Salut,
jai un spy ou un truc du genre, jarrive pas a faire une recherche avec google, et les annonces google sont remplacés par des pubs, donc voila mon rapport hijack this, merci de maider (PS: jai fais un scan avec avg mais rien)

Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 11:55:55, on 27/04/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
C:\Program Files\IVT Corporation\BlueSoleil\BTNtService.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\imapi.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\CPUMon\CPUMon.exe
C:\Program Files\VIA\VIAudioi\SBADeck\ADeck.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
C:\Program Files\SuperCopier2\SuperCopier2.exe
C:\Program Files\Internet Download Manager\IDMan.exe
D:\Program Files\Microsoft Etudes\Microsoft Encarta 2007 - Etudes DVD\EDICT.EXE
C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexStoreSvr.exe
C:\Program Files\Internet Download Manager\IEMonitor.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
D:\Programs\HiJackThis_v2.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.al-akhbar.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: IDM Helper - {0055C089-8582-441B-A0BF-17B458C2A3A8} - C:\Program Files\Internet Download Manager\IDMIECC.dll
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: BitComet ClickCapture - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - C:\Program Files\BitComet\tools\BitCometBHO_1.2.2.28.dll
O2 - BHO: (no name) - {3D0D2C85-DB5B-4546-AA59-766341C79A0D} - C:\WINDOWS\system32\awtrSMdb.dll
O2 - BHO: Megaupload Toolbar - {4E7BD74F-2B8D-469E-CCB0-B130EEDBE97C} - C:\PROGRA~1\MEGAUP~1\MEGAUP~1.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\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: BHO pour Compagnon Web Encarta - {955BE0B8-BC85-4CAF-856E-8E0D8B610560} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Web Companion\2007\ENCWCBAR.DLL
O2 - BHO: (no name) - {F50B3F5E-856E-4757-9BB1-B35D46CA7719} - C:\WINDOWS\system32\byXRkJya.dll
O3 - Toolbar: Compagnon Web Encarta - {147D6308-0614-4112-89B1-31402F9B82C4} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Web Companion\2007\ENCWCBAR.DLL
O3 - Toolbar: Megaupload Toolbar - {4E7BD74F-2B8D-469E-CCB0-B130EEDBE97C} - C:\PROGRA~1\MEGAUP~1\MEGAUP~1.DLL
O4 - HKLM\..\Run: [CPUMon] C:\Program Files\CPUMon\CPUMon.exe
O4 - HKLM\..\Run: [AudioDeck] C:\Program Files\VIA\VIAudioi\SBADeck\ADeck.exe 1
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [MSPY2002] C:\WINDOWS\system32\IME\PINTLGNT\ImScInst.exe /SYNC
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Fichiers communs\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [AVP] "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe"
O4 - HKLM\..\Run: [BM7ff1e420] Rundll32.exe "C:\WINDOWS\system32\xutrxmhk.dll",s
O4 - HKLM\..\Run: [7cc2d7bc] rundll32.exe "C:\WINDOWS\system32\aswlbrcp.dll",b
O4 - HKCU\..\Run: [SuperCopier2.exe] C:\Program Files\SuperCopier2\SuperCopier2.exe
O4 - HKCU\..\Run: [IDMan] C:\Program Files\Internet Download Manager\IDMan.exe /onboot
O4 - HKCU\..\Run: [L07FXLRD_7083906] "D:\Program Files\Microsoft Etudes\Microsoft Encarta 2007 - Etudes DVD\EDICT.EXE" -m
O4 - HKCU\..\Run:
[BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}]
"C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BitComet] "C:\Program Files\BitComet\BitComet.exe" /tray
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 RESEAU')
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: PalTalk.lnk = C:\Program Files\Paltalk Messenger\paltalk.exe
O8 - Extra context menu item: &D&ownload &with BitComet - res://C:\Program Files\BitComet\BitComet.exe/AddLink.htm
O8 - Extra context menu item: &D&ownload all video with BitComet - res://C:\Program Files\BitComet\BitComet.exe/AddVideo.htm
O8 - Extra context menu item: &D&ownload all with BitComet - res://C:\Program Files\BitComet\BitComet.exe/AddAllLink.htm
O8 - Extra context menu item: Ajouter à Kaspersky Anti-Bannière - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\ie_banner_deny.htm
O8 - Extra context menu item: Download all links with IDM - C:\Program Files\Internet Download Manager\IEGetAll.htm
O8 - Extra context menu item: Download FLV video content with IDM - C:\Program Files\Internet Download Manager\IEGetVL.htm
O8 - Extra context menu item: Download Video on This Page - C:\Program Files\Tomato\YouTube Video Downloader\IEPage.html
O8 - Extra context menu item: Download Video This Links To - C:\Program Files\Tomato\YouTube Video Downloader\IELink.html
O8 - Extra context menu item: Download with IDM - C:\Program Files\Internet Download Manager\IEExt.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel -
res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000

