Analisado por: Jaime Benigno Reyes   

 

Worm:Win32/Gamarue.I (Microsoft), Trojan-Ransom.Win32.PornoAsset.bxjs (Kaspersky), Trojan-FAZJ!2F5CA196C31F (McAfee)

 Plataforma:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 Classificao do risco total:
 Potencial de dano:
 Potencial de distribuição:
 infecção relatada:
Baixo
Medium
Alto
Crítico

  • Tipo de grayware:
    Backdoor

  • Destrutivo:
    Não

  • Criptografado:
     

  • In the Wild:
    Sim

  Visão geral


  Detalhes técnicos

Tipo de compactação: 64,000 bytes
Tipo de arquivo: EXE
Residente na memória: Não
Data de recebimento das amostras iniciais: 21 fevereiro 2013

Installation

Schleust die folgenden Eigenkopien in das betroffene System ein:

  • %ProgramData%\svchost.exe (Windows Vista and 7 only)
  • %System Root%\Users\All Users\svchost.exe (Windows Vista and 7 only)
  • %System Root%\Documents and Settings\All Users\svchost.exe (versions other than Windows Vista and 7)

(Hinweis: %System Root% ist der Stammordner, normalerweise C:\. Dort befindet sich auch das Betriebssystem.)

Autostart-Technik

Fügt folgende Registrierungseinträge hinzu, um bei jedem Systemstart automatisch ausgeführt zu werden.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
SunJavaUpdateSched = "%ProgramData%\svchost.exe" (Windows Vista and 7 only and if Java update is disabled in startup)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
SunJavaUpdateSched = "%System Root%\Documents and Settings\All Users\svchost.exe" (versions other than Windows Vista and 7 and if Java update is disabled in startup)

Ändert die folgenden Registrierungseinträge, um bei jedem Systemstart automatisch ausgeführt zu werden:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
SunJavaUpdateSched = "%ProgramData%\svchost.exe" (Windows Vista and 7 only and if Java update is enabled in startup)

(Note: The default value data of the said registry entry is "{Java Installation Folder}\jusched.exe".)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
SunJavaUpdateSched = "%System Root%\Documents and Settings\All Users\svchost.exe" (versions other than Windows Vista and 7 and if Java update is enabled in startup)

(Note: The default value data of the said registry entry is "{Java Installation Folder}\jusched.exe".)