- Distribution Method : Unknown
- MD5 : d35e349ff1360c35998c9937c804a8f9
- Major Detection Name : Trojan.Ransom.Thanos (ALYac), Ransom:MSIL/Cryptolocker.PDN!MTB (Microsoft)
- Encrypted File Pattern : .AZCUEPUMPS[prometheushelp@mail.ch]
- 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 Windows Defender ("powershell" Get-MpPreference -verbose)
- 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 (excel.exe, isqlplussvc.exe, mspub.exe, thebat64.exe, thunderbird.exe, tmlisten.exe etc.)
- Disable multi services ("sc.exe" config FDResPub start=auto, "sc.exe" config SQLTELEMETRY start=disabled, "sc.exe" config SQLTELEMETRY$ECWDB2 start=disabled, "sc.exe" config SSDPSRV start=auto, "sc.exe" config SstpSvc start=disabled, "sc.exe" config upnphost start=auto etc.)
- Stop multi services (BackupExecAgentAccelerator, bedbg, kavfsslp, msexchangeimap4, MySQL80, Sophos Clean Service etc.)
- Disable system restore ("powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); })
- Activate the SMB protocol function ("powershell.exe" & Enable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol)
- Empty the trash ("cmd.exe" /c rd /s /q <Drive Letter>\\$Recycle.bin)
- Ransomware message output using print function
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