- Distribution Method : Automatic infection using exploit by visiting website
- MD5 : c97075cf1f28b322da460adfd404310f
- Major Detection Name : Trojan/Win32.Matrixran.R211995 (AhnLab V3), Ransom_MATRIX.FQN (Trend Micro)
- Encrypted File Pattern : <Original Filename>_[RELOCK001@TUTA.IO].<Original Extension>
- 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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.lnk
- C:\Users\%UserName%\AppData\Roaming\Microsoft\<Random>.exe
- 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>.pek
- C:\Users\%UserName%\AppData\Roaming\<Random>.sek
- C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
- Payment Instruction File : !OoopsYourFilesLocked!.rtf / !OoopsYourFilesLocked!1.rtf ~ !OoopsYourFilesLocked!30.rtf
- Major Characteristics :
- Offline Encryption
- Change the default values of the registry entry "HKEY_CLASSES_ROOT\mscfile\shell\open\command" and a ransomware execution using Event Viewer (eventvwr.exe)
- Disable system restore (vssadmin.exe delete shadows /all /quiet)
- Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)
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