Virus Win 32 trojan Gen A l'aide SVP !!!

Bonjour

Avast a détecté ce virus dans le dossier C\SYSTEM VOLUME INFORMATION\-restore 862B6........
J'ai réussi à la mettre en quarantaine mais puis je le supprimer sans aucun probléme
J'ai aussi fait une analyse avec hijackthis et voilà ce que ça donne , si vous pouviez me dire ce que je dois faire,d'avance merci

Logfile of HijackThis v1.99.1
Scan saved at 15:23:38, on 02/11/2006
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:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ZTE Corporation\ZXDSL852\CnxDslTb.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\QuickTime\qttask.exe
C:\PROGRA~1\Wanadoo\TaskBarIcon.exe
C:\PROGRA~1\INCRED~1\bin\IMApp.exe
C:\PROGRA~1\INCRED~1\bin\IncMail.exe
C:\Program Files\Alwil Software\Avast4\ashSimpl.exe
C:\Program Files\Alwil Software\Avast4\ashChest.exe
C:\PROGRA~1\Wanadoo\EspaceWanadoo.exe
C:\PROGRA~1\Wanadoo\ComComp.exe
C:\PROGRA~1\Wanadoo\Toaster.exe
C:\PROGRA~1\Wanadoo\Inactivity.exe
C:\PROGRA~1\Wanadoo\PollingModule.exe
C:\WINDOWS\System32\ALERTM~1\ALERTM~1.EXE
C:\PROGRA~1\Wanadoo\Watch.exe
C:\PROGRA~1\Wanadoo\WOOBrowser\WOOBrowser.exe
C:\PROGRA~1\Wanadoo\WOOBRO~1\DownloadManager.exe
C:\Documents and Settings\Hélène et Serge\Mes documents\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.orange.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 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Program Files\ZTE Corporation\ZXDSL852\CnxDslTb.exe" "ZTE Corporation\ZXDSL852"
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\GestMaj.exe TaskBarIcon.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [WOOKIT] C:\PROGRA~1\Wanadoo\GestMaj.exe EspaceWanadoo.exe
O4 - HKCU\..\Run: [IncrediMail] C:\Program Files\IncrediMail\bin\IncMail.exe /c
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
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: &Recherche AOL Toolbar - res://C:\Program Files\AOL Toolbar\toolbar.dll/SEARCH.HTML
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: Interface Chat Wanadoo - http://chat10.x-echo.com/version6/A[...]t/wchatsign.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binar[...]kr.cab31267.cab
O16 - DPF: {127698E4-E730-4E5C-A2B1-21490A70C8A1} (CEnroll Class) - https://static.impots.gouv.fr/abos/[...]ite/xenroll.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binar[...]er.cab31267.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://helenetserge.spaces.live.com[...]ad/MsnPUpld.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binar[...]nt.cab31267.cab
O16 - DPF: {90C9629E-CD32-11D3-BBFB-00105A1F0D68} (InstallShield International Setup Player) - http://www.lowrance.com/Software/PC[...]5CDF/isetup.cab
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://193.253.197.133/activex/AxisCamControl.cab
O16 - DPF: {B79A53C0-1DAC-4636-BACE-FD086A7A79BF} (AdSignerLCContrl Class) - https://static.impots.gouv.fr/tdir/[...]AdSignerADP.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{7C52374A-4966-4BFA-92AC-08BEF9D4F4C9}: NameServer = 80.10.246.1 80.10.246.132
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom - C:\WINDOWS\System32\FTRTSVC.exe
O23 - Service: IMAPI CD-Burning COM Service (ImapiService) - Roxio Inc. - C:\WINDOWS\System32\ImapiRox.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe