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  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : f1d679e62fc57db06833ecf0fb697dd3
 
  • Major Detection Name : Generic.Ransom.Ouroboros.86DDF22C (BitDefender), Ransom.Ouroboros (Malwarebytes)
 
  • Encrypted File Pattern : .Email=[Mr.TeslaBrain@protonmail.com]ID=[<Random>].odveta
 
  • Malicious File Creation Location :
     - C:\ProgramData\ids.txt
     - C:\ProgramData\Pkey.txt
     - C:\ProgramData\uiapp.exe
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Unlock-Files.txt
 
  • Payment Instruction File : Unlock-Files.txt
 
  • 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, mysqld-nt.exe, sqlagent.exe, sqlbrowser.exe, sqlserver.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, vssadmin delete shadows /all)

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