PC qui galere, bcp de processus lancés; demande d'analyse Hijackthis

Salut,
Mon pc rame au taqué et quand je fais Ctrl+Alt+Suppr je trouve que j'ai bcp de processus lancé.Si qqun pouvais m'eclairer sur les demarches a suivre ce serait cool!
Voici mon log:

Logfile of HijackThis v1.99.1
Scan saved at 18:11:09, on 30/10/2005
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\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Analog Devices\SoundMAX\SMTray.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
C:\WINDOWS\VM_STI.EXE
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\RamBoost XP\rambxpfr.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Microsoft Office\Office\1036\OLFSNT40.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
c:\progra~1\intern~1\iexplore.exe
C:\WINDOWS\system32\wscntfy.exe
c:\progra~1\intern~1\iexplore.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\utilisateur\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.ucqkhaupmfuxis.com/2YTv [...] ds8cwv.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.fajikuylqtikrecrqenndec [...] Yg59M.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - G:\Net Transport\NTIEHelper.dll
O2 - BHO: (no name) - {E0FE8533-6CAE-6DD1-71C3-4FB014F0BAF6} - C:\DOCUME~1\UTILIS~1\APPLIC~1\GLOBAL~1\phone grid.exe
O4 - HKLM\..\Run: [Smapp] C:\Program Files\Analog Devices\SoundMAX\SMTray.exe
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal Pro\kav.exe" /minimize
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
O4 - HKLM\..\Run: [BigDogPath] C:\WINDOWS\VM_STI.EXE Philips SPC 200NC PC Camera
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [TrojanScanner] C:\Program Files\Trojan Remover\Trjscan.exe
O4 - HKLM\..\Run: [Joy Poll Live Body] C:\Documents and Settings\All Users\Application Data\Mapi Tool Joy Poll\NAMEMETA.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [pinginternet] C:\DOCUME~1\UTILIS~1\APPLIC~1\PILETH~1\FirstSaveReal.exe
O4 - HKCU\..\Run: [RamBoostXp] C:\Program Files\RamBoost XP\rambxpfr.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: Download all by Net Transport - G:\NETTRA~1\NTAddList.html
O8 - Extra context menu item: Download by Net Transport - G:\NETTRA~1\NTAddLink.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
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
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/bina [...] b32846.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{FEA6CE66-C66F-4BE5-A70F-FE323285E1CB}: NameServer = 217.19.192.132 217.19.192.131
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs: MsgPlusLoader.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal Pro\kavsvc.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe