Certainement un trojan

slt a tous! voila tout d'abord ma page de demarage cha,ge sans que je lui demande( e tchange de nom a chaque foi que je la vire).le probleme c'est que ca me bloque ma connection internet donc je ne peux plus allé sur internet avec ce pc...si quelqu'un peux m'aider

Logfile of HijackThis v1.99.1
Scan saved at 16:41:08, on 16/07/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\P2P Networking\P2P Networking.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
c:\progra~1\intern~1\iexplore.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\WINDOWS\explorer.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Documents and Settings\Bob\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.tpcytdofdoex.com/GWH3vAiAp/ZuIgaHl5QCx3MNuWFTdH6gCUvMX0YKTO2kZeSOTlUB8fugR/UdGuSA.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.be/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {FD51741F-30D8-4FE3-932C-7BB0295F5DE6} - C:\DOCUME~1\Bob\APPLIC~1\MATHGP~1\Open 1.exe
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [WorksFUD] C:\Program Files\Microsoft Works\wkfud.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\System32\P2P Networking\P2P Networking.exe /AUTOSTART
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [Beep Once Hold Part] C:\Documents and Settings\All Users\Application Data\FILMBENDBEEPONCE\default real.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [axis coal] C:\DOCUME~1\Bob\APPLIC~1\OBJMP3~1\vcpeak.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ?
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: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} (Web P2P Installer) -
O16 - DPF: {1F831FA7-42FC-11D4-95A6-0080AD30DCE1} (InstaFred) - file://C:\Program Files\AutoCAD LT 2002 Fra\InstFred.ocx
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {AE563727-B4F5-11D4-A415-00108302FDFD} (NOXLATE-BANR) - file://C:\Program Files\AutoCAD LT 2002 Fra\InstBanr.ocx
O16 - DPF: {F281A59C-7B65-11D3-8617-0010830243BD} (Gestion d'AcPreview) - file://C:\Program Files\AutoCAD LT 2002 Fra\AcPreview.ocx
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary/SolitaireShowdown.cab31267.cab
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\System32\drivers\CDAC11BA.EXE
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe