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GandCrab v4 Ransomware (.KRAB)

  • Distribution Method : Unknown
 
  • MD5 : 49eb4afe5b817ed56eacf504c80106d1
 
  • Major Detection Name : Trojan-Ransom.Win32.GandCrypt.cht (Kaspersky), Ransom_HPGANDCRAB.SMG2 (Trend Micro)
 
  • Encrypted File Pattern : .KRAB
 
  • Malicious File Creation Location : C:\Users\%UserName%\AppData\Local\Temp\<Random>.exe
 
  • Payment Instruction File : KRAB-DECRYPT.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (dbsnmp.exe, msftesql.exe, oracle.exe, sqlagent.exe, sqlbrowser.exe, sqlwriter.exe etc.)
     - Disable system restore (wmic.exe shadowcopy delete)

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