Process qui sature l'UC

Bonjour,
Aprés avoir fait tourner plusieurs antivirus et nettoyeurs de cochonneries diverses, j'ai toujours l'UC saturé à 100%.
Si quelqu'un peut jeter un oeil sur ce rapport HijackThis effectué lors du démarrage, il me rendrait un fier service.
Merci d'avance.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:23:30, on 19/07/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\LogMeIn\x86\RaMaint.exe
C:\Program Files\LogMeIn\x86\LogMeIn.exe
C:\Program Files\LogMeIn\x86\LMIGuardian.exe
C:\WINDOWS\System32\locator.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\LogMeIn\x86\LogMeInSystray.exe
C:\WINDOWS\system32\taskswitch.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\WinSnap\WinSnap.exe
C:\Program Files\SuperCopier2\SuperCopier2.exe
C:\Program Files\LogMeIn\x86\LMIGuardian.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R3 - URLSearchHook: (no name) - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - (no file)
O1 - Hosts: ServeurNT # Serveur NT
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: (no name) - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - (no file)
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [LogMeIn GUI] "C:\Program Files\LogMeIn\x86\LogMeInSystray.exe"
O4 - HKLM\..\Run: [CoolSwitch] C:\WINDOWS\system32\taskswitch.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [WinSnap] "C:\Program Files\WinSnap\WinSnap.exe" /startup
O4 - HKCU\..\Run: [SuperCopier2.exe] C:\Program Files\SuperCopier2\SuperCopier2.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-21-1801674531-484763869-1060284298-1003\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe (User '?')
O17 - HKLM\System\CCS\Services\Tcpip\..\{20203C97-31B0-4E7D-A850-81E1A82A96E1}: NameServer = 212.27.40.240,212.27.40.241
O17 - HKLM\System\CS1\Services\Tcpip\..\{20203C97-31B0-4E7D-A850-81E1A82A96E1}: NameServer = 212.27.40.240,212.27.40.241
O17 - HKLM\System\CS2\Services\Tcpip\..\{20203C97-31B0-4E7D-A850-81E1A82A96E1}: NameServer = 212.27.40.240,212.27.40.241
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: LogMeIn Maintenance Service (LMIMaint) - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\RaMaint.exe
O23 - Service: LogMeIn - LogMeIn, Inc. - C:\Program Files\LogMeIn\x86\LogMeIn.exe