Trojan.Encoder.34149

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'WindowsUpdateCheck' = '%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.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>:\applicantform_en.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\sdksampleunprivdeveloper.cer
<Drive name for removable media>:\testee.cer
<Drive name for removable media>:\testcertificate.cer
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\pmd.cer
<Drive name for removable media>:\contoso_1.cer
<Drive name for removable media>:\contosoroot.cer
<Drive name for removable media>:\dashborder_144.bmp
<Drive name for removable media>:\dashborder_96.bmp
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\toolbar.bmp
<Drive name for removable media>:\dashborder_192.bmp
<Drive name for removable media>:\dial.bmp
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\correct.avi
<Drive name for removable media>:\000814251_video_01.avi
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\508softwareandos.doc

Malicious functions

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Windows Defender

Executes the following

'%WINDIR%\syswow64\taskkill.exe' /IM VBoxSDS.exe /F
'%WINDIR%\syswow64\net.exe' stop MSExchangeADTopology
'%WINDIR%\syswow64\net.exe' stop "Synology Drive VSS Service x64"
'%WINDIR%\syswow64\net.exe' stop mysqltransport
'%WINDIR%\syswow64\net.exe' stop MSExchangeAntispamUpdate
'%WINDIR%\syswow64\net.exe' stop DellDRLogSvc
'%WINDIR%\syswow64\net.exe' stop VMnetDHCP
'%WINDIR%\syswow64\net.exe' stop MSExchangeCompliance
'%WINDIR%\syswow64\net.exe' stop FirebirdGuardianDeafaultInstance
'%WINDIR%\syswow64\net.exe' stop U8WorkerService2
'%WINDIR%\syswow64\net.exe' stop "VMware NAT Service"
'%WINDIR%\syswow64\net.exe' stop JWEM3DBAUTORun
'%WINDIR%\syswow64\net.exe' stop Tomcat8
'%WINDIR%\syswow64\net.exe' stop JWRinfoClientService
'%WINDIR%\syswow64\net.exe' stop MSExchangeDelivery
'%WINDIR%\syswow64\net.exe' stop TeamViewer
'%WINDIR%\syswow64\net.exe' stop JWService
'%WINDIR%\syswow64\net.exe' stop MSExchangeDiagnostics
'%WINDIR%\syswow64\net.exe' stop QPCore
'%WINDIR%\syswow64\net.exe' stop Apache2.2
'%WINDIR%\syswow64\net.exe' stop WebAttendServer
'%WINDIR%\syswow64\net.exe' stop MSComplianceAudit
'%WINDIR%\syswow64\net.exe' stop wanxiao-monitor
'%WINDIR%\syswow64\net.exe' stop XenSvc
'%WINDIR%\syswow64\taskkill.exe' /IM ThunderPlatform.exe /F
'%WINDIR%\syswow64\taskkill.exe' /IM pg_ctl.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 HaoZipSvc
'%WINDIR%\syswow64\taskkill.exe' /IM BackupExec.exe /F
'%WINDIR%\syswow64\taskkill.exe' /IM ReportingServicesService.exe /F
'%WINDIR%\syswow64\net.exe' stop Service2
'%WINDIR%\syswow64\net.exe' stop MSExchangeDagMgmt
'%WINDIR%\syswow64\net.exe' stop VMwareHostd
'%WINDIR%\syswow64\net.exe' stop TeamViewer8
'%WINDIR%\syswow64\net.exe' stop "memcached Server"
'%WINDIR%\syswow64\net.exe' stop Realtek11nSU
'%WINDIR%\syswow64\net.exe' stop VMUSBArbService
'%WINDIR%\syswow64\net.exe' stop Apache2.4
'%WINDIR%\syswow64\net.exe' stop xenlite
'%WINDIR%\syswow64\net.exe' stop VMAuthdService
'%WINDIR%\syswow64\net.exe' stop UFIDAWebService
'%WINDIR%\syswow64\taskkill.exe' /IM DDSoftPwsTomcat9.exe /F
'%WINDIR%\syswow64\net.exe' stop "igfxCUIService2.0.0.0"
'%WINDIR%\syswow64\net.exe' stop MSExchangeEdgeSync

Injects code into

the following system processes:

