Supprimer un virus

Bonjour,
J'utilise Avast depuis un moment, et depuis une ou deux semaines, deux virus à la suite viennent, dont le virus " Win32:Adware-gen [Adw] ".
Ne m'y connaissant pas spécialement coté virus, j'ai suivi un conseil d'un autre forum, en faisant un scan Hijackthis.
Le résultat est le suivant :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 15:21:58, on 30/12/2008
Platform: Windows XP SP2 (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\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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
c:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
c:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\KeenfinderSrch\keenfinder.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Wireless 802.11g Monitor\WLService.exe
C:\Program Files\Wireless 802.11g Monitor\WLanCfgG.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Java\jre1.5.0\bin\jusched.exe
C:\windows\system\hpsysdrv.exe
C:\WINDOWS\AGRSMMSG.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\WINDOWS\ALCXMNTR.EXE
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\KeenfinderSrch\keenfinder.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\QuickTime\QTTask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Omni\OmniMouse Driver\4.06\MOUSE32A.EXE
C:\Program Files\Omni\Omni keyboard driver\5.0\KbdAp32A.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\RocketDock\RocketDock.exe
C:\Program Files\Vista Rainbar\Rainmeter.exe
C:\Program Files\Maxthon2\Maxthon.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Documents and Settings\Compaq_Propriétaire\Application Data\Microsoft\Live Search\Notification-LiveSearch.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\UberIcon\UberIcon Manager.exe
C:\WINDOWS\BricoPacks\Vista Inspirat 2\YzShadow\YzShadow.exe
c:\Program Files\iPod\bin\iPodService.exe
C:\Documents and Settings\Compaq_Propriétaire\Application Data\Microsoft\Live Search\Mise-a-jour-LiveSearch.exe
C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\HP\Digital Imaging\bin\hpqimzone.exe
C:\Program Files\HP\Digital Imaging\Product Assistant\bin\hprblog.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\program files\relevantknowledge\rlvknlg.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Maxthon2\Maxthon.exe
C:\Documents and Settings\Compaq_Propriétaire\Local Settings\Temp\_AZTMP0_\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr?cobrand=compaq-desktop.msn.com&ocid=HPDHP&pc=CPDTDF
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=FR_FR&c=Q305&bd=presario&pf=desktop
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=FR_FR&c=Q305&bd=presario&pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=FR_FR&c=Q305&bd=presario&pf=desktop
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://www.msn.com/fr-fr?cobrand=compaq-desktop.msn.com&ocid=HPDHP&pc=CPDTDF
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Hacked by Godzilla
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Absolutist Games Toolbar - {631ac2d4-57b3-42b0-a148-da33b462c1a3} - C:\Program Files\Absolutist_Games\tbAbso.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Absolutist Games Toolbar - {631ac2d4-57b3-42b0-a148-da33b462c1a3} - C:\Program Files\Absolutist_Games\tbAbso.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O3 - Toolbar: Absolutist Games Toolbar - {631ac2d4-57b3-42b0-a148-da33b462c1a3} - C:\Program Files\Absolutist_Games\tbAbso.dll
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0\bin\jusched.exe
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [ccApp] "c:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [LSBWatcher] c:\hp\drivers\hplsbwatcher\lsburnwatcher.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "c:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [LWBMOUSE] C:\Program Files\Omni\OmniMouse Driver\4.06\MOUSE32A.EXE
O4 - HKLM\..\Run: [LWBKEYBOARD] C:\Program Files\Omni\Omni keyboard driver\5.0\KbdAp32A.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [RelevantKnowledge] C:\program files\relevantknowledge\rlvknlg.exe -boot
O4 - HKLM\..\Run: [stupid creative poll axis] C:\Documents and Settings\All Users\Application Data\Memo save stupid creative\Online Dent.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SPAMRDR] C:\DOCUME~1\COMPAQ~1\APPLIC~1\BENDFU~1\liveglueface.exe
O4 - HKCU\..\Run: [RocketDock] "C:\WINDOWS\BricoPacks\Vista Inspirat 2\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [Vista Rainbar] C:\Program Files\Vista Rainbar\Rainmeter.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - Startup: Outil de notification Live Search.lnk = ?
O4 - Startup: RocketDock.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\RocketDock\RocketDock.exe
O4 - Startup: TransBar.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\TransBar\TransBar.exe
O4 - Startup: UberIcon.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\UberIcon\UberIcon Manager.exe
O4 - Startup: Y'z Shadow.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat 2\YzShadow\YzShadow.exe
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: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: Aide à la connexion - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
O9 - Extra 'Tools' menuitem: Aide à la connexion - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
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
O9 - Extra button: Aide à la connexion - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm (HKCU)
O9 - Extra 'Tools' menuitem: Aide à la connexion - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm (HKCU)
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O20 - Winlogon Notify: RelevantKnowledge - C:\program files\relevantknowledge\rlls.dll
O23 - Service: Apple Mobile Device - Apple Inc. - c:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - c:\Program Files\Bonjour\mDNSResponder.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: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - c:\Program Files\iPod\bin\iPodService.exe
O23 - Service: KeenfinderSrch Service - Unknown owner - C:\Program Files\KeenfinderSrch\keenfinder.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: R54G Wireless Service - Unknown owner - C:\Program Files\Wireless 802.11g Monitor\WLService.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - c:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe

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End of file - 12355 bytes

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A partir de ça, je ne sais pas d'où vient le problème, dont je suis encore bloquée.
Si quelqu'un pourrait m'indiquer d'où il vient, j'en serai très reconnaissante.

Merci d'avance, bonne journée.

Configuration: Windows XP
Internet Explorer 7.0