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Wesker Ransomware (<Original Filename>.<Original Extension>)

  • Distribution Method : Unknown
 
  • MD5 : 9de434f0afed54dc53e1dcb11bc69fb7
 
  • Major Detection Name : Win32:CrypterX-gen [Trj] (Avast), A Variant Of Win32/Kryptik.GTBX (ESET)
 
  • Encrypted File Pattern : <Original Filename>.<Original Extension>
 
  • Malicious File Creation Location :
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\!!!INSTRUCTION_RNSMW!!!.txt
     - C:\ProgramData\!!!INSTRUCTION_RNSMW!!!.txt
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\!!!INSTRUCTION_RNSMW!!!.txt
 
  • Payment Instruction File : !!!INSTRUCTION_RNSMW!!!.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (wmic.exe shadowcopy delete, vssadmin delete shadows /all /quiet)

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