Je poste le rapport hijackthis:
Logfile of HijackThis v1.99.1
Scan saved at 12:42:17, on 12/08/2006
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\CTSvcCDA.EXE
C:\WINDOWS\system32\drivers\KodakCCS.exe
C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe
C:\Program Files\Trend Micro\Internet Security\Tmntsrv.exe
C:\Program Files\Trend Micro\Internet Security\tmproxy.exe
C:\WINDOWS\system32\MsPMSPSv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Trend Micro\Internet Security\PccPfw.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Trend Micro\Internet Security\pccguide.exe
C:\Program Files\Trend Micro\Internet Security\PCClient.exe
C:\Program Files\Trend Micro\Internet Security\TMOAgent.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\QuickTime\qttask.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
C:\WINDOWS\system32\hphmon04.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
C:\WINDOWS\system32\HPHipm11.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\eMule\emule.exe
C:\Documents and Settings\User1\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: Compagnon Web Encarta - {147D6308-0614-4112-89B1-31402F9B82C4} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Web Companion\ENCWCBAR.DLL
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [Ptipbmf] rundll32.exe ptipbmf.dll,SetWriteCacheMode
O4 - HKLM\..\Run: [pccguide.exe] "C:\Program Files\Trend Micro\Internet Security\pccguide.exe"
O4 - HKLM\..\Run: [PCClient.exe] "C:\Program Files\Trend Micro\Internet Security\PCClient.exe"
O4 - HKLM\..\Run: [TM Outbreak Agent] "C:\Program Files\Trend Micro\Internet Security\TMOAgent.exe" /run
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
O4 - HKLM\..\Run: [HPHmon04] C:\WINDOWS\system32\hphmon04.exe
O4 - HKLM\..\Run: [HPHUPD04] "C:\Program Files\HP Photosmart 11\hphinstall\UniPatch\hphupd04.exe"
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime -Delay
O4 - HKLM\..\Run: [.nvsvc] C:\WINDOWS\system\smss.exe /w
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: InterVideo WinCinema Manager.lnk = C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O16 - DPF: {0A5FD7C5-A45C-49FC-ADB5-9952547D5715} (Creative Software AutoUpdate) - http://www.creative.com/su/ocx/15015/CTSUEng.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {F6ACF75C-C32C-447B-9BEF-46B766368D29} (Creative Software AutoUpdate Support Package) - http://www.creative.com/su/ocx/15023/CTPID.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTSvcCDA.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Kodak Camera Connection Software (KodakCCS) - Eastman Kodak Company - C:\WINDOWS\system32\drivers\KodakCCS.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Trend Micro Personal Firewall (PccPfw) - Trend Micro Incorporated. - C:\Program Files\Trend Micro\Internet Security\PccPfw.exe
O23 - Service: Pml Driver HPH11 - HP - C:\WINDOWS\system32\HPHipm11.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SSScsiSV.exe
O23 - Service: StarWind iSCSI Service (StarWindService) - Rocket Division Software - C:\Program Files\Alcohol Soft\Alcohol 120\StarWind\StarWindService.exe
O23 - Service: Trend NT Realtime Service (Tmntsrv) - Trend Micro Incorporated. - C:\Program Files\Trend Micro\Internet Security\Tmntsrv.exe
O23 - Service: Trend Micro Proxy Service (tmproxy) - Trend Micro Incorporated. - C:\Program Files\Trend Micro\Internet Security\tmproxy.exe