- Distribution Method : Automatic infection using exploit by visiting website
- MD5 : 75165fcbaa70713b33321bcf6756e9a4
- Major Detection Name : Trojan.Ransom.Matrix (ALYac), Ransom.Kovter (Symantec)
- Encrypted File Pattern : <Original Filename>.<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\Local\Temp\<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 Foldername>
- C:\Users\%UserName%\AppData\Roaming\<Random Foldername>\<Random>.cmd
- C:\Users\%UserName%\AppData\Roaming\<Random Foldername>\<Random>.exe
- C:\Users\%UserName%\AppData\Roaming\<Random>.hta
- Payment Instruction File : <Random>.hta / WhatHappenedWithMyFiles.rtf / WhatHappenedWithMyFiles1.rtf ~ WhatHappenedWithMyFiles30.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, bcdedit.exe /set {default} recoveryenabled no, bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures)
List