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CyberSplitter Ransomware (.<Original Extension> .Isis)

  • Distribution Method : Unknown
 
  • MD5 : b40c574ee1abe1b75fee620fde7b922f
 
  • Major Detection Name : Gen:Heur.Ransom.HiddenTears.1 (BitDefender), Ransom.CyberSpLiTTER (Malwarebytes)
 
  • Encrypted File Pattern : .<Original Extension> .Isis
 
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Local\Temp\3582-490\Temppicc.exe
         - C:\Users\%UserName%\AppData\Local\Temp\<Random>.tmp\Read@My.vbs
         - C:\Users\%UserName%\AppData\Local\Temppicc.exe
         - C:\Users\%UserName%\AppData\Local\Tempspesh.exe
         - C:\Users\%UserName%\Desktop\@-Decrypt-@.txt
 
  • Payment Instruction File : @-Decrypt-@.txt
 
  • Major Characteristics :
         - Offline Encryption
         - Hidden-Tear Open Source based Ransomware
         - Encryption guide using Text-to-Speech (TTS) function
         - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\img.jpg)

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