Utilisation à 100 % du CPU

Bonjour,

Par moment (de très longs moments) et de façon régulière, le matin rien, mais pas l'après-midi, mon CPU est à 100% de son utilisation et ma machine est donc vraiment très lente. Et le Kernel Times (qu'on peut activer dans Affichage du Gestionnaire de tâches) tourne autour de 50%.
Je ne sais pas de quoi cela vient.

Pourtant, peu de process tournent sur ma machine, IE, Outlook, Firefox, etc. pas démarrés.

J'ai déjà fait un scan Ad-Aware et Spybot. Je mets maintenant un post HijackThis. Peut-être que vous pourrez-me fournir une réponse.

P.S. : cela ne vient survient pas de McAfee.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:57:44, on 20.05.2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16791)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\WLTRYSVC.EXE
C:\WINDOWS\System32\bcmwltry.exe
C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Altiris\AClient\AClient.exe
C:\Program Files\Altiris\Altiris Agent\AeXNSAgent.exe
C:\WINDOWS\system32\ccsrvc.exe
C:\Program Files\McAfee\Host Intrusion Prevention\FireSvc.exe
C:\Program Files\Altiris\Carbon Copy\shellker.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Dell\OpenManage\Client\Iap.exe
C:\WINDOWS\system32\QosServM.exe
C:\Program Files\McAfee\Common Framework\FrameworkService.exe
C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Neoteris\Installer Service\NeoterisSetupService.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Dell\QuickSet\NICCONFIGSVC.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\PGPserv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\Altiris\CARBON~1\client.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\WLTRAY.exe
C:\Program Files\Dell\QuickSet\quickset.exe
C:\Program Files\Apoint\Apoint.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\stsystra.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Altiris\AClient\AClntUsr.EXE
C:\Program Files\Apoint\HidFind.exe
C:\Program Files\McAfee\VirusScan Enterprise\SHSTAT.EXE
C:\Program Files\Apoint\Apntex.exe
C:\Program Files\McAfee\Common Framework\udaterui.exe
C:\Program Files\Common Files\Ahead\Lib\NMBgMonitor.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\pidoux\Local Settings\Application Data\Google\Update\GoogleUpdate.exe
C:\Program Files\McAfee\Common Framework\McTray.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\Program Files\Common Files\Ahead\Lib\NMIndexStoreSvr.exe
C:\Program Files\McAfee\Host Intrusion Prevention\FireTray.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Altiris\Altiris Agent\AeXAgentUIHost.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHid.exe
C:\Program Files\PGP Corporation\PGP for Windows XP\PGPtray.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.hq.k.grp/
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 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,AutoConfigURL = http://wpad.hq.k.grp/autoproxy.pac
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files\McAfee\VirusScan Enterprise\scriptcl.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: CutePDF Writer Companion - {8C3733AE-F794-439A-A959-844DCA64F1A2} - C:\Program Files\Acro Software\CutePDF Writer Companion\CPWC_Co.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AvayaIEHlprObj Class - {E6DF0B46-7D6F-407A-A6A2-62D17A021A9A} - C:\Program Files\Avaya\Avaya IP Softphone\AvayaWebDial.dll
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\WINDOWS\system32\WLTRAY.exe
O4 - HKLM\..\Run: [Dell QuickSet] C:\Program Files\Dell\QuickSet\quickset.exe
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint\Apoint.exe
O4 - HKLM\..\Run: [PWRESET] C:\Program Files\Avaya\Avaya IP Softphone\IP Service Provider\pwreset.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet
O4 - HKLM\..\Run: [NVHotkey] rundll32.exe nvHotkey.dll,Start
O4 - HKLM\..\Run: [SigmatelSysTrayApp] stsystra.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Common Files\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [AeXAgentLogon] C:\Program Files\Altiris\Altiris Agent\AeXAgentActivate.exe /logon
