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TargetCompany Ransomware (.bozon / FILE RECOVERY.txt)

  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : 672ee0c77a8617372c5caf47e227337c
 
  • Major Detection Name : Win32:RATX-gen [Trj] (Avast), Trojan:Win32/Sabsik.FL.B!ml (Microsoft)
 
  • Encrypted File Pattern : .bozon
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\<Random>.bat
     - C:\Users\%UserName%\AppData\Roaming\Vlbytbq
     - C:\Users\%UserName%\AppData\Roaming\Vlbytbq\Kozdg.exe
 
  • Payment Instruction File : FILE RECOVERY.txt
 
  • Major Characteristics :
     - Mallox Ransomware series
     - File encryption using Microsoft .NET Framework clean file (C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe)
     - Block processes execution (fdhost.exe, httpd.exe, java.exe, RAVCp164.exe, reportingservicesservice.exe, sqlservr.exe etc.)
     - Stop multi services (CASLicenceServer, DDNSService, OracleOraDb10g_homeliSQL*Plus, TeamViewer8, TPlusStdUpgradeService1220, VMwareHostd etc.)
     - Delete multi services (MSCRMAsyncService, Mysoft.SchedulingService, RaAutoInstSrv_RT2870, RTCATS, SPTimerV4, U8KeyManagePool etc.)
     - Disable system restore (vssadmin.exe delete shadows /all /quiet, bcdedit /set {current} bootstatuspolicy ignoreallfailures, bcdedit /set {current} recoveryenabled no)

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