%WINDIR%\microsoft.net\framework\v4.0.30319\mscorsvw.exe

Modifies file system

Creates the following files

C:\users\public\documents\killer.bat
%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
C:\users\.c4d1664ef40ce18f8d41
C:\how to back your files.txt
C:\$recycle.bin\.c4d1664ef40ce18f8d41
D:\$recycle.bin\.c4d1664ef40ce18f8d41
C:\.c4d1664ef40ce18f8d41
D:\.c4d1664ef40ce18f8d41
z:\system volume information\.c4d1664ef40ce18f8d41
z:\.c4d1664ef40ce18f8d41
%WINDIR%\microsoft.net\framework\v4.0.30319\ids.txt
%ALLUSERSPROFILE%\local\.c4d1664ef40ce18f8d41
%HOMEPATH%\videos\how to back your files.txt
%HOMEPATH%\templates\.c4d1664ef40ce18f8d41

Sets the 'hidden' attribute to the following files

%ALLUSERSPROFILE%\local\.c4d1664ef40ce18f8d41
z:\.c4d1664ef40ce18f8d41
z:\system volume information\.c4d1664ef40ce18f8d41
D:\.c4d1664ef40ce18f8d41
C:\.c4d1664ef40ce18f8d41
D:\$recycle.bin\.c4d1664ef40ce18f8d41
C:\$recycle.bin\.c4d1664ef40ce18f8d41
<Drive name for removable media>:\.c4d1664ef40ce18f8d41
D:\system volume information\.c4d1664ef40ce18f8d41
C:\users\.c4d1664ef40ce18f8d41
%HOMEPATH%\.c4d1664ef40ce18f8d41
%HOMEPATH%\voip\.c4d1664ef40ce18f8d41
%HOMEPATH%\videos\.c4d1664ef40ce18f8d41
%HOMEPATH%\templates\.c4d1664ef40ce18f8d41

Modifies the following files

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\cmd.exe' /c, "C:\Users\Public\Documents\killer.bat"' (with hidden window)