O4 - HKLM\..\Run: [AClntUsr] C:\Program Files\Altiris\AClient\AClntUsr.EXE
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\McAfee\VirusScan Enterprise\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\McAfee\Common Framework\udaterui.exe" /StartedFromRunKey
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Common Files\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\pidoux\Local Settings\Application Data\Google\Update\GoogleUpdate.exe" /c
O4 - Global Startup: Bluetooth Manager.lnk = ?
O4 - Global Startup: McAfee Host Intrusion Prevention Tray.lnk = ?
O4 - Global Startup: PGPtray.lnk = ?
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\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: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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: {332bd5a0-8000-11d7-b657-00c04faedb18} (Oracle JInitiator 1.1.8.22) -
O16 - DPF: {36F17E17-AC00-42BC-A6D9-294AD4E7DCD6} (Altiris ClientBootstraper Class) - http://romeo.hq.k.grp/Altiris/NS/NSCap/Bin/Win32/x86/AeXClientBootstrap.cab
O16 - DPF: {51BB7DFD-A6F5-4FAC-B8C9-E71CF84D082C} (AeXNSConsoleContextHelp Class) - http://romeo.hq.k.grp/Altiris/NS/NSCap/Bin/Win32/x86/AltirisNSConsole.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/...
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/...
O16 - DPF: {74233DB3-F72F-44EA-94DC-258A624037E6} (ComponentOne FlexGrid 8.0 (UNICODE Light)) - https://it-helpdesk.hq.k.grp/aspnet_client/Altiris_AppWeaver/6_0_sp3/lib/VSFlex8.CAB
O16 - DPF: {7c2c94f0-7991-42b4-8d5f-4cb15b490657} (Oracle JInitiator 1.1.8.25) -
O16 - DPF: {827E9F50-96A4-11CF-823E-000021570103} (Graphics Server Extended Graph) - https://it-helpdesk.hq.k.grp/AeXHD/images/Graphs32.cab
O16 - DPF: {D576AB8D-02C7-4588-98AC-5C2533A4481B} (AppWeaverControls.DTPicker) - http://it-helpdesk.hq.k.grp/...
O16 - DPF: {FDF527BA-DDDA-11D3-AA82-006094EB09CB} (Altiris Clipboard Helper) - http://it-helpdesk.hq.k.grp/...
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = hq.k.grp
O17 - HKLM\Software\..\Telephony: DomainName = hq.k.grp
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = hq.k.grp
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = hq.k.grp
O20 - AppInit_DLLs: AMINIT.dll
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: Altiris Client Service (AClient) - Altiris, Inc. - C:\Program Files\Altiris\AClient\AClient.exe
O23 - Service: Altiris Agent (AeXNSClient) - Altiris, Inc. - C:\Program Files\Altiris\Altiris Agent\AeXNSAgent.exe
O23 - Service: Altiris Carbon Copy (CarbonCopy32) - Altiris - C:\WINDOWS\system32\ccsrvc.exe
O23 - Service: McAfee Host Intrusion Prevention Service (enterceptAgent) - McAfee, Inc. - C:\Program Files\McAfee\Host Intrusion Prevention\FireSvc.exe
O23 - Service: Iap - Dell Inc. - C:\Program Files\Dell\OpenManage\Client\Iap.exe
O23 - Service: iClarityQoSService - AVAYA Communication - C:\WINDOWS\system32\QosServM.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Service McAfee Framework (McAfeeFramework) - McAfee, Inc. - C:\Program Files\McAfee\Common Framework\FrameworkService.exe
O23 - Service: McAfee McShield (McShield) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
O23 - Service: McAfee Task Manager (McTaskManager) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
O23 - Service: Neoteris Setup Service - Juniper Networks - C:\Program Files\Neoteris\Installer Service\NeoterisSetupService.exe
O23 - Service: NICCONFIGSVC - Dell Inc. - C:\Program Files\Dell\QuickSet\NICCONFIGSVC.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PGPserv - PGP Corporation - C:\WINDOWS\system32\PGPserv.exe
O23 - Service: wampapache - Apache Software Foundation - c:\wamp\bin\apache\apache2.2.11\bin\httpd.exe
O23 - Service: wampmysqld - Unknown owner - c:\wamp\bin\mysql\mysql5.1.30\bin\mysqld.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\WLTRYSVC.EXE