Videos

Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : a42c211988a47c9843737ce26812584f
 
  • Major Detection Name : Trojan/Win32.Matrix.C2428826 (AhnLab V3), Trojan.Win32.Z.Lockedfile.361984 (ViRobot)
 
  • Encrypted File Pattern : <Random>-<Random>.[RestorFile@tutanota.com]
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\#Decrypt_Files_ReadMe#.rtf
     - C:\Users\%UserName%\AppData\Roaming\<Random>.cmd
     - C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
 
  • Payment Instruction File : #Decrypt_Files_ReadMe#.rtf
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (WMIC.exe shadowcopy delete /nointeractive, vssadmin.exe delete shadows /all /quiet)
     - Interrupt file recovery using "C:\Windows\System32\cmd.exe" cipher /w:<Drive Letter>
     - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)

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