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Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Unknown
 
  • MD5 : 5d199b121047145a3ab8f82c2f5b3ed7
 
  • Major Detection Name : Generic.Ransom.Hiddentear.A.177CAE27 (BitDefender), MSIL.Trojan-Ransom.Remind.B (GData)
 
  • Encrypted File Pattern : .$big$
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url
     - C:\Users\%UserName%\AppData\Roaming\read_me.txt
     - C:\Users\%UserName%\AppData\Roaming\svchost.exe
     - <Drive Letter>:\WinBackup.exe
 
  • Payment Instruction File : read_me.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Chaos / Penta Ransomware series
     - Disable system restore (vssadmin delete shadows /all /quiet, wmic shadowcopy delete, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
     - Propagation using "<Drive Letter>:\WinBackup.exe" file.

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