Ransom.Win64.HIVE.A
Gen:Variant.Ransom.Hive.3 (BITDEFENDER)
Windows
Tipo de malware
Ransomware
Destructivo?
No
Cifrado
Sí
In the Wild:
Sí
Resumen y descripción
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Detalles técnicos
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
Infiltra los archivos siguientes:
- {Encrypted drive}\{Random string}.key.kb2j4
Agrega los procesos siguientes:
- vssadmin.exe delete shadows /all /quiet
- wmic.exe SHADOWCOPY /nointeractive
- bcdedit.exe /set {default} recoveryenabled no
- wevtutil.exe cl system
- wevtutil.exe cl security
- wevtutil.exe cl application
Finalización del proceso
Finaliza los servicios siguientes si los detecta en el sistema afectado:
- acronis
- AcrSch2Svc
- Antivirus
- ARSM
- AVP
- backup
- bedbg
- CAARCUpdateSvc
- CASAD2DWebSvc
- ccEvtMgr
- ccSetMgr
- Culserver
- dbeng8
- dbsrv12
- DCAgent
- DefWatch
- EhttpSrv
- ekrn
- Enterprise Client Servic
- EPSecurityService
- EPUpdateService
- EraserSvc11710
- EsgShKernel
- ESHASRV
- FA_Scheduler
- firebird
- IISAdmin
- IMAP4Svc
- Intuit
- KAVFS
- KAVFSGT
- kavfsslp
- klnagent
- macmnsvc
- masvc
- MBAMService
- MBEndpointAgent
- McAfee
- McShield
- McTaskManager
- memtas
- mepocs
- mfefire
- mfemms
- mfevtp
- MMS
- MsDtsServer
- MsDtsServer100
- MsDtsServer110
- msexchange
- msmdsrv
- MSOLAP
- MVArmor
- MVarmor64
- NetMsmqActivator
- ntrtscan
- oracle
- PDVFSService
- POP3Svc
- postgres
- QBCFMonitorService
- QBFCService
- QBIDPService
- redis
- report
- RESvc
- RTVscan
- sacsvr
- SamSs
- SAVAdminService
- SavRoam
- SAVService
- SDRSVC
- SepMasterService
- ShMonitor
- Smcinst
- SmcService
- SMTPSvc
- SNAC
- SntpService
- sophos
- sql
- SstpSvc
- stc_raw_agent
- ^svc
- swi_
- Symantec
- TmCCSF
- tmlisten
- tomcat
- TrueKey
- UI0Detect
- veeam
- vmware
- vss
- W3Svc
- wbengine
- WebClient
- wrapper
- WRSVC
- WSBExchange
- YooIT
- zhudongfangyu
- Zoolz
Otros detalles
Hace lo siguiente:
- It adds the following processes to disable AV configuration in the machine:
- net.exe stop "NetMsmqActivator" /y
- net.exe stop "SamSs" /y
- net.exe stop "VSS" /y
- net.exe stop "SDRSVC" /y
- net.exe stop "SstpSvc" /y
- net.exe stop "UI0Detect" /y
- net.exe stop "wbengine" /y
- net.exe stop "WebClient" /y
- sc.exe config "NetMsmqActivator" start= disabled
- sc.exe config "SamSs" start= disabled
- sc.exe config "SDRSVC" start= disabled
- sc.exe config "SstpSvc" start= disabled
- sc.exe config "UI0Detect" start= disabled
- sc.exe config "VSS" start= disabled
- sc.exe config "wbengine" start= disabled
- sc.exe config "WebClient" start= disabled
- reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
- reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
- reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
- reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
- reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
- reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
- reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f
- reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
- reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
- schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
- schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
- schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
- schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
- schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
- cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
- cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
Soluciones
Step 1
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 2
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 3
Reiniciar en modo seguro
Step 4
Buscar y eliminar este archivo
- {Encrypted directory}\{Random string}_HOW_TO_DECRYPT.txt
Step 5
Reinicie en modo normal y explore el equipo con su producto de Trend Micro para buscar los archivos identificados como Ransom.Win64.HIVE.A 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 6
Restore encrypted files from backup.
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