hola!!

he seguido tus consejos y ahora cuando paso el ewido no me sale nada pero cuando pasé el kaspersky me detectó 3 virus!!! como puedo eliminarlos? pueden ser los causantes que el ordenador me vaya tan lento? he mirado la CPU y esta a 100% tiene esto algo que ver?
Muchisimas gracias por vuestra ayuda!!!

Aqui te pego los resultados del antivirus:
Friday, September 01, 2006 11:18:00 PM
Operating System: Microsoft Windows XP Professional, Service Pack 2 (Build 2600)
Kaspersky Online Scanner version: 5.0.83.0
Kaspersky Anti-Virus database last update: 1/09/2006
Kaspersky Anti-Virus database records: 207149


Scan Settings
Scan using the following antivirus database standard
Scan Archives true
Scan Mail Bases true

Scan Target My Computer
A:\
C:\
D:\
E:\

Scan Statistics
Total number of scanned objects 29477
Number of viruses found 3
Number of infected objects 3 / 0
Number of suspicious objects 0
Duration of the scan process 02:01:38

Infected Object Name Virus Name Last Action
C:\Archivos de programa\ESET\cache\CACHE.NDB Object is locked skipped

C:\Archivos de programa\ESET\infected\B0SRKVDA.NQF Infected: Trojan-Downloader.Win32.Small.cdh skipped

C:\Archivos de programa\ESET\infected\FBSW2TBA.NQF Infected: Trojan.Win32.Dialer.eg skipped

C:\Archivos de programa\ESET\infected\RCUJ2BAA.NQF Infected: Trojan-Downloader.Win32.Banload.nu skipped

C:\Archivos de programa\ESET\logs\virlog.dat Object is locked skipped

C:\Archivos de programa\ESET\logs\warnlog.dat Object is locked skipped

C:\Documents and Settings\All Users\Datos de programa\Microsoft\Network\Downloader\qmgr0.dat Object is locked skipped

C:\Documents and Settings\All Users\Datos de programa\Microsoft\Network\Downloader\qmgr1.dat Object is locked skipped

C:\Documents and Settings\LocalService\Configuración local\Archivos temporales de Internet\Content.IE5\index.dat Object is locked skipped

C:\Documents and Settings\LocalService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped

C:\Documents and Settings\LocalService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped

C:\Documents and Settings\LocalService\Configuración local\Historial\History.IE5\index.dat Object is locked skipped

C:\Documents and Settings\LocalService\Cookies\index.dat Object is locked skipped

C:\Documents and Settings\LocalService\NTUSER.DAT Object is locked skipped

C:\Documents and Settings\LocalService\ntuser.dat.LOG Object is locked skipped

C:\Documents and Settings\NetworkService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped

C:\Documents and Settings\NetworkService\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped

C:\Documents and Settings\NetworkService\NTUSER.DAT Object is locked skipped

C:\Documents and Settings\NetworkService\ntuser.dat.LOG Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Archivos temporales de Internet\Content.IE5\index.dat Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Datos de programa\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Historial\History.IE5\index.dat Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Historial\History.IE5\MSHist0120060901200609 02\index.dat Object is locked skipped

C:\Documents and Settings\Xp\Configuración local\Temp\Perflib_Perfdata_994.dat Object is locked skipped

C:\Documents and Settings\Xp\Cookies\index.dat Object is locked skipped

C:\Documents and Settings\Xp\NTUSER.DAT Object is locked skipped

C:\Documents and Settings\Xp\ntuser.dat.LOG Object is locked skipped

C:\System Volume Information\MountPointManagerRemoteDatabase Object is locked skipped

C:\WINDOWS\Debug\PASSWD.LOG Object is locked skipped

C:\WINDOWS\SchedLgU.Txt Object is locked skipped

C:\WINDOWS\SoftwareDistribution\Download\S-1-5-18\b8552fbf1583ed2053d637a027e71a70\download\BIT1C 3.tmp Object is locked skipped

C:\WINDOWS\SoftwareDistribution\ReportingEvents.lo g Object is locked skipped

C:\WINDOWS\Sti_Trace.log Object is locked skipped

C:\WINDOWS\system32\CatRoot2\edb.log Object is locked skipped

C:\WINDOWS\system32\CatRoot2\tmp.edb Object is locked skipped

C:\WINDOWS\system32\config\AppEvent.Evt Object is locked skipped

C:\WINDOWS\system32\config\default Object is locked skipped

C:\WINDOWS\system32\config\default.LOG Object is locked skipped

C:\WINDOWS\system32\config\SAM Object is locked skipped

C:\WINDOWS\system32\config\SAM.LOG Object is locked skipped

C:\WINDOWS\system32\config\SecEvent.Evt Object is locked skipped

C:\WINDOWS\system32\config\SECURITY Object is locked skipped

C:\WINDOWS\system32\config\SECURITY.LOG Object is locked skipped

C:\WINDOWS\system32\config\software Object is locked skipped

C:\WINDOWS\system32\config\software.LOG Object is locked skipped

C:\WINDOWS\system32\config\SysEvent.Evt Object is locked skipped

C:\WINDOWS\system32\config\system Object is locked skipped

C:\WINDOWS\system32\config\system.LOG Object is locked skipped

C:\WINDOWS\system32\h323log.txt Object is locked skipped

C:\WINDOWS\system32\spool\PRINTERS\00003.SPL Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\INDEX.BTR Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\INDEX.MAP Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\MAPPING.VER Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\MAPPING1.MA P Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\MAPPING2.MA P Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\OBJECTS.DAT A Object is locked skipped

C:\WINDOWS\system32\wbem\Repository\FS\OBJECTS.MAP Object is locked skipped

C:\WINDOWS\wiadebug.log Object is locked skipped

C:\WINDOWS\wiaservc.log Object is locked skipped

C:\WINDOWS\WindowsUpdate.log Object is locked skipped

Scan process completed.