Ransom.MSIL.THANOS.FAIT
Ransom:MSIL/Thanos.DC!MTB (MICROSOFT)
Windows
Threat Type:
Ransomware
Destructiveness:
No
Encrypted:
In the wild::
Yes
OVERVIEW
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Se ejecuta y, a continuación, se elimina.
TECHNICAL DETAILS
Detalles de entrada
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Instalación
Agrega los procesos siguientes:
- taskkill" /F taskkill.exe /IMRaccineSettings.exe
- reg" delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Raccine Tray" /F
- reg" delete HKCU\Software\Raccine /F
- schtasks" /DELETE /TN "Raccine Rules Updater" /F
- cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
- sc.exe config Dnscache start= auto
- sc.exe config FDResPub start= auto
- sc.exe config SSDPSRV start= auto
- sc.exe config upnphost start= auto
- sc.exe config SQLTELEMETRY start= disabled
- sc.exe config SQLTELEMETRY$ECWDB2 start= disabled
- sc.exe config SQLWriter start= disabled
- sc.exe config SstpSvc start= disabled
- taskkill.exe /IMmspub.exe /F
- taskkill.exe /IMmydesktopqos.exe /F
- taskkill.exe /IMmydesktopservice.exe /F
- taskkill.exe /IMmysqld.exe /F
- taskkill.exe /IMsqbcoreservice.exe /F
- taskkill.exe /IMfirefoxconfig.exe /F
- taskkill.exe /IMagntsvc.exe /F
- taskkill.exe /IMthebat.exe /F
- taskkill.exe /IMsteam.exe /F
- taskkill.exe /IMencsvc.exe /F
- taskkill.exe /IMexcel.exe /F
- taskkill.exe /IMCNTAoSMgr.exe /F
- taskkill.exe /IMsqlwriter.exe /F
- taskkill.exe /IMtbirdconfig.exe /F
- taskkill.exe /IMdbeng50.exe /F
- taskkill.exe /IMthebat64.exe /F
- taskkill.exe /IMocomm.exe /F
- taskkill.exe /IMinfopath.exe /F
- taskkill.exe /IMmbamtray.exe /F
- taskkill.exe /IMzoolz.exe /F
- taskkill.exe /IMthunderbird.exe /F
- taskkill.exe /IMdbsnmp.exe /F
- taskkill.exe /IMxfssvccon.exe /F
- taskkill.exe /IMmspub.exe /F
- taskkill.exe /IMNtrtscan.exe /F
- taskkill.exe /IMisqlplussvc.exe /F
- taskkill.exe /IMonenote.exe /F
- taskkill.exe /IMPccNTMon.exe /F
- taskkill.exe /IMmsaccess.exe /F
- taskkill.exe /IMoutlook.exe /F
- taskkill.exe /IMtmlisten.exe /F
- taskkill.exe /IMmsftesql.exe /F
- taskkill.exe /IMpowerpnt.exe /F
- taskkill.exe /IMmydesktopqos.exe /F
- taskkill.exe /IMvisio.exe /F
- taskkill.exe /IMmydesktopservice.exe /F
- taskkill.exe /IMwinword.exe /F
- taskkill.exe /IMmysqld-nt.exe /F
- taskkill.exe /IMwordpad.exe /F
- taskkill.exe /IMmysqld-opt.exe /F
- taskkill.exe /IMocautoupds.exe /F
- taskkill.exe /IMocssd.exe /F
- taskkill.exe /IMoracle.exe /F
- taskkill.exe /IMsqlagent.exe /F
- taskkill.exe /IMsqlbrowser.exe /F
- taskkill.exe /IMsqlservr.exe /F
- taskkill.exe /IMsynctime.exe /F
- powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); }
- %System%\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "{Malware Path}\{Malware File Name}.exe
(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).
)Se ejecuta y, a continuación, se elimina.
Agrega las siguientes exclusiones mutuas para garantizar que solo se ejecuta una de sus copias en todo momento:
- Global\ba21af1d-a1b4-4f98-bda4-bf441d085299
Técnica de inicio automático
Este malware infiltra el/los archivo(s) siguiente(s) en la carpeta de inicio del usuario de Windows para permitir su ejecución automática cada vez que se inicia el sistema:
- %Programs%\Startup\{Malware File Name}.exe
- %Programs%\Startup\mystartup.lnk
Otras modificaciones del sistema
Modifica las siguientes entradas de registro:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeCaption = Information...
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeText = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
legalnoticecaption = Information...
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
legalnoticetext = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\FileSystem
LongPathsEnabled = 1
Finalización del proceso
Finaliza los procesos siguientes si detecta que se ejecutan en la memoria del sistema afectado:
- http analyzer stand-alone
- fiddler
- effetech http sniffer
- firesheep
- IEWatch Professional
- dumpcap
- wireshark
- wireshark portable
- sysinternals tcpview
- NetworkMiner
- NetworkTrafficView
- HTTPNetworkSniffer
- tcpdump
- intercepter
- Intercepter-NG
- ollydbg
- x64dbg
- x32dbg
- dnspy
- dnspy-x86
- de4dot
- ilspy
- dotpeek
- dotpeek64
- ida64
- RDG Packer Detector
- CFF Explorer
- PEiD
- protection_id
- LordPE
- pe-sieve
- MegaDumper
- UnConfuserEx
- Universal_Fixer
- NoFuserEx
- NetworkMiner
- NetworkTrafficView
- HTTPNetworkSniffer
- tcpdump
- intercepter
- Intercepter-NG
Otros detalles
Hace lo siguiente:
- It encrypts all available drives (except for CDROMs).
