- Distribution Method : Automatic infection using exploit by visiting website
- MD5 : feaccffc7990693228933d5a5f67b833
- Major Detection Name : Ransom:Win32/FileCoder.AF!MSR (Microsoft), Ransom.Win32.SODINOKIBI.AUWUE (Trend Micro)
- Encrypted File Pattern : .<3~10-Digit Random Extension>
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Local\Temp\<Random>.exe
- C:\Users\%UserName%\AppData\Local\Temp\DirectX_Update.exe
- C:\Windows\SysWOW64\DirectX_Update.exe
- Payment Instruction File : ATTENTION-<Encryption Extension>-README.txt
- Major Characteristics :
- Offline Encryption
- AnteFrigus Ransomware series
- Use a "Google LLC" Digital Signatures
- Block processes execution (dbeng50.exe, encsvc.exe, isqlplussvc.exe, mydesktopservice.exe, ocautoupds.exe, xfssvccon.exe etc.)
- Disable system restore (wmic.exe shadowcopy delete)
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