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Master Ransomware (.[pardon1@bigmir.net].master)

  • Distribution Method : Unknown
 
  • MD5 : 0de38240cbf61a9c72bd2719a86ffb38
 
  • Major Detection Name : Ransom.BTCWare (Malwarebytes), Troj/Ransom-FOF (Sophos)
 
  • Encrypted File Pattern : .[pardon1@bigmir.net].master
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\!#_RESTORE_FILES_#!.inf
     - C:\Users\%UserName%\Desktop\!#_RESTORE_FILES_#!.inf
 
  • Payment Instruction File : !#_RESTORE_FILES_#!.inf
 
  • Major Characteristics :
     - Offline Encryption
     - Aleta / BTCWare / Crptxxx / Gryphon Ransomware series
     - Disable system restore (vssadmin.exe Delete Shadows /All /Quiet, bcdedit.exe /set {default} recoveryenabled No, bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures)
     - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\1.bmp)

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