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  • Distribution Method : Unknown
 
  • MD5 : 53c8f2fda54eba508c533283a8c2896f
 
  • Major Detection Name : A variant of Win32/Filecoder.Ouroboros.E (ESET), Ransom.Ouroboros (Malwarebytes)
 
  • Encrypted File Pattern : .[sleepme134@gmail.com][ID-<Random>].Void
 
  • Malicious File Creation Location :
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Decryption-Info.HTA
     - C:\ProgramData\IDo.txt
     - C:\ProgramData\pubkey.txt
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Decryption-Info.HTA
 
  • Payment Instruction File : Decryption-Info.HTA
 
  • Major Characteristics :
     - Offline Encryption
     - Zeropadypt Ransomware series
     - Turns off Windows Firewall (netsh advfirewall set  currentprofile state off, netsh firewall set opmode mode=disable)
     - Block processes execution (msftesql.exe, mysqld.exe, sqlagent.exe, sqlbrowser.exe, sqlserver.exe, sqlwriter.exe etc.)
     - Stop multi services (MSDTC, MSSQL$CONTOSO1, MSSQLSERVER, SQLBrowser, SQLSERVERAGENT, SQLWriter, vds)
     - Disable system restore (bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)

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