PUA.Win32.DownloadGuide.CB
Windows
Threat Type:
Potentially Unwanted Application
Destructiveness:
No
Encrypted:
In the wild::
Yes
OVERVIEW
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Elimina archivos para impedir la ejecución correcta de programas y aplicaciones.
TECHNICAL DETAILS
Detalles de entrada
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Instalación
Crea las carpetas siguientes:
- %User Temp%\DLG\ui\common\last\img
- %User Temp%\DLG\ui\offers
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\js
- %User Temp%\DLG\ui\common\last\js
- %User Temp%\DLG\ui\common\progress
- %User Temp%\DLG\loadingImage
- %User Temp%\DLG\ui\common\last
- %User Temp%\DLG\ui\common\progress\js
- %User Temp%\DLG\ui\common\progress\img
- %User Temp%\DLG\initWindow
- %User Temp%\DLG\ui\common\base\css
- %User Temp%\DLG\ui\common\base\js
- %User Temp%\DLG\ui\common\base
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52
- %User Temp%\DLG\ui\common\progress\css
- %User Temp%\DLG\ui\common
- %User Temp%\DLG\ui
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\css
- %User Temp%\DLG\ui\common\last\css
- %User Temp%\DLG\initWindow\css
- %User Temp%\DLG\dlgres
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img
(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).
)Otras modificaciones del sistema
Elimina los archivos siguientes:
- %User Temp%\DLG\test.part
(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).
)Agrega las siguientes entradas de registro:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Cached
{random string} = "\x01\x00\x00\x00\x00\x00\x00\x00\x02;\xec\xf0\xd9\xb4\xd5\x01"
Rutina de infiltración
Infiltra los archivos siguientes:
- %User Temp%\DLG\loadingImage\loadingImage.bmp
- %User Temp%\DLG\ui\common\last\index.html
- %User Temp%\DLG\initWindow\progress.html
- %User Temp%\DLG\ui\common\progress\img\bar-lb.png
- %User Temp%\DLG\dlgres\DLG-Product-Logo.png
- %User Temp%\DLG\ui\common\progress\css\style.css
- %User Temp%\DLG\ui\common\progress\img\br-b.png
- %User Temp%\DLG\ui\common\progress\img\icon.png
- %User Temp%\DLG\ui\common\last\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\br-rb.png
- %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
- %User Temp%\DLG\ui\common\last\last.zip
- %User Temp%\DLG\initWindow\noconnection.html
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\progress.png
- %User Temp%\DLG\ui\common\base\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\css\style.css
- %User Temp%\DLG\ui\common\progress\img\bar-rb.png
- %User Temp%\DLG\ui\common\base\index.html
- %User Temp%\DLG\initWindow\css\style.css
- %User Temp%\DLG\ui\common\progress\progress.zip
- %User Temp%\DLG\ui\common\progress\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\index.html
- %User Temp%\DLG\ui\common\progress\progress.zip.part
- %User Temp%\DLG\ui\common\progress\img\151.gif
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\uifile.zip.part
- %User Temp%\DLG\ui\common\progress\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\br-bg.png
- %User Temp%\DLG\ui\common\base\css\style.css
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\progress.png
- %User Temp%\DLG\ui\common\last\css\style.css
- %User Temp%\DLG\ui\common\last\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\progress-bar.png
- %User Temp%\DLG\ui\common\base\base.zip.part
- %User Temp%\DLG\ui\common\last\last.zip.part
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\common\base\base.zip
- %User Temp%\DLG\ui\common\progress\index.html
- %User Temp%\DLG\ui\common\progress\img\br-lb.png
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\uifile.zip
- %User Temp%\DLG\ui\common\progress\img\progress-bar.png
- %User Temp%\DLG\ui\common\progress\img\bar-bg.png
(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).
)Otros detalles
It connects to the following possibly malicious URL:
- http://dlg-configs.{BLOCKED}n.de
- http://dlg-configs.{BLOCKED}n.de/config-from-production
- http://az687722.{BLOCKED}o.msecnd.net/{random path}
- http://dlg-messages.{BLOCKED}n.de/1/dg/3
SOLUTION
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
Eliminar este valor del Registro
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\Shell Extensions\Cached
- {random string} = "\x01\x00\x00\x00\x00\x00\x00\x00\x02;\xec\xf0\xd9\xb4\xd5\x01"
Step 3
Buscar y eliminar estos archivos
- %User Temp%\DLG\loadingImage\loadingImage.bmp
- %User Temp%\DLG\ui\common\last\index.html
- %User Temp%\DLG\initWindow\progress.html
- %User Temp%\DLG\ui\common\progress\img\bar-lb.png
- %User Temp%\DLG\dlgres\DLG-Product-Logo.png
- %User Temp%\DLG\ui\common\progress\css\style.css
- %User Temp%\DLG\ui\common\progress\img\br-b.png
- %User Temp%\DLG\ui\common\progress\img\icon.png
- %User Temp%\DLG\ui\common\last\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\br-rb.png
- %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
- %User Temp%\DLG\ui\common\last\last.zip
- %User Temp%\DLG\initWindow\noconnection.html
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\progress.png
- %User Temp%\DLG\ui\common\base\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\css\style.css
- %User Temp%\DLG\ui\common\progress\img\bar-rb.png
- %User Temp%\DLG\ui\common\base\index.html
- %User Temp%\DLG\initWindow\css\style.css
- %User Temp%\DLG\ui\common\progress\progress.zip
- %User Temp%\DLG\ui\common\progress\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\index.html
- %User Temp%\DLG\ui\common\progress\progress.zip.part
- %User Temp%\DLG\ui\common\progress\img\151.gif
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\uifile.zip.part
- %User Temp%\DLG\ui\common\progress\img\img1.png
- %User Temp%\DLG\ui\common\progress\img\br-bg.png
- %User Temp%\DLG\ui\common\base\css\style.css
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\progress.png
- %User Temp%\DLG\ui\common\last\css\style.css
- %User Temp%\DLG\ui\common\last\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img\progress-bar.png
- %User Temp%\DLG\ui\common\base\base.zip.part
- %User Temp%\DLG\ui\common\last\last.zip.part
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\js\jquery-1.10.2.min.js
- %User Temp%\DLG\ui\common\base\base.zip
- %User Temp%\DLG\ui\common\progress\index.html
- %User Temp%\DLG\ui\common\progress\img\br-lb.png
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\uifile.zip
- %User Temp%\DLG\ui\common\progress\img\progress-bar.png
- %User Temp%\DLG\ui\common\progress\img\bar-bg.png
Step 4
Buscar y eliminar estas carpetas
- %User Temp%\DLG\ui\common\last\img
- %User Temp%\DLG\ui\offers
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\js
- %User Temp%\DLG\ui\common\last\js
- %User Temp%\DLG\ui\common\progress
- %User Temp%\DLG\loadingImage
- %User Temp%\DLG\ui\common\last
- %User Temp%\DLG\ui\common\progress\js
- %User Temp%\DLG\ui\common\progress\img
- %User Temp%\DLG\initWindow
- %User Temp%\DLG\ui\common\base\css
- %User Temp%\DLG\ui\common\base\js
- %User Temp%\DLG\ui\common\base
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52
- %User Temp%\DLG\ui\common\progress\css
- %User Temp%\DLG\ui\common
- %User Temp%\DLG\ui
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\css
- %User Temp%\DLG\ui\common\last\css
- %User Temp%\DLG\initWindow\css
- %User Temp%\DLG\dlgres
- %User Temp%\DLG\ui\offers\6feea63b754e32b1559652e5f9285c52\img
Step 5
Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como PUA.Win32.DownloadGuide.CB 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.
Step 6
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %User Temp%\DLG\test.part
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