server"

Curing recommendations

  1. 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.
  2. 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.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  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);
    • 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