Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Unknown
  • MD5 : dd4eb8aa3371b7fd821a7a9730c924cf
  • Major Detection Name : MSIL/Thanos.A!tr.ransom (Fortinet), Ransom.MSIL.THANOS.FAIN (Trend Micro)
  • Encrypted File Pattern : .PROM[]
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\<Random>.exe
     - C:\Users\%UserName%\AppData\Local\Temp\RESTORE_FILES_INFO.txt
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mystartup.lnk
     - C:\Users\%UserName%\Desktop\RESTORE_FILES_INFO.hta
  • Payment Instruction File : RESTORE_FILES_INFO.hta / RESTORE_FILES_INFO.txt
  • Major Characteristics :
     - Offline Encryption
     - Thanos Ransomware series
     - Allow Windows firewall rules ("netsh" advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes, "netsh" advfirewall firewall set rule group=\"Network Discovery\" new enable=Yes)
     - Disable Raccine ransomware protection ("taskkill" /F /IM RaccineSettings.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)
     - Block processes execution (firefoxconfig.exe, mspub.exe, mydesktopqos.exe, mysqld.exe, sqbcoreservice.exe, steam.exe etc.)
     - Stop multi services (BackupExecVSSProvider, McAfeeFramework, MSSQL$BKUPEXEC, PDVFSService, SamSs, SntpService etc.)
     - Disable multi services ("sc.exe" config Dnscache start= auto, "sc.exe" config FDResPub start= auto, "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled, "sc.exe" config SQLWriter start= disabled, "sc.exe" config SSDPSRV start= auto, "sc.exe" config SstpSvc start= disabled etc.)
     - Disable system restore ("powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); })
     - Empty the trash ("cmd.exe" /c rd /s /q <Drive Letter>:\\$Recycle.bin)