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  • Distribution Method : Unknown
 
  • MD5 : 3c88518636144a54879a006dc280c8fb
 
  • Major Detection Name : a variant of MSIL/Filecoder.Jigsaw.J (ESET), Ransom.Bud (Malwarebytes)
 
  • Encrypted File Pattern : .bud
 
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Local\Corel\CorelCGS.exe
         - C:\Users\%UserName%\AppData\Roaming\Corel\RegisterCGS.exe
 
  • Major Characteristics :
         - Offline Encryption
         - Ramsey Ransomware series
         - Automatically delete encrypted files every hour
         - Disable and Blocks Task Manager (Taskmgr.exe / DisableTaskMgr)
         - After ransomware completes the file encryption, forces Blue Screen(BSOD) in system shutdown operation

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