Despues de tanto mandar y leer logs, al ver este ultimo en mi computador me parece que podrian haber algunos elementos extraños. Ojala puedan ayudarme, muchas gracias; el log es el siguiente:

Logfile of HijackThis v1.99.1
Scan saved at 19:18:54, on 23/09/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\Explorer.EXE
C:\windows\system\hpsysdrv.exe
C:\Program Files\HP\Digital Imaging\Unload\hpqcmon.exe
C:\WINDOWS\System32\hphmon05.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\Multimedia Card Reader\shwicon2k.exe
C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE
C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Creative\Shared Files\CAMTRAY.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Messenger\msmsgs.exe
C:\PROGRA~1\HPPAVI~1\Pavilion\XPHWWBP4\plugin\bin\ PCHButton.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
C:\Program Files\Network Associates\VirusScan\Mcshield.exe
C:\Program Files\Network Associates\VirusScan\VsTskMgr.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\ISTsvc\istsvc.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Propriétaire\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.axa.be/hb/nl/home.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O3 - Toolbar: HP View - {B2847E28-5D7D-4DEB-8B67-05D28BCF79F5} - c:\Program Files\HP\Digital Imaging\bin\hpdtlk02.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [CamMonitor] c:\Program Files\HP\Digital Imaging\Unload\hpqcmon.exe
O4 - HKLM\..\Run: [HPHUPD05] c:\Program Files\HP\{45B6180B-DCAB-4093-8EE8-6164457517F0}\hphupd05.exe
O4 - HKLM\..\Run: [HPHmon05] C:\WINDOWS\System32\hphmon05.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [Sunkist2k] C:\Program Files\Multimedia Card Reader\shwicon2k.exe
O4 - HKLM\..\Run: [SetDefaultPrinter] c:\hp\bin\cloaker.exe c:\windows\system32\cmd.exe /c c:\hp\bin\defaultprinter\SetDefaultPrinter.cmd
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Creative WebCam Tray] C:\Program Files\Creative\Shared Files\CAMTRAY.EXE
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [XeEFE16] C:\WINDOWS\cuhqjgc.exe

Hola granwodan

Bienvenida al foro de InfoSpyware

Antes de nada descargate Hijackthis 1.99.1 con instalador propio ya que este que tienes no lo tienes en el lugar correspondiente, luego nos pones un nuevo log completo.

Aqui tienes un tutorial flash de como generar un log de hijackthis