INFECTION VIRUS IMPORTANTE

Bonjour,
j éssaie depuis 3 jours de virer tous les virus de mon ordi....
j ai des trucs genre ms antispayware qui s'installe, ça clignote de partout avec des alertes virus toutes les 2à secondes
besoin d'aide en urgence
MERCI
plus ça vient et plus j'en ai, la preuve un rapport hijackthis :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:00:43, on 04/02/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16762)
Boot mode: Normal

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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\PROGRA~1\AVG\AVG8\avgnsx.exe
C:\Program Files\AVG\AVG8\avgcsrvx.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Program Files\Logitech\Video\LogiTray.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\NetLimiter\NetLimiter.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Logitech\Video\FxSvr2.exe
C:\Program Files\HP\Digital Imaging\bin\hpqimzone.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\All Users\Application Data\CrucialSoft Ltd\MS AntiSpyware 2009\msas2009.exe
C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\winlognn.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\15B.tmp
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\RarSFX0\Codec_v.1003.7.exe
C:\Documents and Settings\JEAN-PHILIPPE\Application Data\_ee313b66aba257bb2b0a66de733b8fae\down\mini000.exe
C:\Program Files\AVG\AVG8\avgui.exe
C:\Documents and Settings\JEAN-PHILIPPE\Application Data\_ee313b66aba257bb2b0a66de733b8fae\down\svr43000.exe
C:\Program Files\Vuze\Azureus.exe
C:\Program Files\AVG\AVG8\avgscanx.exe
C:\Program Files\AVG\AVG8\avgcsrvx.exe
C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\csrssc.exe
C:\Documents and Settings\JEAN-PHILIPPE\Bureau\Killfix.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.orange.fr/portail
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
O2 - BHO: C:\WINDOWS\system32\hsfd83jfdg.dll - {C5BF49A2-94F3-42BD-F434-3604812C8955} - C:\WINDOWS\system32\hsfd83jfdg.dll
O3 - Toolbar: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\PROGRA~1\AVG\AVG8\AVGTOO~1.DLL
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [NetLimiter] C:\Program Files\NetLimiter\NetLimiter.exe /s
O4 - HKLM\..\Run: [Secure System Restore] winsdr.exe
O4 - HKLM\..\Run: [jsf8uiw3jnjgffght] C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\winlognn.exe
O4 - HKLM\..\Run: [*svchostBoot] "C:\Documents and Settings\JEAN-PHILIPPE\Application Data\svchost.exe"
O4 - HKCU\..\Run: [MSN Webcam Recorder] "C:\Program Files\MSN Webcam Recorder\ml20gui.exe" -silent
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Microsoft Windows Automatic Update] C:\RECYCLER\S-1-5-21-9377019586-8102968115-778492166-5247\mwau.exe
O4 - HKCU\..\Run: [jsf8uiw3jnjgffght] C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\winlognn.exe
O4 - HKCU\..\Run: [Jnskdfmf9eldfd] C:\DOCUME~1\JEAN-P~1\LOCALS~1\Temp\csrssc.exe
O4 - HKUS\S-1-5-18\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'Default user')
O4 - Global Startup: Démarrage rapide du logiciel HP Image Zone.lnk = C:\Program Files\Hp\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\Hp\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O7 - HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O14 - IERESET.INF: START_PAGE_URL=https://www8.hp.com/fr/fr/home.html
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - https://www.kaspersky.fr/?domain=webscanner.kaspersky.fr
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab31267.cab
O16 - DPF: {2357B3CF-7F8D-4451-8D81-FD6097610AEE} (CamfrogWEB Advanced Unicode Control) - http://activex.camfrogweb.com/advanced/2.0.2.20/cfweb_activex.camfrogweb.com-advanced-2.0.2.20_instmodule.exe
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/FR-FR/a-UNO1/GAME_UNO1.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{46902495-845A-45B2-A2C2-ED694ACDFF98}: NameServer = 80.10.246.2,80.10.246.129
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O22 - SharedTaskScheduler: jgzfkj9w38rksndfi7r4 - {C5BF49A2-94F3-42BD-F434-3604812C8955} - C:\WINDOWS\system32\hsfd83jfdg.dll
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: HP WMI Interface (hpqwmi) - Hewlett-Packard Development Company, L.P. - C:\Program Files\HPQ\SHARED\HPQWMI.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - CACE Technologies - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe