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Sigrun v1.0 Ransomware (.sigrun)

  • Distribution Method : Unknown
 
  • MD5 : b622d3764a3a1f73eff601206f040184
 
  • Major Detection Name : Trojan-Ransom.Win32.Cryptor.bsk (Kaspersky), Trojan:Win32/Azden.B!cl (Microsoft)
 
  • Encrypted File Pattern : .sigrun
 
  • Malicious File Creation Location : C:\Users\%UserName%\AppData\Local\Temp\<Random>.tmp.exe
 
  • Payment Instruction File : RESTORE-SIGRUN.html / RESTORE-SIGRUN.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (wmic.exe shadowcopy delete)

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