Check out our video libray AppCheck defending aginst newest ransomware

Matrix Ransomware (<Original Filename>_Write_To_Emails_[][].<Original Extension>)

  • Distribution Method : Automatic infection using exploit by visiting website
  • MD5 : e388a694f9a550566208901593a256f1
  • Major Detection Name : Trojan-Ransom.Win32.Matrix.nm (Kaspersky), Ransom:Win32/Delcryset.A (Microsoft)
  • Encrypted File Pattern : <Original Filename>_Write_To_Emails_[][].<Original Extension>
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\<Random>\<Random>.cmd
         - C:\Users\%UserName%\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\<Random>\index[Number].htm
         - C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
  • Payment Instruction File : ReadMe_T0_Rec0ver_Files.rtf / ReadMe_T0_Rec0ver_Files1.rtf ~ ReadMe_T0_Rec0ver_Files50.rtf
  • Major Characteristics :
         - Offline Encryption
         - Change the default values of the registry entry "HKEY_CLASSES_ROOT\mscfile\shell\open\command" and disable system restore (vssadmin.exe delete shadows /all /quiet) using Event Viewer (eventvwr.exe)
         - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)

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