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Chen_Error Ransomware (error_<Original Filename>.<Original Extension>)

  • Distribution Method : Unknown
 
  • MD5 : 4ad9df6dbf92a4f5165675be68038ef9
 
  • Major Detection Name : Ransom:Win32/Chendub.A (Microsoft), Ransom_Chendub.R002C0DIR17 (Trend Micro)
 
  • Encrypted File Pattern : error_<Original Filename>.<Original Extension>
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\READ___ME.txt
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\READ_ME.txt
 
  • Payment Instruction File : READ___ME.txt / READ_ME.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (vssadmin.exe Delete Shadows /All /Quiet)

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