- It empties the recycle bin.
- It terminates processes with private memory size larger than 209715200 bytes and its process name does not match the following strings:
- {Malware Name}
- chrome
- opera
- msedge
- iexplore
- firefox
- explorer
- wininit
- winlogon
- SearchApp
- SearchIndexer
- SearchUI
- It deletes the following subkeys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options:
- vssadmin.exe
- wmic.exe
- wbadmin.exe
- bcdedit.exe
- powershell.exe
- diskshadow.exe
- net.exe
- It scans specific database related file extensions:
- db
- dbf
- accdb
- dbx
- mdb
- mdf
- epf
- ndf
- ldf
- 1cd
- sdf
- nsf
- fp7
- cat
- log
- It checks if the following modules are loaded in memory:
- SbieDll.dll
- It checks the machine's manufacturer and model information if it has the following strings:
- VIRTUAL
- vmware
- VirtualBox
- It enumerates the following process:
- lsass.exe
- svchst.exe
- crss.exe
- chrome32.exe
- firefox.exe
- calc.exe
- mysqld.exe
- dllhst.exe
- opera32.exe
- memop.exe
- spoolcv.exe
- ctfmon.exe
- SkypeApp.exe
- It terminates the following services:
- avpsus
- McAfeeDLPAgentService
- mfewc
- BMR Boot Service
- NetBackup BMR MTFTP Service
- DefWatch
- ccEvtMgr
- ccSetMgr
- SavRoam
- RTVscan
- QBFCService
- QBIDPService
- Intuit.QuickBooks.FCS
- QBCFMonitorService
- YooBackup
- YooIT
- zhudongfangyu
- stc_raw_agent
- VSNAPVSS
- VeeamTransportSvc
- VeeamDeploymentService
- VeeamNFSSvc
- veeam
- PDVFSService
- BackupExecVSSProvider
- BackupExecAgentAccelerator
- BackupExecAgentBrowser
- BackupExecDiveciMediaService
- BackupExecJobEngine
- BackupExecManagementService
- BackupExecRPCService
- AcrSch2Svc
- AcronisAgent
- CASAD2DWebSvc
- CAARCUpdateSvc
- sophos
- “Acronis VSS Provider”
- MsDtsServer
- IISAdmin
- MSExchangeES
- “Sophos Agent”
- EraserSvc11710
- “Enterprise Client Service”
- “SQL Backups
- MsDtsServer100
- NetMsmqActivator
- MSExchangeIS
- “Sophos AutoUpdate Service”
- SamSs
- ReportServer
- “SQLsafe Backup Service”
- MsDtsServer110
- POP3Svc
- MSExchangeMGMT
- “Sophos Clean Service”
- SMTPSvc
- ReportServer$SQL_2008
- “SQLsafe Filter Service”
- msftesql$PROD
- SstpSvc
- MSExchangeMTA
- “Sophos Device Control Service”
- ReportServer$SYSTEM_BGC
- “Symantec System Recovery”
- MSOLAP$SQL_2008
- UI0Detect
- MSExchangeSA
- “Sophos File Scanner Service”
- ReportServer$TPS
- “Veeam Backup Catalog Data Service”
- MSOLAP$SYSTEM_BGC
- W3Svc
- MSExchangeSRS
- “Sophos Health Service”
- ReportServer$TPSAMA
- “Zoolz 2 Service”
- MSOLAP$TPS
- “aphidmonitorservice”
- msexchangeadtopology
- “Sophos MCS Agent”
- AcrSch2Svc
- MSOLAP$TPSAMA
- “intel(r) proset monitoring service”
- msexchangeimap4
- “Sophos MCS Client”
- ARSM
- MSSQL$BKUPEXEC
- unistoresvc_1af40a
- “Sophos Message Router”
- BackupExecAgentAccelerator
- MSSQL$ECWDB2
- audioendpointbuilder
- “Sophos Safestore Service”
- BackupExecAgentBrowser
- MSSQL$PRACTICEMGT
- “Sophos System Protection Service”
- BackupExecDeviceMediaService
- MSSQL$PRACTTICEBGC
- “Sophos Web Control Service”
- BackupExecJobEngine
- MSSQL$PROD
- AcronisAgent
- BackupExecManagementService
- MSSQL$PROFXENGAGEMENT
- Antivirus
- BackupExecRPCService
- MSSQL$SBSMONITORING /
- MSSQL$SBSMONITORING
- AVP
- BackupExecVSSProvider
- MSSQL$SHAREPOINT
- DCAgent
- bedbg
- MSSQL$SQL_2008
- EhttpSrv
- MMS
- MSSQL$SQLEXPRESS
- ekrn
- mozyprobackup
- MSSQL$SYSTEM_BGC
- EPSecurityService
- MSSQL$VEEAMSQL2008R2
- MSSQL$TPS
- EPUpdateService
- ntrtscan
- MSSQL$TPSAMA
- EsgShKernel
- PDVFSService
- MSSQL$VEEAMSQL2008R2
- ESHASRV
- SDRSVC
- MSSQL$VEEAMSQL2012
- FA_Scheduler
- SQLAgent$VEEAMSQL2008R2
- MSSQLFDLauncher$PROFXENGAGEMENT
- KAVFS
- SQLWriter
- MSSQLFDLauncher$SBSMONITORING
- KAVFSGT
- VeeamBackupSvc
- MSSQLFDLauncher$SHAREPOINT
- kavfsslp
- VeeamBrokerSvc
- MSSQLFDLauncher$SQL_2008
- klnagent
- VeeamCatalogSvc
- MSSQLFDLauncher$SYSTEM_BGC
- macmnsvc
- VeeamCloudSvc
- MSSQLFDLauncher$TPS
- masvc
- VeeamDeploymentService
- MSSQLFDLauncher$TPSAMA
- MBAMService
- VeeamDeploySvc
- MSSQLSERVER
- MBEndpointAgent
- VeeamEnterpriseManagerSvc
- MSSQLServerADHelper
- McAfeeEngineService
- VeeamHvIntegrationSvc
- MSSQLServerADHelper100
- McAfeeFramework
- VeeamMountSvc
- MSSQLServerOLAPService
- McAfeeFrameworkMcAfeeFramework
- VeeamNFSSvc
- MySQL57
- McShield
- VeeamRESTSvc
- MySQL80
- McTaskManager
- VeeamTransportSvc
- OracleClientCache80
- mfefire
- wbengine
- ReportServer$SQL_2008
- mfemms
- wbengine
- RESvc
- mfevtp
- sms_site_sql_backup
- SQLAgent$BKUPEXEC
- MSSQL$SOPHOS
- SQLAgent$CITRIX_METAFRAME
- sacsvr
- SQLAgent$CXDB
- SAVAdminService
- SQLAgent$ECWDB2
- SAVService
- SQLAgent$PRACTTICEBGC
- SepMasterService
- SQLAgent$PRACTTICEMGT
- ShMonitor
- SQLAgent$PROD
- Smcinst
- SQLAgent$PROFXENGAGEMENT
- SmcService
- SQLAgent$SBSMONITORING
- SntpService
- SQLAgent$SHAREPOINT
- sophossps
- SQLAgent$SQL_2008
- SQLAgent$SOPHOS
- SQLAgent$SQLEXPRESS
- svcGenericHost
- SQLAgent$SYSTEM_BGC
- swi_filter
- SQLAgent$TPS
- swi_service
- SQLAgent$TPSAMA
- swi_update
- SQLAgent$VEEAMSQL2008R2
- swi_update_64
- SQLAgent$VEEAMSQL2012
- TmCCSF
- SQLBrowser
- tmlisten
- SQLSafeOLRService
- TrueKey
- SQLSERVERAGENT
- TrueKeyScheduler
- SQLTELEMETRY
- TrueKeyServiceHelper
- SQLTELEMETRY$ECWDB2
- WRSVC
- mssql$vim_sqlexp
- vapiendpoint
- It displays the following text after restarting the system:
- It displays a balloon tip containing the following text:
SOLUTION
Step 2
Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.
Step 3
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 4
Reiniciar en modo seguro
Step 5
Restaurar este valor del Registro modificado
Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- LegalNoticeCaption = Information...
- LegalNoticeCaption = Information...
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- LegalNoticeText = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
- LegalNoticeText = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
- legalnoticecaption = Information...
- legalnoticecaption = Information...
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
- legalnoticetext = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
- legalnoticetext = All your files were encrypted, if you want to get them all back, please carefully read the text note located in your desktop...
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FileSystem
- LongPathsEnabled = 1
- LongPathsEnabled = 1
Step 6
Buscar y eliminar estos archivos
- %Programs%\Startup\{Malware File Name}.exe
- %Programs%\Startup\mystartup.lnk
- %User Temp%\RESTORE_FILES_INFO.txt
- %Desktop%\RESTORE_FILES_INFO.txt
- {encrypted directory}\RESTORE_FILES_INFO.txt
- %Programs%\Startup\{Malware File Name}.exe
- %Programs%\Startup\mystartup.lnk
- %User Temp%\RESTORE_FILES_INFO.txt
- %Desktop%\RESTORE_FILES_INFO.txt
- {encrypted directory}\RESTORE_FILES_INFO.txt
Step 7
Reinicie en modo normal y explore el equipo con su producto de Trend Micro para buscar los archivos identificados como Ransom.MSIL.THANOS.FAIT En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.
Step 8
Restore encrypted files from backup.
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