Mon pc fait des siennes en ce moment,firefox s'affiche a l'ecran quand il le veut,Explorer lui ne va plus

Le pc est Extrêmement long au démarrage et reste bloqué,j'ai quand même réussi a passer un pti coup de Malwarebytes et il ma trouvé ceci:
Malwarebytes' Anti-Malware 1.50.1.1100
http://www.malwarebytes.org
Version de la base de données: 6528
Windows 5.1.2600 Service Pack 3
Internet Explorer 6.0.2900.5512
07/05/2011 23:41:18
mbam-log-2011-05-07 (23-41-18).txt
Type d'examen: Examen complet (C:\|)
Elément(s) analysé(s): 199816
Temps écoulé: 26 minute(s), 22 seconde(s)
Processus mémoire infecté(s): 2
Module(s) mémoire infecté(s): 0
Clé(s) du Registre infectée(s): 2
Valeur(s) du Registre infectée(s): 5
Elément(s) de données du Registre infecté(s): 0
Dossier(s) infecté(s): 0
Fichier(s) infecté(s): 9
Processus mémoire infecté(s):
c:\documents and settings\mad\application data\googletoolbar\googleupdater.exe (Spyware.Passwords.XGen) -> 1652 -> Unloaded process successfully.
c:\WINDOWS\system32\install\explorer.exe (Trojan.Agent) -> 3112 -> Unloaded process successfully.
Module(s) mémoire infecté(s):
(Aucun élément nuisible détecté)
Clé(s) du Registre infectée(s):
HKEY_CLASSES_ROOT\CLSID\{J38LX50C-UU07-H2HN-LM04-50SERB4G00P0} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{J38LX50C-UU07-H2HN-LM04-50SERB4G00P0} (Trojan.Agent) -> Quarantined and deleted successfully.
Valeur(s) du Registre infectée(s):
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdater.exe (Spyware.Passwords.XGen) -> Value: GoogleUpdater.exe -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKLM (Trojan.Agent) -> Value: HKLM -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies (Trojan.Agent) -> Value: Policies -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU (Trojan.Agent) -> Value: HKCU -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies (Trojan.Agent) -> Value: Policies -> Quarantined and deleted successfully.
Elément(s) de données du Registre infecté(s):
(Aucun élément nuisible détecté)
Dossier(s) infecté(s):
(Aucun élément nuisible détecté)
Fichier(s) infecté(s):
c:\documents and settings\mad\application data\googletoolbar\googleupdater.exe (Spyware.Passwords.XGen) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\install\explorer.exe (Trojan.Agent) -> Quarantined and deleted successfully.
c:\documents and settings\mad\application data\logs.dat (Bifrose.Trace) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\MSN.abc (Malware.Trace) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\UuU.uUu (Malware.Trace) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\XxX.xXx (Malware.Trace) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\xxxyyyzzz.dat (Malware.Trace) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\teste.vbs (Trojan.VBS) -> Quarantined and deleted successfully.
c:\documents and settings\mad\local settings\Temp\dclogs.sys (Stolen.Data) -> Quarantined and deleted successfully.
Ca a l'air d'aller mieux

Avec le rapport Hijack le raport est il saint?
Merci!
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 23:58:28, on 07/05/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)
Boot mode: Normal
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\Program Files\Online Armor\OAcat.exe
C:\Program Files\Online Armor\oasrv.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Online Armor\OAui.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Program Files\Online Armor\OAhlp.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\CDBurnerXP\NMSAccessU.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\PnkBstrA.exe
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Avira\AntiVir Desktop\avmailc.exe
C:\Program Files\Avira\AntiVir Desktop\AVWEBGRD.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\system32\dllhost.exe
C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_clipbook.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\mad\Bureau\Logiciels\HiJackThis.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\SoftwareDistribution\Download\193974165163fb0a86c948f99c26948b\update\update.exe
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,C:\Documents and Settings\mad\Application Data\GoogleToolbar\GoogleUpdater.exe,
O2 - BHO: SnagIt Toolbar Loader - {00C6482D-C502-44C8-8409-FCE54AD9C208} - C:\Program Files\TechSmith\SnagIt 9\SnagItBHO.dll
O2 - BHO: HP Print Enhancer - {0347C33E-8762-4905-BF09-768834316C61} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_printenhancer.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: FlashFXP Helper for Internet Explorer - {E5A1691B-D188-4419-AD02-90002030B8EE} - C:\PROGRA~1\FlashFXP\IEFlash.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: HP Smart BHO Class - {FFFFFFFF-CF4E-4F2B-BDC2-0E72E116A856} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
O3 - Toolbar: SnagIt - {8FF5E183-ABDE-46EB-B09E-D2AAB95CABE3} - C:\Program Files\TechSmith\SnagIt 9\SnagItIEAddin.dll
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [@OnlineArmor GUI] "C:\Program Files\Online Armor\OAui.exe"
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O8 - Extra context menu item: &Envoyer à OneNote - res://C:\PROGRA~1\MICROS~4\Office14\ONBttnIE.dll/105
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office14\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\Office12\REFIEBAR.DLL
O9 - Extra button: Sélection intelligente HP - {DDE87865-83C5-48c4-8357-2F5B1AA84522} - C:\Program Files\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupda ... 5938056093
O16 - DPF: {E77F23EB-E7AB-4502-8F37-247DBAF1A147} (Windows Live Hotmail Photo Upload Tool) - http://gfx1.hotmail.com/mail/w4/m3/phot ... NPUpld.cab
O22 - SharedTaskScheduler: Pré-chargeur Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Démon de cache des catégories de composant - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Avira AntiVir MailGuard (AntiVirMailService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avmailc.exe
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Avira AntiVir WebGuard (AntiVirWebService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\AVWEBGRD.EXE
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - Unknown owner - C:\WINDOWS\System32\dmadmin.exe
O23 - Service: ES lite Service for program management. (ES lite Service) - Unknown owner - C:\Program Files\Gigabyte\EasySaver\ESSVR.EXE
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: Service COM de gravage de CD IMAPI (ImapiService) - Unknown owner - C:\WINDOWS\system32\imapi.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Ma-Config Service (maconfservice) - Unknown owner - C:\Program Files\ma-config.com\maconfservice.exe
O23 - Service: Partage de Bureau à distance NetMeeting (mnmsrvc) - Unknown owner - C:\WINDOWS\system32\mnmsrvc.exe
O23 - Service: NMSAccess - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: Online Armor Helper Service (OAcat) - Unknown owner - C:\Program Files\Online Armor\OAcat.exe
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: Gestionnaire de session d'aide sur le Bureau à distance (RDSessMgr) - Unknown owner - C:\WINDOWS\system32\sessmgr.exe
O23 - Service: Carte à puce (SCardSvr) - Unknown owner - C:\WINDOWS\System32\SCardSvr.exe
O23 - Service: ServiceLayer - Nokia - C:\Program Files\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: Online Armor (SvcOnlineArmor) - Unknown owner - C:\Program Files\Online Armor\oasrv.exe
O23 - Service: Journaux et alertes de performance (SysmonLog) - Unknown owner - C:\WINDOWS\system32\smlogsvc.exe
O23 - Service: Cliché instantané de volume (VSS) - Unknown owner - C:\WINDOWS\System32\vssvc.exe
O23 - Service: Carte de performance WMI (WmiApSrv) - Unknown owner - C:\WINDOWS\system32\wbem\wmiapsrv.exe
O23 - Service: Service Partage réseau du Lecteur Windows Media (WMPNetworkSvc) - Unknown owner - C:\Program Files\Windows Media Player\WMPNetwk.exe
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End of file - 7642 bytes