Gracias anleg. El malware bytes encontró algunas novedades que detallo en el reporte.

Cualquier suegerencia te agradeceré.

Malwarebytes' Anti-Malware 1.24
Versión de la Base de Datos: 1018
Windows 5.1.2600 Service Pack 3

21:47:26 02/08/2008
mbam-log-8-2-2008 (21-47-26).txt

Tipo de examen : Examen Completo (C:\|D:\|G:\|)
Objetos examinados: 106275
Tiempo transcurrido: 17 minute(s), 33 second(s)

Procesos en Memoria Infectados: 0
Módulos en Memoria Infectados: 0
Claves del Registro Infectadas: 1
Valores del Registro Infectados: 4
Elementos de Datos del Registro Infectados: 4
Carpetas Infectadas: 1
Ficheros Infectados: 13

Procesos en Memoria Infectados:
(No se han detectado elementos maliciosos)

Módulos en Memoria Infectados:
(No se han detectado elementos maliciosos)

Claves del Registro Infectadas:
HKEY_CLASSES_ROOT\CLSID\{38bf827a-d7c5-46e1-a9a2-47b1b5bb5438} (Trojan.Zlob) -> Quarantined and deleted successfully.

Valores del Registro Infectados:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\{38bf827a-d7c5-46e1-a9a2-47b1b5bb5438} (Trojan.Zlob) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\searchmigrateddefaulturl (Trojan.Zlob) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\SearchUrl\w\ (Trojan.Zlob) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\searchurl (Trojan.Zlob) -> Delete on reboot.

Elementos de Datos del Registro Infectados:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\SearchUrl\w\ (Hijack.Search) -> Bad: (http://internetsearchservice.com/search?q=%s) Good: (http://www.google.com/) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\SearchURL (Hijack.Search) -> Bad: (http://internetsearchservice.com) Good: (http://www.google.com/) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\SearchMigratedDefaultURL (Hijack.Search) -> Bad: (http://internetsearchservice.com/search?q={searchTerms}) Good: (http://www.google.com/) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Explorer\Advanced\Folder\Hidden\SHOWALL \CheckedValue (Hijack.System.Hidden) -> Bad: (0) Good: (1) -> Quarantined and deleted successfully.

Carpetas Infectadas:
C:\WINDOWS\system32\804031 (Trojan.BHO) -> Quarantined and deleted successfully.

Ficheros Infectados:
C:\Archivos de programa\Applications\iebr.dll (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\iebt.dll (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\iebtu.exe (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\iebu.exe (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\myd.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\mym.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\myp.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\myv.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\ot.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\ts.ico (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\wcm.exe (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\wcs.exe (Trojan.Zlob) -> Quarantined and deleted successfully.
C:\Archivos de programa\Applications\wcu.exe (Trojan.Zlob) -> Quarantined and deleted successfully.