Un virus sur le pc!

bonsoir!
j'ai un soucis avec mon pc qui a chope un virus dont je n'arrive pas a me debarasse!
j'ai fait une analyse avec hijackthis dont voici ci dessous le compte rendu. pouvez vous me guider pour supprimer le virus merci d'avance et bonne soiree

Logfile of HijackThis v1.99.1
Scan saved at 21:01:20, on 01/12/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wdfmgr.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\Wallpaper\Wallpaper.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
c:\progra~1\intern~1\iexplore.exe
C:\Program Files\Spyware Doctor\swdoctor.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Avant Browser\avant.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Norton AntiVirus\OPScan.exe
C:\Program Files\a2 Free\a2start.exe
C:\Program Files\a2 Free\a2scan.exe
C:\Documents and Settings\Marie\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://www.google.fr/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = c:\secure32.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://tqzvkewgnionurbw.biz/2zKOhDnnRAq7q4S2HxI7Dg8URydVwJftmUQA5d2CcYALrhXg0GLfI9WtQFLlHpNw.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = c:\secure32.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = c:\secure32.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = c:\secure32.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = c:\secure32.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Idea2 SidebarBrowserMonitor Class - {45AD732C-2CE2-4666-B366-B2214AD57A49} - C:\Program Files\Desktop Sidebar\sbhelp.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Web assistant - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\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: Web assistant - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Wallpaper] "C:\Program Files\Wallpaper\Wallpaper.exe" Starter
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKCU\..\Run: [VGA DART] C:\DOCUME~1\Marie\APPLIC~1\FORKLI~1\Dead Bows.exe
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O8 - Extra context menu item: &Add animation to IncrediMail Style Box - C:\PROGRA~1\INCRED~1\bin\resources\WebMenuImg.htm
O8 - Extra context menu item: Bloquer ce serveur... - C:\Program Files\Avant Browser\AddAllToADBlackList.htm
O8 - Extra context menu item: Bloquer cette publicité... - C:\Program Files\Avant Browser\AddToADBlackList.htm
O8 - Extra context menu item: Choisir comme avatar MSN - C:\Program Files\MSN Pictures Displayer\AddIEPicture.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Ouvrir dans une nouvelle fenêtre d'Avant Browser - C:\Program Files\Avant Browser\OpenInNewBrowser.htm
O8 - Extra context menu item: Ouvrir tous les liens de la page... - C:\Program Files\Avant Browser\OpenAllLinks.htm
O8 - Extra context menu item: Rechercher sur le Web... - C:\Program Files\Avant Browser\Search.htm
O8 - Extra context menu item: Subscribe in Desktop Sidebar - res://C:\Program Files\Desktop Sidebar\sbhelp.dll/menuhandler.html
O8 - Extra context menu item: Surligner - C:\Program Files\Avant Browser\Highlight.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra button: Subscribe in Desktop Sidebar - {09FE188B-6E85-479e-9411-51FB2220DF80} - C:\Program Files\Desktop Sidebar\sbhelp.dll
O9 - Extra 'Tools' menuitem: Subscribe in Desktop Sidebar - {09FE188B-6E85-479e-9411-51FB2220DF80} - C:\Program Files\Desktop Sidebar\sbhelp.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O16 - DPF: Interface Chat Voila - http://chat9.x-echo.com/version5/Applet/vchatsign.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by104fd.bay104.hotmail.msn.com/resources/MsnPUpld.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {6DB731A3-B074-4118-8B1C-32511C65D836} (FotovistaPhotoUploader.ctrFpu) - http://www.mypixmania.com/fr/fr/tools/activex/fpu.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IncrediMail) - http://www2.incredimail.com/contents/setup/downloader_sp1/imloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{41A36385-27E8-44E2-9FE5-87EF3206FAD5}: NameServer = 217.19.192.132 217.19.192.131
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs: MsgPlusLoader.dll
O21 - SSODL: SysTray.Exys - {7368D5FC-6F5C-4f5b-B964-E67214F67852} - C:\WINDOWS\System32\gfaonmao.dll (file missing)
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 Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.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: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.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: PC Tools Spyware Doctor (SDhelper) - PC Tools - C:\Program Files\Spyware Doctor\sdhelp.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