- Distribution Method : Automatic infection using exploit by visiting website
- MD5 : c3df738d9bf4243d52e704ede9432873
- Major Detection Name : Trojan/Win32.Matrixran.C2054718 (AhnLab V3), Trojan.Ransom.Matrix (ALYac)
- Encrypted File Pattern : No Change
- Malicious File Creation Location :
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\<Random>.lnk
- C:\Users\%UserName%\AppData\Local\Microsoft\<Random>.exe
- C:\Users\%UserName%\AppData\Local\Temp\<Random>.exe
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.hta
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.lnk
- C:\Users\%UserName%\AppData\Roaming\<Random Folder>
- C:\Users\%UserName%\AppData\Roaming\<Random>\<Random>.cmd
- C:\Users\%UserName%\AppData\Roaming\<Random>\<Random>.exe
- C:\Users\%UserName%\AppData\Roaming\<Random>.hta
- Payment Instruction File : #How_to_return_files#.rtf / #How_to_return_files#1.rtf ~ #How_to_return_files#50.rtf / <Random>.hta
- Major Characteristics :
- Offline Encryption
- Ransomware execution using Event Viewer (eventvwr.msc)
- Disable system restore (vssadmin.exe delete shadows /all /quiet)
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