Executes the following

'%WINDIR%\syswow64\cmd.exe' /c, "C:\Users\Public\Documents\killer.bat"
'%WINDIR%\syswow64\sc.exe' delete wwbizsrv
'%WINDIR%\syswow64\sc.exe' delete TeamViewer
'%WINDIR%\syswow64\net1.exe' stop MSExchangeAntispamUpdate
'%WINDIR%\syswow64\net1.exe' stop DellDRLogSvc
'%WINDIR%\syswow64\sc.exe' delete allpass_redisservice_port21160
'%WINDIR%\syswow64\sc.exe' delete SPAdminV4
'%WINDIR%\syswow64\sc.exe' delete qemu-ga
'%WINDIR%\syswow64\sc.exe' delete RabbitMQ
'%WINDIR%\syswow64\net1.exe' stop VMnetDHCP
'%WINDIR%\syswow64\sc.exe' delete ReportServer
'%WINDIR%\syswow64\sc.exe' delete "Flash Helper Service"
'%WINDIR%\syswow64\sc.exe' delete SPSearchHostController
'%WINDIR%\syswow64\sc.exe' delete VMwareHostd
'%WINDIR%\syswow64\sc.exe' delete AlibabaProtect
'%WINDIR%\syswow64\net1.exe' stop mysqltransport
'%WINDIR%\syswow64\sc.exe' delete VMUSBArbService
'%WINDIR%\syswow64\sc.exe' delete ProjectQueueService16
'%WINDIR%\syswow64\sc.exe' delete "wanxiao-monitor"
'%WINDIR%\syswow64\net1.exe' stop Apache2.2
'%WINDIR%\syswow64\sc.exe' delete RTCCDR
'%WINDIR%\syswow64\sc.exe' delete XT800Service_Personal
'%WINDIR%\microsoft.net\framework\v4.0.30319\mscorsvw.exe'
'%WINDIR%\syswow64\sc.exe' delete "ZTE USBIP Client"
'%WINDIR%\syswow64\sc.exe' delete VGAuthService
'%WINDIR%\syswow64\net1.exe' stop WebAttendServer
'%WINDIR%\syswow64\sc.exe' delete MSDTC
'%WINDIR%\syswow64\sc.exe' delete ProjectEventService16
'%WINDIR%\syswow64\sc.exe' delete MCService
'%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\net1.exe' stop MSExchangeADTopology
'%WINDIR%\syswow64\net1.exe' stop "Synology Drive VSS Service x64"
'%WINDIR%\syswow64\sc.exe' delete "ZTE FileTranS"
'%WINDIR%\syswow64\sc.exe' delete VMAuthdService
'%WINDIR%\syswow64\net1.exe' stop MSExchangeCompliance
'%WINDIR%\syswow64\net1.exe' stop FirebirdGuardianDeafaultInstance
'%WINDIR%\syswow64\net1.exe' stop "VMware NAT Service"
'%WINDIR%\syswow64\net1.exe' stop JWService
'%WINDIR%\syswow64\sc.exe' delete ProjectCalcService16
'%WINDIR%\syswow64\sc.exe' delete SSSyncService
'%WINDIR%\syswow64\sc.exe' delete OracleJobSchedulerORCL
'%WINDIR%\syswow64\sc.exe' delete eSightService
'%WINDIR%\syswow64\net1.exe' stop MSExchangeDelivery
'%WINDIR%\syswow64\net1.exe' stop TeamViewer
'%WINDIR%\syswow64\net1.exe' stop MSExchangeDiagnostics
'%WINDIR%\syswow64\sc.exe' delete IpOverUsbSvc
'%WINDIR%\syswow64\net1.exe' stop QPCore
'%WINDIR%\syswow64\sc.exe' delete apachezt
'%WINDIR%\syswow64\net1.exe' stop Service2
'%WINDIR%\syswow64\sc.exe' delete AppFabricCachingService
'%WINDIR%\syswow64\sc.exe' delete c2wts
'%WINDIR%\syswow64\sc.exe' delete TPlusStdAppService1300
'%WINDIR%\syswow64\sc.exe' delete OpenSSHd
'%WINDIR%\syswow64\sc.exe' delete MMRHookService
'%WINDIR%\syswow64\sc.exe' delete SSMonitorService
'%WINDIR%\syswow64\sc.exe' delete SPTimerV4
'%WINDIR%\syswow64\sc.exe' delete "vm-agent"
'%WINDIR%\syswow64\sc.exe' delete ZTEVdservice
'%WINDIR%\syswow64\sc.exe' delete "AHS SERVICE"
'%WINDIR%\syswow64\net1.exe' stop JWEM3DBAUTORun
'%WINDIR%\syswow64\sc.exe' delete "UWS HiPriv Services"
'%WINDIR%\syswow64\sc.exe' delete "Kiwi Syslog Server"
'%WINDIR%\syswow64\net1.exe' stop MSExchangeDagMgmt
'%WINDIR%\syswow64\sc.exe' delete VmAgentDaemon
'%WINDIR%\syswow64\sc.exe' delete "Sense Shield Service"
'%WINDIR%\syswow64\sc.exe' delete kbasesrv
'%WINDIR%\syswow64\net1.exe' stop Tomcat8
'%WINDIR%\syswow64\net1.exe' stop JWRinfoClientService
'%WINDIR%\syswow64\sc.exe' delete OSearch16
'%WINDIR%\syswow64\sc.exe' delete SPTraceV4
'%WINDIR%\syswow64\net1.exe' stop MSComplianceAudit
'%WINDIR%\syswow64\sc.exe' delete MSSQL$SQL2008
'%WINDIR%\syswow64\net1.exe' stop wanxiao-monitor
'%WINDIR%\syswow64\sc.exe' delete VMTools
'%WINDIR%\syswow64\sc.exe' delete MSCRMAsyncService
'%WINDIR%\syswow64\net1.exe' stop UIODetect
'%WINDIR%\syswow64\net1.exe' stop U8WorkerService1
