Pc qui rame et UC utilisée à 100 %

Bonjour,

depuis une semaine, mon pc rame comme un malade alors qu'avant il n'y avait aucun souci. J'ai regardé le gestionnaire des tâches et quand il rame, les UC sont utilisées à 100 %.

Je me demande si ça ne serait pas à cause de zone alarme ?
J'espère que ce n'est pas un virus car j'ai installé beaucoup de protection pour éviter ce souci justement.

J'ai - ad-aware
- zone alarme
- spybot
- trojan remover
- antivir

voici le rapport hijackthis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:01:31, on 20/01/2009
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
Boot mode: Normal

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\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
C:\Program Files\Logitech\Video\LogiTray.exe
C:\Program Files\Winamp\winampa.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\3M\PSNLite\PsnLite.exe
C:\WINDOWS\System32\LVComsX.exe
C:\PROGRA~1\3M\PSNLite\PSNGive.exe
C:\Program Files\Logitech\Video\FxSvr2.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\MSN Messenger\usnsvc.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.ssandsun.net/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {25F2C589-63E7-4A4A-AE23-E7D6AE2C81B9} - (no file)
O2 - BHO: (no name) - {2E19EFEE-6C71-4049-A350-45DF12AF167B} - (no file)
O2 - BHO: (no name) - {2EEA7C37-7F3A-472E-ADE4-644715F7DFB2} - (no file)
O2 - BHO: (no name) - {3242F08B-662C-4BDC-93EB-3044F90B47A8} - (no file)
O2 - BHO: (no name) - {46A128A2-1D82-4310-B868-47AF2BD2606D} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: (no name) - {7DAA0CC8-D300-4E61-879B-FF3D01FEA682} - (no file)
O2 - BHO: (no name) - {8B812F42-0E51-45E7-89AB-FDB97F76CDB0} - (no file)
O2 - BHO: iFinger plugin / Browser helper object - {A114D52B-870C-4F15-8021-B6D7F91A054B} - C:\PROGRA~1\iFinger\plugins\IE.ifp
O2 - BHO: (no name) - {A45801C1-49AD-4BC1-92C9-5C42748E608F} - (no file)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Morpheus Toolbar - {3F3714A9-89A4-46be-8AF3-D0C9D1FB03F9} - C:\Program Files\MorpheusBar\bar\1.bin\MORPHBAR.DLL
O3 - Toolbar: (no name) - {4E7BD74F-2B8D-469E-CCB0-B130EEDBE97C} - (no file)
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [TrojanScanner] C:\Program Files\Trojan Remover\Trjscan.exe /boot
O4 - HKCU\..\Run: [updateMgr] "C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe" AcRdB7_0_8 -reboot 1
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: iFinger 2.0.lnk = C:\Program Files\iFinger\iFinger.exe
O4 - Global Startup: Post-it® Software Notes Lite.lnk = C:\Program Files\3M\PSNLite\PsnLite.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: iFinger - {936E5D60-596C-11D3-BB96-00600816DF55} - C:\WINDOWS\System32\SHDOCVW.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\WINDOWS\System32\shdocvw.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (a-squared Scanner) - http://ax.emsisoft.com/asquared.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O20 - Winlogon Notify: urqRHxuu - C:\WINDOWS\
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: Adobe LM Service - Unknown owner - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
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: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe