voila pour hijack :

Logfile of HijackThis v1.99.1
Scan saved at 11:52:34, on 05/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Sunbelt Software\CounterSpy\SBCSSvc.exe
C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe
C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe
C:\Program Files\DAEMON Tools\daemon.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
C:\Program Files\Microsoft IntelliType Pro\itype.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Sunbelt Software\CounterSpy\SBCSTray.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mim.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\MMDiag.exe
C:\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: XBTP05231 - {031F120A-BBAF-45d8-B306-375F2A6B9398} - C:\PROGRA~1\ALCOHO~1\ALCOHO~2\a120_tb.dll (file missing)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O3 - Toolbar: Alcohol Soft - Alcohol 120% Toolbar - {1CE4EE89-2D5C-4361-AF3B-D902AB545381} - C:\Program Files\Alcohol Soft\Alcohol 120% Toolbar\a120_tb.dll (file missing)
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [MMTray] "C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe"
O4 - HKLM\..\Run: [DAEMON Tools] "C:\Program Files\DAEMON Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [WINCINEMAMGR] "C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe"
O4 - HKLM\..\Run: [_mzu_stonedrv7] c:\windows\system32\_mzu_stonedrv7.exe
O4 - HKLM\..\Run: [SVCHOST] C:\WINDOWS\SVCHOST.EXE
O4 - HKLM\..\Run: [_zlu_zlope06] c:\windows\system32\_zsk_zlu_zlope06ciavsj_ulbx`tuyx.exe
O4 - HKLM\..\Run: [MimBoot] C:\PROGRA~1\MUSICM~1\MUSICM~1\mimboot.exe
O4 - HKLM\..\Run: [itype] "C:\Program Files\Microsoft IntelliType Pro\itype.exe"
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SBCSTray] C:\Program Files\Sunbelt Software\CounterSpy\SBCSTray.exe
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\RunServices: [_mzu_stonedrv7] c:\windows\system32\_mzu_stonedrv7.exe
O4 - HKLM\..\RunServices: [_zlu_zlope06] c:\windows\system32\_zsk_zlu_zlope06ciavsj_ulbx`tuyx.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [ASUS SmartDoctor] C:\Program Files\ASUS\SmartDoctor\SmartDoctor.exe /start
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Steam] C:\Program Files\Steam\Steam.exe -silent
O4 - HKCU\..\Run: [shell] "C:\Program Files\Fichiers communs\Microsoft Shared\Web Folders\ibm00001.exe"
O4 - HKCU\..\Run: [_mzu_stonedrv7] c:\windows\system32\_mzu_stonedrv7.exe
O4 - HKCU\..\Run: [_zlu_zlope06] c:\windows\system32\_zsk_zlu_zlope06ciavsj_ulbx`tuyx.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
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
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O16 - DPF: {326A7290-FAE3-48C5-9FBA-F071633E1EB5} (VPlayer Control) - http://sonypictures.com/movies/spiderman3/vividas/highdef/player/vivid_ocx.jpeg
O16 - DPF: {3BFFE033-BF43-11D5-A271-00A024A51325} (iNotes6 Class) - https://webmail.computacenter.fr/iNotes6W.cab
O16 - DPF: {4EFE4BE8-8771-4649-B3EF-D97374C8D2C2} (KeybHunterWebInterface Class) - https://particuliers.secure.lcl.fr/v_1.0/img/akl/FormProtect.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Unknown owner - C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: ATK Keyboard Service (ATKKeyboardService) - Unknown owner - C:\WINDOWS\ATKKBService.exe (file missing)
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: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: AVG Firewall (AVGFwSrv) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Sunbelt CounterSpy Antispyware (SBCSSvc) - Sunbelt Software - C:\Program Files\Sunbelt Software\CounterSpy\SBCSSvc.exe
O23 - Service: StarWind iSCSI Service (StarWindService) - Rocket Division Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe


je relance de suite un scan avg comme tu me l'a demandé.

alors en anti virus jusqu'a hier je n'avais encore rien... (honte a moi c'est comme sa depuis un an :p )
j'ai donc installé plein de truc hier :
hijack
avg anti-spyware
avg 7.5 anti virus + pare feu
avast!
counter spy