'%WINDIR%\syswow64\net1.exe' stop HaoZipSvc
'%WINDIR%\syswow64\sc.exe' delete "UWS LoPriv Services"
'%WINDIR%\syswow64\sc.exe' delete SQLSERVERAGENT
'%WINDIR%\syswow64\sc.exe' delete OracleOraDb11g_home1TNSListener
'%WINDIR%\syswow64\net1.exe' stop VMwareHostd
'%WINDIR%\syswow64\sc.exe' delete REPLICA
'%WINDIR%\syswow64\sc.exe' delete ftnlsv3
'%WINDIR%\syswow64\sc.exe' delete SQLWriter
'%WINDIR%\syswow64\sc.exe' delete eCardMPService
'%WINDIR%\syswow64\sc.exe' delete OracleVssWriterORCL
'%WINDIR%\syswow64\sc.exe' delete RTCATS
'%WINDIR%\syswow64\sc.exe' delete OracleOraDb11g_home1ClrAgent
'%WINDIR%\syswow64\sc.exe' delete "eCard-TTransServer"
'%WINDIR%\syswow64\sc.exe' delete "DAService_TCP"
'%WINDIR%\syswow64\cmd.exe' /c "color b & @taskkill /IM ReportingServicesService.exe /F & @sc delete "SQL Server Reporting Services" & @sc delete MSSQLFDLauncher & @taskkill /IM U8CEServer.exe /F & @taskkill /IM ServerNT....
'%WINDIR%\syswow64\cmd.exe' /c "color b & @taskkill /IM DDSoftPwsTomcat9.exe /F & @taskkill /IM U8SmartClient.exe /F & @taskkill /IM U8SmartClientMonitor.exe /F & @taskkill /IM tomcat9.exe /F & @taskkill /IM SqlManagement...
'%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 & @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 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 "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 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 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 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 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 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 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\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\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 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\sc.exe' delete "XT800Service_Personal"
'%WINDIR%\syswow64\net1.exe' stop U8WorkerService2
'%WINDIR%\syswow64\net1.exe' stop "igfxCUIService2.0.0.0"
'%WINDIR%\syswow64\sc.exe' delete ftnlses3
'%WINDIR%\syswow64\sc.exe' delete QcSoftService
'%WINDIR%\syswow64\sc.exe' delete TCPIDDAService
'%WINDIR%\syswow64\sc.exe' delete RTCIMMCU
'%WINDIR%\syswow64\sc.exe' delete JhTask
'%WINDIR%\syswow64\net1.exe' stop VMAuthdService
'%WINDIR%\syswow64\sc.exe' delete RTCMEETINGMCU
'%WINDIR%\syswow64\sc.exe' delete ftusbrdwks
'%WINDIR%\syswow64\net1.exe' stop UFIDAWebService
'%WINDIR%\syswow64\sc.exe' delete MSSQLServerOLAPService
'%WINDIR%\syswow64\sc.exe' delete WebAttendServer
'%WINDIR%\syswow64\sc.exe' delete RTCDATAMCU
'%WINDIR%\syswow64\sc.exe' delete ImeDictUpdateService
'%WINDIR%\syswow64\sc.exe' delete "ZTE USBIP Client Guard"
'%WINDIR%\syswow64\net1.exe' stop XenSvc
'%WINDIR%\syswow64\sc.exe' delete ftusbrdsrv
'%WINDIR%\syswow64\net1.exe' stop xenlite
'%WINDIR%\syswow64\net1.exe' stop Apache2.4
'%WINDIR%\syswow64\net1.exe' stop VMUSBArbService
'%WINDIR%\syswow64\sc.exe' delete EnergyDataService
'%WINDIR%\syswow64\sc.exe' delete OracleServiceORCL
'%WINDIR%\syswow64\sc.exe' delete RTCAVMCU
'%WINDIR%\syswow64\net1.exe' stop TeamViewer8
'%WINDIR%\syswow64\net1.exe' stop "memcached Server"
'%WINDIR%\syswow64\net1.exe' stop Realtek11nSU
'%WINDIR%\syswow64\sc.exe' delete SQLBrowser
'%WINDIR%\syswow64\sc.exe' delete FxService
'%WINDIR%\syswow64\sc.exe' delete UI0Detect
'%WINDIR%\syswow64\sc.exe' delete aspnet_state @sc delete Redis
'%WINDIR%\syswow64\sc.exe' delete RtcQms
'%WINDIR%\syswow64\sc.exe' delete "UtilDev Web Server Pro"
'%WINDIR%\syswow64\sc.exe' delete MSSQLSERVER
'%WINDIR%\syswow64\sc.exe' delete K3MobileService
'%WINDIR%\syswow64\sc.exe' delete MSSQLFDLauncher
'%WINDIR%\syswow64\sc.exe' delete UIODetect
'%WINDIR%\syswow64\sc.exe' delete MsDtsServer100

TECHNOLOGIES

TERMINOLOGIE

COURS ET EDU

MYTHES

Technical Information

Recommandations pour le traitement

Free trial