O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Statistiques d’Anti-Virus Internet - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\SCIEPlgn.dll
O9 - Extra button: PalTalk - {4EAFEF58-EEFA-4116-983D-03B49BCBFFFE} - C:\Program Files\Paltalk Messenger\Paltalk.exe
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: Barre de recherche Encarta - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
O9 - Extra button: Download Video - {B53C7980-9F20-48BB-8FC3-5A1CC9660C48} - C:\Program Files\Tomato\YouTube Video Downloader\IEPage.html
O9 - Extra 'Tools' menuitem: Download Video on This Page - {B53C7980-9F20-48BB-8FC3-5A1CC9660C48} - C:\Program Files\Tomato\YouTube Video Downloader\IEPage.html
O9 - Extra button: BitComet - {D18A0B52-D63C-4ed0-AFC6-C1E3DC1AF43A} - res://C:\Program Files\BitComet\tools\BitCometBHO_1.2.2.28.dll/206 (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
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~2.0\adialhk.dll
O20 - Winlogon Notify: byXRkJya - C:\WINDOWS\SYSTEM32\byXRkJya.dll
O20 - Winlogon Notify: geBrSIyW - C:\WINDOWS\
O22 - SharedTaskScheduler: Pré-chargeur Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Démon de cache des catégories de composant - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Kaspersky Internet Security 7.0 (AVP) - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
O23 - Service: BlueSoleil Hid Service - Unknown owner - C:\Program Files\IVT Corporation\BlueSoleil\BTNtService.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - Unknown owner - C:\WINDOWS\System32\dmadmin.exe
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: Service COM de gravage de CD IMAPI (ImapiService) - Unknown owner - C:\WINDOWS\system32\imapi.exe
O23 - Service: Partage de Bureau à distance NetMeeting (mnmsrvc) - Unknown owner - C:\WINDOWS\system32\mnmsrvc.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: Gestionnaire de session d'aide sur le Bureau à distance (RDSessMgr) - Unknown owner - C:\WINDOWS\system32\sessmgr.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - CACE Technologies - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: Carte à puce (SCardSvr) - Unknown owner - C:\WINDOWS\System32\SCardSvr.exe
O23 - Service: Journaux et alertes de performance (SysmonLog) - Unknown owner - C:\WINDOWS\system32\smlogsvc.exe
O23 - Service: Cliché instantané de volume (VSS) - Unknown owner - C:\WINDOWS\System32\vssvc.exe
O23 - Service: Carte de performance WMI (WmiApSrv) - Unknown owner - C:\WINDOWS\system32\wbem\wmiapsrv.exe
O23 - Service: Service Partage réseau du Lecteur Windows Media (WMPNetworkSvc) - Unknown owner - C:\Program Files\Windows Media Player\WMPNetwk.exe

--
End of file - 11044 bytes

Salut,

Fais un scan avec MalwareByte's Anti-Malware :
http://www.malekal.com/tutorial_MalwareBytes_AntiMalware.php

Poste le rapport ici.