Realmente no tengo idea por que al usar es spybot destroye la maquina se reinicia, use el ad adware se , y tengo el McAfee, esta actualizado tanto el antivirus como los spyware. es en celeron 1.7 , y tengo 256 mb de ram. disco duro de 80giga 8 megas buffer. aqui les coloco el HijackThis - v1.991 log
Logfile of HijackThis v1.99.1
Scan saved at 01:47:29 p.m., on 17/11/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
c:\ARCHIV~1\mcafee.com\vso\mcvsrte.exe
C:\ARCHIV~1\McAfee.com\PERSON~1\MPFSERVICE.exe
C:\ARCHIV~1\McAfee\SPAMKI~1\MSKSrvr.exe
c:\ARCHIV~1\mcafee.com\vso\mcshield.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\pctspk.exe
C:\WINDOWS\System32\PV92Tray.exe
C:\WINDOWS\System32\RunDll32.exe
C:\ARCHIV~1\mcafee.com\vso\mcvsshld.exe
C:\ARCHIV~1\mcafee.com\agent\mcagent.exe
C:\ARCHIV~1\mcafee.com\mps\mscifapp.exe
C:\ARCHIV~1\McAfee\SPAMKI~1\MSKAgent.exe
C:\ARCHIV~1\McAfee.com\PERSON~1\MpfTray.exe
c:\archiv~1\mcafee.com\vso\mcvsescn.exe
C:\WINDOWS\System32\ctfmon.exe
C:\ARCHIV~1\McAfee.com\PERSON~1\MpfAgent.exe
C:\Archivos de programa\Internet Explorer\iexplore.exe
E:\Documents and Settings\Documents and Settings\CARLOS\Mis documentos\descarga\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.co.ve/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Vínculos
O2 - BHO: McBrwHelper Class - {227B8AA8-DAF2-4892-BD1D-73F568BCB24E} - c:\archivos de programa\mcafee.com\mps\mcbrhlpr.dll
O2 - BHO: McAfee PopupKiller - {3EC8255F-E043-4cae-8B3B-B191550C2A22} - c:\archivos de programa\mcafee.com\mps\popupkiller.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\ARCHIV~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\archiv~1\mcafee.com\vso\mcvsshl.dll
O4 - HKLM\..\Run: [PCTVOICE] pctspk.exe
O4 - HKLM\..\Run: [PV92TRAY] PV92Tray.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [VSOCheckTask] "c:\ARCHIV~1\mcafee.com\vso\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] c:\ARCHIV~1\mcafee.com\vso\mcvsshld.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\ARCHIV~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] C:\ARCHIV~1\mcafee.com\agent\McUpdate.exe
O4 - HKLM\..\Run: [MPSExe] c:\ARCHIV~1\mcafee.com\mps\mscifapp.exe /embedding
O4 - HKLM\..\Run: [MSKAGENTEXE] C:\ARCHIV~1\McAfee\SPAMKI~1\MSKAgent.exe
O4 - HKLM\..\Run: [MSKDetectorExe] C:\ARCHIV~1\McAfee\SPAMKI~1\MskDetct.exe /startup
O4 - HKLM\..\Run: [MPFExe] C:\ARCHIV~1\McAfee.com\PERSON~1\MpfTray.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSKAGENTEXE] C:\ARCHIV~1\McAfee\SPAMKI~1\MSKAgent.exe
O16 - DPF: {3AE9ED90-4B59-47A0-873B-7B71554B3C3E} (JoystickCtl Class) - http://www.radicalplay.com/socca/joystick.cab
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/shared/mcinsctl/es/4,0,0,90/mcinsctl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1132160995522
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/shared/mcgdmgr/es/1,0,0,25/mcgdmgr.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{B07D8148-9AB0-4F46-AB4B-F280A3D90729}: NameServer = 200.44.32.12 200.44.32.13
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\ARCHIV~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: McAfee.com McShield (McShield) - Unknown owner - c:\ARCHIV~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\ARCHIV~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: McAfee.com VirusScan Online Realtime Engine (MCVSRte) - McAfee, Inc - c:\ARCHIV~1\mcafee.com\vso\mcvsrte.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - C:\ARCHIV~1\McAfee.com\PERSON~1\MPFSERVICE.exe
O23 - Service: McAfee SpamKiller Server (MskService) - McAfee Inc. - C:\ARCHIV~1\McAfee\SPAMKI~1\MSKSrvr.exe