- Distribution Method : Unknown
- MD5 : 248c960c1ae54103dea5bfae924f28e2
- Major Detection Name : Trojan.Ransom.ChaCha (ALYac), Trojan-Ransom.Win32.Cryptor.cit (Kaspersky)
- Encrypted File Pattern : .<4~7-Digit Random Extension>
- Malicious File Creation Location :
- C:\ProgramData\foo.db
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html
- Payment Instruction File : DECRYPT-FILES.html
- Major Characteristics :
- Offline Encryption
- Maze Ransomware series
- Disable system restore ("C:\<Random>\<Random>\..\..\Windows\<Random>\<Random>\<Random>\..\..\..\system32\<Random>\..\wbem\<Random>\<Random>\..\..\wmic.exe" shadowcopy delete)
- Encryption guide using Text-to-Speech (TTS) function
- Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\123456789.bmp)
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