Merci de la réponse, ai pris un peu de temps, voici le rapport:

Logfile of HijackThis v1.99.1
Scan saved at 22:30:59, on 12/04/2007
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Spyware Doctor\svcntaux.exe
C:\Program Files\Spyware Doctor\swdsvc.exe
C:\WINNT\system32\stisvc.exe
C:\Program Files\Timbuktu Pro\tb2launch.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\WINNT\system32\atiptaxx.exe
C:\Program Files\Timbuktu Pro\tb2logon.exe
C:\Program Files\Winamp\winampa.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Timbuktu Pro\tb2pro.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Adobe\Photoshop Album Edition Découverte\3.0\Apps\apdproxy.exe
C:\Program Files\Spyware Doctor\SDTrayApp.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
C:\Program Files\OpenOffice.org 2.0\program\soffice.exe
C:\Program Files\OpenOffice.org 2.0\program\soffice.BIN
C:\Program Files\Timbuktu Pro\TNOTIFY.EXE
C:\Program Files\Google\Google Desktop Search\GoogleDesktopIndex.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktopCrawl.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktopOE.exe
C:\Program Files\Java\jre1.5.0_06\bin\jucheck.exe
C:\Program Files\Brownie\brstswnd.exe
C:\Program Files\Brownie\Brcdcmon.exe
C:\Program Files\a-squared Anti-Malware\a2guard.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\WINNT\system32\NOTEPAD.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\7-Zip\7zFMn.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINNT\system32\ntvdm.exe
C:\Scanner.exe.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://wanadoo.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\ycomp5_5_7_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\ycomp5_5_7_0.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [TLogonPath] "C:\Program Files\Timbuktu Pro\tb2logon.exe"
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Adobe Photo Downloader] "C:\Program Files\Adobe\Photoshop Album Edition Découverte\3.0\Apps\apdproxy.exe"
O4 - HKLM\..\Run: [ItsTV] "C:\Program Files\Its Label\ItsTV\ItsTV.exe"
O4 - HKLM\..\Run: [fwohpphxqa] c:\winnt\system32\fwohpphxqa.exe fwohpphxqa
O4 - HKLM\..\Run: [SDTray] "C:\Program Files\Spyware Doctor\SDTrayApp.exe"
O4 - HKLM\..\Run: [a-squared] "C:\Program Files\a-squared Anti-Malware\a2guard.exe"
O4 - HKCU\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - Startup: OpenOffice.org 2.0.lnk = C:\Program Files\OpenOffice.org 2.0\program\quickstart.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O16 - DPF: {8436FE12-31DB-48BF-83BF-FE682F9160B4} (NanoInstaller Class) - http://www.nanoscan.com/cabs/nanoinst.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (a-squared Scanner) - http://ax.emsisoft.com/asquared.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{6728DB4E-9778-4343-925D-6CC4FA2C6398}: NameServer = 80.10.246.2,80.10.246.129
O17 - HKLM\System\CS1\Services\Tcpip\..\{6728DB4E-9778-4343-925D-6CC4FA2C6398}: NameServer = 80.10.246.2,80.10.246.129
O17 - HKLM\System\CS2\Services\Tcpip\..\{6728DB4E-9778-4343-925D-6CC4FA2C6398}: NameServer = 80.10.246.2,80.10.246.129
O20 - Winlogon Notify: Timbuktu Pro - C:\Program Files\Timbuktu Pro\Hook32.dll
O23 - Service: Avertissement (Alerter) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Gestion d'applications (AppMgmt) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Service de transfert intelligent en arrière-plan (BITS) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Explorateur d'ordinateur (Browser) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Client DHCP (Dhcp) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Gestionnaire de disque logique (dmserver) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Client DNS (Dnscache) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Système d'événements de COM+ (EventSystem) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Serveur (lanmanserver) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Station de travail (lanmanworkstation) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Service d'application d'assistance TCP/IP NetBIOS (LmHosts) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Ouverture de session réseau (Netlogon) - Unknown owner - C:\WINNT\System32\lsass.exe
O23 - Service: Connexions réseau (Netman) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Fournisseur de la prise en charge de sécurité LM NT (NtLmSsp) - Unknown owner - C:\WINNT\System32\lsass.exe
O23 - Service: Médias amovibles (NtmsSvc) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Agent de stratégie IPSEC (PolicyAgent) - Unknown owner - C:\WINNT\System32\lsass.exe
O23 - Service: Emplacement protégé (ProtectedStorage) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Gestionnaire de connexion automatique d'accès distant (RasAuto) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Gestionnaire de connexions d'accès distant (RasMan) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Service d'accès à distance au Registre (RemoteRegistry) - Unknown owner - C:\WINNT\system32\regsvc.exe
O23 - Service: Appel de procédure distante (RPC) (RpcSs) - Unknown owner - C:\WINNT\system32\svchost.exe
O23 - Service: Gestionnaire de comptes de sécurité (SamSs) - Unknown owner - C:\WINNT\system32\lsass.exe
O23 - Service: Planificateur de tâches (Schedule) - Unknown owner - C:\WINNT\system32\MSTask.exe
O23 - Service: Spyware Doctor Auxiliary Service (sdAuxService) - Unknown owner - C:\Program Files\Spyware Doctor\svcntaux.exe
O23 - Service: Spyware Doctor Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\swdsvc.exe
O23 - Service: Service d'exécution par délégation (seclogon) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Notification d'événement système (SENS) - Unknown owner - C:\WINNT\system32\svchost.exe
O23 - Service: Partage de connexion Internet (SharedAccess) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Spouleur d'impression (Spooler) - Unknown owner - C:\WINNT\system32\spoolsv.exe
O23 - Service: Still Image Service (StiSvc) - Unknown owner - C:\WINNT\system32\stisvc.exe
O23 - Service: Téléphonie (TapiSrv) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Tb2 Launch (Tb2Launch) - Unknown owner - C:\Program Files\Timbuktu Pro\tb2launch.exe
O23 - Service: Client de suivi de lien distribué (TrkWks) - Unknown owner - C:\WINNT\system32\services.exe
O23 - Service: Horloge Windows (W32Time) - Unknown owner - C:\WINNT\System32\services.exe
O23 - Service: Infrastructure de gestion Windows (WinMgmt) - Unknown owner - C:\WINNT\System32\WBEM\WinMgmt.exe
O23 - Service: WMDM PMSP Service - Unknown owner - C:\WINNT\system32\mspmspsv.exe
O23 - Service: Service de numéro de série du lecteur multimédia portable (WmdmPmSN) - Unknown owner - C:\WINNT\System32\svchost.exe
O23 - Service: Extensions du pilote WMI (Wmi) - Unknown owner - C:\WINNT\system32\Services.exe
O23 - Service: Mises à jour automatiques (wuauserv) - Unknown owner - C:\WINNT\system32\svchost.exe
O23 - Service: Configuration sans fil (WZCSVC) - Unknown owner - C:\WINNT\System32\svchost.exe