Analyse log Hijackthis

Bonjour.

Je pense que j' ai un problème sur mon pc.
Je ne m' y connait pas bien, je vous laisse le log de Hijack et je vous remercie d' avance de votre aide.

Logfile of HijackThis v1.99.1
Scan saved at 17:48:08, on 22/02/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
D:\WINDOWS\system32\svchost.exe
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
D:\WINDOWS\Explorer.EXE
D:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe
D:\Program Files\Alwil Software\Avast4\ashDisp.exe
D:\WINDOWS\vsnpstd2.exe
D:\WINDOWS\system32\ctfmon.exe
D:\WINDOWS\lclock.exe
D:\Program Files\Messenger\msmsgs.exe
D:\Program Files\MSN Messenger\MsnMsgr.Exe
D:\Documents and Settings\Fred\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.google.fr/ie
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.google.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.google.fr/ie
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.google.fr/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://r.office.microsoft.com/r/rlidOfficeUpdate?clid=1036
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "D:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [avast!] "D:\Program Files\Alwil Software\Avast4\ashDisp.exe"
O4 - HKLM\..\Run: [SNPSTD2] D:\WINDOWS\vsnpstd2.exe
O4 - HKCU\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [LClock] lclock.exe
O4 - HKCU\..\Run: [Msmsgs] "D:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [MsnMsgr] "D:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\PROGRA~1\Microsoft Office\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\PROGRA~1\Microsoft Office\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O12 - Plugin for .spop: D:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2005111401/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{0560ACA0-F097-4BB3-BD02-C6C551A8D091}: NameServer = 195.238.2.21 195.238.2.22
O17 - HKLM\System\CS1\Services\Tcpip\..\{0560ACA0-F097-4BB3-BD02-C6C551A8D091}: NameServer = 195.238.2.21 195.238.2.22
O17 - HKLM\System\CS2\Services\Tcpip\..\{0560ACA0-F097-4BB3-BD02-C6C551A8D091}: NameServer = 195.238.2.21 195.238.2.22
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "D:\PROGRA~1\MSN Messenger\msgrapp.dll" (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - D:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - D:\Program Files\iPod\bin\iPodService.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - D:\Program Files\Analog Devices\SoundMAX\SMAgent.exe

Merci de votre aide.