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TeslaCrypt Ransomware(.ecc / HELP_RESTORE_FILES.txt)

  • Distribution Method : Unknown
 
  • MD5 : f3b12a197d732cda29d6d9e698ea58bf
 
  • Major Detection Name : Trojan-Ransom.Win32.Bitman.ev (Kaspersky), Ransom:Win32/Tescrypt.A (Microsoft)
 
  • Encrypted File Pattern : .ecc
 
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Roaming\key.dat
         - C:\Users\%UserName%\AppData\Roaming\log.html
         - C:\Users\%UserName%\AppData\Roaming\<Random>.exe
         - C:\Users\%UserName%\Desktop\CryptoLocker.lnk
         - C:\Users\%UserName%\Documents\RECOVERY_KEY.TXT
 
  • Payment Instruction File : HELP_RESTORE_FILES.txt
 
  • Major Characteristics : Offline encryption, Delete VSS service, Blocks execution of command prompt (Image File Execution Options\cmd.exe) / Task Manager(Image File Execution Options\taskmgr.exe), Changes Desktop background(C:\Users\%UserName%\Desktop\HELP_RESTORE_FILES.bmp)

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