- Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
- MD5 : 9f7bc574ebe687e1515354c9adb79650
- Major Detection Name : Ransom:Win32/Wadhrama.C (Microsoft), Ransom.Crysis (Norton)
- Encrypted File Pattern : .id-<Random>.[thedecrypt111@qq.com].bat
- Malicious File Creation Location :
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.exe
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.exe
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
- C:\Users\%UserName%\AppData\Roaming\<Random>.exe
- C:\Users\%UserName%\AppData\Roaming\Info.hta
- C:\Users\%UserName%\Desktop\RETURN FILES.txt
- C:\Users\Public\Desktop\RETURN FILES.txt
- C:\Windows\System32\<Random>.exe
- C:\Windows\System32\Info.hta
- <Drive Letter>:\RETURN FILES.txt
- Payment Instruction File : Info.hta / RETURN FILES.txt
- Major Characteristics :
- Offline Encryption
- Dharma / Phobos Ransomware series
- Block processes execution (mysqld.exe, mysqld-nt.exe, outlook.exe, postgres.exe, sqlservr.exe etc.)
- Stop multi services (mssqlserver, sqlserveradhelper, sqlwriter etc.)
- Disable system restore (vssadmin delete shadows /all /quiet)
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