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Scarab Ransomware (<Random Filename>.aescrypt)

  • Distribution Method : Unknown
  • MD5 : 035ab8ea414e9f33dea19b50a99ccef6
  • Major Detection Name : DeepScan:Generic.Ransom.Amnesia.53A5BAB9 (BitDefender), Ransom:Win32/Kitoles.A (Microsoft)
  • Encrypted File Pattern : <Random Filename>.aescrypt
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\svchoste.exe
     - C:\Users\%UserName%\PLEASE READ.TXT
  • Payment Instruction File : PLEASE READ.TXT
  • Major Characteristics :
     - Offline Encryption
     - Amnesia / Scarabey Ransomware series
     - Disable and Blocks Registry Editor (regedit.exe) and Task Manager (Taskmgr.exe)
     - Block processes execution (mysqld.exe, mysqld-nt.exe, mysqld-opt.exe, oracle.exe, sqlwriter.exe, steam.exe etc.)
     - Checks following folder name for encryption: Adobe, Archive, Backup, Firebird, Microsoft, Microsoft SQL Server, Microsoft SQL Server Compact Edition, MSSQL.1, Oracle, Reserv, Restore.
     - Disable system restore (wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0, wmic SHADOWCOPY DELETE, vssadmin Delete Shadows /All /Quiet, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures)