Mauvaise évaluation automatique Hijackthis

Bonjour,
Ayant des soucis avec notamment les toolbar et puisque mon antivirus avast a récemment détecté des troyan, j'ai tenté de faire une analyse hijackthis et de la soumettre a l'évaluation automatique.
résultat: c'est très mauvais, surtout la partie O 15, et je vois encore trainer des éléments de "ask"
voici le log, merci de me dire quoi faire! (je ne fais pas trop confiance aux éval automatiques)

Logfile of Trend Micro HijackThis v2.0.2 
Scan saved at 20:54:46, on 16/05/2010 
Platform: Windows XP SP3 (WinNT 5.01.2600) 
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512) 
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:\WINDOWS\system32\svchost.exe 
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe 
C:\Program Files\Intel\Wireless\Bin\S24EvMon.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\Java\jre6\bin\jqs.exe 
C:\WINDOWS\system32\nvsvc32.exe 
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe 
C:\WINDOWS\system32\svchost.exe 
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe 
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe 
C:\WINDOWS\system32\wbem\wmiapsrv.exe 
C:\WINDOWS\System32\svchost.exe 
C:\WINDOWS\system32\winlogon.exe 
C:\Program Files\Intel\Wireless\Bin\ZcfgSvc.exe 
C:\WINDOWS\Explorer.EXE 
C:\PROGRA~1\Intel\Wireless\Bin\1XConfig.exe 
C:\WINDOWS\ATK0100\HControl.exe 
C:\WINDOWS\system32\wuauclt.exe 
C:\Program Files\ASUS\Power4 Gear\BatteryLife.exe 
C:\Program Files\ASUS\Wireless Console\wcourier.exe 
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe 
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe 
C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe 
C:\WINDOWS\RTHDCPL.EXE 
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe 
C:\WINDOWS\system32\ctfmon.exe 
C:\WINDOWS\NCLAUNCH.EXe 
C:\WINDOWS\ATK0100\ATKOSD.exe 
C:\Program Files\Mozilla Firefox\firefox.exe 
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe 
C:\Program Files\Alwil Software\Avast4\setup\avast.setup 

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://fr.ask.com/?o=15161&l=dis 
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.asus.com/fr/ 
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens 
R3 - URLSearchHook: (no name) - {C94E154B-1459-4A47-966B-4B843BEFC7DB} - (no file) 
F2 - REG:system.ini: UserInit=userinit.exe 
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll 
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - c:\program files\real\realplayer\rpbrowserrecordplugin.dll 
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file) 
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre6\bin\ssv.dll 
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 
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll 
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll 
O4 - HKLM\..\Run: [HControl] C:\WINDOWS\ATK0100\HControl.exe 
O4 - HKLM\..\Run: [Power_Gear] C:\Program Files\ASUS\Power4 Gear\BatteryLife.exe 1 
O4 - HKLM\..\Run: [Wireless Console] C:\Program Files\ASUS\Wireless Console\wcourier.exe 
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe 
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe 
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup 
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install 
O4 - HKLM\..\Run: [IntelWireless] C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe /tf Intel PROSet/Wireless 
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE 
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE 
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe 
O4 - HKLM\..\Run: [Raccourci vers la page des propriétés de High Definition Audio] HDAShCut.exe 
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe 
O4 - HKCU\..\Run: [NCLaunch] C:\WINDOWS\NCLAUNCH.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 - HKUS\S-1-5-21-2280984420-622404012-1540061061-1006\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User 'Olivier') 
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM') 
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user') 
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe 
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000 
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre6\bin\jp2iexp.dll 
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre6\bin\jp2iexp.dll 
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL 
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://www.asus.com/fr/ 
O15 - Trusted Zone: [http://]*.buy-security-essentials.com 
O15 - Trusted Zone: [http://]*.download-soft-package.com 
O15 - Trusted Zone: [http://]*.download-software-package.com 
O15 - Trusted Zone: [http://]*.get-key-se10.com 
O15 - Trusted Zone: [http://]*.is-software-download.com 
O15 - Trusted Zone: [http://]*.buy-security-essentials.com (HKLM) 
O15 - Trusted Zone: [http://]*.get-key-se10.com (HKLM) 
O23 - Service: Adobe LM Service - Unknown owner - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe 
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe 
O23 - Service: Automatic LiveUpdate Scheduler - Unknown owner - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe (file missing) 
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: EvtEng - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe 
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe 
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe 
O23 - Service: RegSrvc - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe 
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation  - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe 

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