Author: Patrick Angelo Roderno   
 

Trojan.Mdropper (NORTON); DOC/TrojanDownloader.Agent.FI trojan (NOD32); X97M.Downloader.BI (QUICKHEAL)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL::
 DISTRIBUTION POTENTIAL::
 REPORTED INFECTION:
 INFORMATION EXPOSURE:
Low
Medium
High
Critical

  • Threat Type:
    Trojan

  • Destructiveness:
    No

  • Encrypted:
    No

  • In the wild::
    Yes

  OVERVIEW

INFECTION CHANNEL: Eliminado por otro tipo de malware, Descargado de Internet

Después ejecuta los archivos descargados. Como resultado, en el sistema afectado se muestran las rutinas maliciosas de los archivos descargados. No obstante, de este modo no se podrá acceder a los sitios mencionados.

  TECHNICAL DETAILS

File size: 2,691,024 bytes
File type: RTF
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 08 de февраля de 2018
PAYLOAD: Modifies system registry, Connects to URLs/IPs, Downloads files

Otras modificaciones del sistema

Modifica las siguientes entradas de registro:

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Word\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Word\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Word\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\PowerPoint\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\PowerPoint\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\PowerPoint\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Excel\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Excel\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Excel\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Word\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Word\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Word\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\PowerPoint\
Security\ProtectedView
DisableInternetFiles = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\PowerPoint\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\PowerPoint\
Security\ProtectedView
DisableUnsafeLocations = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Excel\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Excel\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Excel\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Word\
Security\ProtectedView
DisableInternetFiles = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Word\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Word\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\PowerPoint\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\PowerPoint\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\PowerPoint\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Excel\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Excel\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Excel\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Word\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\PowerPoint\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\PowerPoint\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\PowerPoint\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\PowerPoint\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\PowerPoint\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Excel\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Excel\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Excel\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Excel\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Excel\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Word\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Word\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Word\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\PowerPoint\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\PowerPoint\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\PowerPoint\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Excel\
Security\ProtectedView
DisableInternetFiles = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Excel\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\11.0\Excel\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Word\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\14.0\Word\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\15.0\Word\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\16.0\Word\
Security
VBAWarnings = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Word\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Word\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Word\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\PowerPoint\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\PowerPoint\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\PowerPoint\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Excel\
Security\ProtectedView
DisableInternetFilesInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKEY_CURRENT_USER\Software\Microsoft\
Office\12.0\Excel\
Security\ProtectedView
DisableUnsafeLocationsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

HKCU\Software\Microsoft\
Office\12.0\Excel\
Security\ProtectedView
DisableAttachmentsInPV = "1"

(Note: The default value data of the said registry entry is "0".)

Rutina de descarga

Guarda los archivos que descarga con los nombres siguientes:

  • %System Root%\Users\Public\svchost32.vbs

(Nota: %System Root% es la carpeta raíz, normalmente C:\. También es la ubicación del sistema operativo).

)

Después ejecuta los archivos descargados. Como resultado, en el sistema afectado se muestran las rutinas maliciosas de los archivos descargados.

No obstante, de este modo no se podrá acceder a los sitios mencionados.

  SOLUTION

Minimum scan engine: 9.850
First VSAPI Pattern File: 14.104.07
First VSAPI Pattern Release Date: 02 de марта de 2018
VSAPI OPR PATTERN-VERSION: 14.105.00
VSAPI OPR PATTERN DATE: 03 de марта de 2018

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 3

Reiniciar en modo seguro

[ learnMore ]

Step 4

Identificar y terminar los archivos detectados como TROJ_QUSARRATDL.A

[ learnMore ]
  1. Para los usuarios de Windows 98 y ME, puede que el Administrador de tareas de Windows no muestre todos los procesos en ejecución. En tal caso, utilice un visor de procesos de una tercera parte (preferiblemente, el Explorador de procesos) para terminar el archivo de malware/grayware/spyware. Puede descargar la herramienta en cuestión aquí.
  2. Si el archivo detectado aparece en el Administrador de tareas o en el Explorador de procesos, pero no puede eliminarlo, reinicie el equipo en modo seguro. Para ello, consulte este enlace para obtener todos los pasos necesarios.
  3. Si el archivo detectado no se muestra en el Administrador de tareas o el Explorador de procesos, prosiga con los pasos que se indican a continuación.

Step 5

Restaurar este valor del Registro modificado

[ 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\Office\11.0\Word\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Word\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Word\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Word\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Excel\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Excel\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Excel\Security
    • From: VBAWarnings = "1"
      To: VBAWarnings = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Word\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Word\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Word\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\PowerPoint\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Excel\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Excel\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Excel\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Word\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Word\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Word\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\PowerPoint\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\PowerPoint\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Word\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Word\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Word\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Excel\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Excel\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Excel\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Word\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Word\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Word\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView
    • From: DisableInternetFilesInPV = "1"
      To: DisableInternetFilesInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView
    • From: DisableAttachmentsInPV = "1"
      To: DisableAttachmentsInPV = "0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView
    • From: DisableUnsafeLocationsInPV = "1"
      To: DisableUnsafeLocationsInPV = "0"

Step 6

Buscar y eliminar estos archivos

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Puede que algunos de los archivos del componente estén ocultos. Asegúrese de que tiene activada la casilla Buscar archivos y carpetas ocultos en la opción "Más opciones avanzadas" para que el resultado de la búsqueda incluya todos los archivos y carpetas ocultos.
  • %System Root%\Users\Public\svchost32.vbs
  • %System%\Tasks\WindowsUpdate
DATA_GENERIC_FILENAME_1
  • En la lista desplegable Buscar en, seleccione Mi PC y pulse Intro.
  • Una vez haya encontrado el archivo, selecciónelo y, a continuación, pulse MAYÚS+SUPR para eliminarlo definitivamente.
  • Repita los pasos 2 a 4 con el resto de archivos:
      • %System Root%\Users\Public\svchost32.vbs
      • %System%\Tasks\WindowsUpdate

    • Step 7

    Reinicie en modo normal y explore el equipo con su producto de Trend Micro para buscar los archivos identificados como TROJ_QUSARRATDL.A 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 8

    Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como TROJ_QUSARRATDL.A 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.


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