Logfile Hijackthis: trojans!!

Bonjour!!!!! je viens de trouver ce site qui conseille , pour se débarraser des trojans et assimilés, de venir demander conseil ici après utilisation de Hijackthis....
Voici donc le logfile que j'ai obtenu :
Logfile of HijackThis v1.99.0
Scan saved at 23:32:10, on 14/01/2005
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:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\spupdsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\system32\spnpinst.exe
C:\WINDOWS\system32\Sysocmgr.exe
C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
C:\PROGRA~1\NORTON~1\navapw32.exe
C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe
C:\Program Files\SSC Service Utility\ssc_serv.exe
C:\Program Files\Creative\Shared Files\CAMTRAY.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Microsoft Office\Office\OSA.EXE
C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
C:\PROGRA~1\EUROBA~1\erobar.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\DU Meter\DUMeter.exe
C:\Documents and Settings\All Users\Documents\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\PROGRA~1\Wanadoo\SEARCH~1.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.02.3000.1002\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
O4 - HKLM\..\Run: [VTPreset] VTPreset.exe
O4 - HKLM\..\Run: [NAV Agent] C:\PROGRA~1\NORTON~1\navapw32.exe
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SSC Service Utility] C:\Program Files\SSC Service Utility\ssc_serv.exe /s
O4 - HKLM\..\Run: [Creative WebCam Tray] C:\Program Files\Creative\Shared Files\CAMTRAY.EXE
O4 - HKLM\..\Run: [DU Meter] C:\Program Files\DU Meter\DUMeter.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SkwatAutoconnect] C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - Startup: Eurobarre.lnk = C:\Program Files\eurobarre\eb.exe
O4 - Global Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Global Startup: Microsoft Recherche accélérée.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Pages liées - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html
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
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: {01FE8D0A-51AD-459B-B62B-85E135128B32} (DD_v4.DDv4) - http://www.drivershq.com/DD_v4.CAB
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1102881869916
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{641D4DE8-EA8B-46CF-B2A8-821882EDBDCC}: NameServer = 80.10.246.130 80.10.246.3
O23 - Service: ADSLAutoconnect - Unknown - C:\Program Files\ADSL Autoconnect\ADSL Autoconnect.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique - Unknown - C:\WINDOWS\System32\dmadmin.exe
O23 - Service: Journal des événements - Unknown - C:\WINDOWS\system32\services.exe
O23 - Service: Service COM de gravage de CD IMAPI - Unknown - C:\WINDOWS\System32\imapi.exe
O23 - Service: Partage de Bureau à distance NetMeeting - Unknown - C:\WINDOWS\System32\mnmsrvc.exe
O23 - Service: Norton AntiVirus Auto Protect Service - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Plug-and-Play - Unknown - C:\WINDOWS\system32\services.exe
O23 - Service: Gestionnaire de session d'aide sur le Bureau à distance - Unknown - C:\WINDOWS\system32\sessmgr.exe
O23 - Service: ScriptBlocking Service - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Carte à puce - Unknown - C:\WINDOWS\System32\SCardSvr.exe
O23 - Service: Symantec Network Drivers Service - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: Journaux et alertes de performance - Unknown - C:\WINDOWS\system32\smlogsvc.exe
O23 - Service: Cliché instantané de volume - Unknown - C:\WINDOWS\System32\vssvc.exe
O23 - Service: Carte de performance WMI - Unknown - C:\WINDOWS\System32\wbem\wmiapsrv.exe

Que dois-je faire????
Si vous pouvez m'aider à me débarrasser de ces choses...
Merci de votre attention!!!!