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GlobeImposter Ransomware (.xls)

  • Distribution Method : Unknown
  • MD5 : 2f121145ea11b36f9ade0cb8f319e40a
  • Major Detection Name : Trojan.Ransom.GlobeImposter (ALYac), Trojan:MSIL/AgentTesla.DXD!MTB (Microsoft)
  • Encrypted File Pattern : .xls
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\tmp<Random>.tmp.bat
     - C:\Users\%UserName%\AppData\Local\<Random>.exe
     - C:\Users\%UserName%\AppData\Roaming\jVYbanglCI.exe
     - C:\Windows\System32\Tasks\Updates
     - C:\Windows\System32\Tasks\Updates\jVYbanglCI
  • Payment Instruction File : read-me.txt
  • Major Characteristics :
     - Offline Encryption
     - Fake Globe / PSCrypt Ransomware series
     - The job scheduler registration value (Updates\jVYbanglCI) automatically runs the file "%AppData%\jVYbanglCI.exe" at user logon.
     - Disable system restore (vssadmin.exe Delete Shadows /All /Quiet)
     - Initializing the Terminal Server Client Registry (reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f, reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f, reg add "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers")