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GandCrab v5.0 Ransomware (.<5 Digit Random Extension> / <Encryption Extension>-DECRYPT.txt)

  • Distribution Method : Download file by user
 
  • MD5 : 680c331dcfc5a9eeaebead4538a909e9
 
  • Encrypted File Pattern : .<5 Digit Random Extension>
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\<Random>.tmp
     - C:\Users\%UserName%\<Random>.exe
 
  • Payment Instruction File : <Encryption Extension>-DECRYPT.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (wmic.exe shadowcopy delete)
     - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\pidor.bmp)

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