WORM_VOBFUS.IW

Publish Date: 13 ottobre 2012

Trojan.Win32.Generic!BT (Sunbelt)

Piattaforma:

Windows 2000, Windows XP, Windows Server 2003

Valutazione del rischio complessivo:

Potenziale dannoso: :

Potenziale di distribuzione: :

Reported Infection:

Basso

Medio

Alto

Critico

Tipo di minaccia informatica:
Worm
Distruttivo?:
No
Crittografato?:
In the wild::
Sì

Panoramica e descrizione

Dettagli tecnici

Dimensione file: 278,528 bytes

Tipo di file: EXE

Residente in memoria: Sì

Data di ricezione campioni iniziali: 21 maggio 2012

Técnica de inicio automático

Agrega las siguientes entradas de registro para permitir su ejecución automática cada vez que se inicia el sistema:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /B"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /E"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /q"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /O"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /s"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /w"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /f"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /T"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /p"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /t"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /l"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /Y"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /k"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /M"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /W"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /P"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /r"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /j"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /m"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /A"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /c"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /x"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /b"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /R"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /F"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /y"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /G"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /u"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /z"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /N"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /g"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /D"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /S"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /I"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /a"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /o"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /V"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /v"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /U"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /K"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /Q"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /Z"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /e"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /J"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /H"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /d"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
yrnouf = "%User Profile%\yrnouf.exe /L"

Otras modificaciones del sistema

Agrega las siguientes entradas de registro:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
ShowSuperHidden = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows\WindowsUpdate\
AU
NoAutoUpdate = "1"

Soluzioni

Motore di scansione minimo: 9.200

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

Step 2

Reiniciar en modo seguro

[ learnMore ]

Step 3

Eliminar este valor del Registro

[ learnMore ]

Importante: si modifica el Registro de Windows incorrectamente, podría hacer que el sistema funcione mal de manera irreversible. Lleve a cabo este paso solo si sabe cómo hacerlo o si puede contar con ayuda de su administrador del sistema. De lo contrario, lea este artículo de Microsoft antes de modificar el Registro del equipo.

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /B"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /E"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /q"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /O"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /s"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /w"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /f"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /T"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /p"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /t"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /l"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /Y"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /k"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /M"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /W"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /P"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /r"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /j"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /m"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /A"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /c"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /x"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /b"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /R"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /F"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /y"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /G"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /u"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /z"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /N"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /g"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /D"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /S"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /I"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /a"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /o"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /V"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /v"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /U"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /K"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /Q"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /Z"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /e"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /J"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /H"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /d"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- yrnouf = "%User Profile%\yrnouf.exe /L"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
- ShowSuperHidden = "0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
- NoAutoUpdate = "1"

Para eliminar el valor del Registro que este malware/grayware/spyware ha creado:

Abra el Editor del Registro. Haga clic en Inicio>Ejecutar, escriba REGEDIT y, a continuación, pulse Intro.
En el panel izquierdo, haga doble clic en el siguiente elemento:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /B"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /E"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /q"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /O"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /s"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /w"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /f"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /T"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /p"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /t"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /l"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /Y"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /k"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /M"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /W"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /P"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /r"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /j"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /m"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /A"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /c"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /x"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /b"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /R"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /F"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /y"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /G"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /u"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /z"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /N"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /g"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /D"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /S"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /I"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /a"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /o"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /V"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /v"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /U"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /K"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /Q"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /Z"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /e"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /J"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /H"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /d"
En el panel derecho, busque y elimine la entrada:
yrnouf = "%User Profile%\yrnouf.exe /L"
En el panel izquierdo, haga doble clic en el siguiente elemento:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
En el panel derecho, busque y elimine la entrada:
ShowSuperHidden = "0"
En el panel izquierdo, haga doble clic en el siguiente elemento:
HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows>WindowsUpdate>AU
En el panel derecho, busque y elimine la entrada:
NoAutoUpdate = "1"
Cierre el Editor del Registro.

Step 4

Reinicie en modo normal y explore el equipo con su producto de Trend Micro para buscar los archivos identificados como WORM_VOBFUS.IW En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.

Sondaggio

WORM_VOBFUS.IW

Panoramica e descrizione

Dettagli tecnici

Soluzioni

Risorse

Assistenza

Informazioni su Trend

WORM_VOBFUS.IW

Panoramica e descrizione

Dettagli tecnici

Soluzioni

Risorse

Assistenza

Informazioni su Trend

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