Bonjour,
Voici un rapport d'un ordinateur portable d'un utilisateur qui va sur
tous les types de site internet
Les symptomes? Ralentissement au démarrage, ouverture d'un dossier system au démarrage, navigation lente, ...
Si ca vous tente

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 12:44:51, on 15/01/2010
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\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:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Intel\Wireless\Bin\ZcfgSvc.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Intel\Wireless\Bin\1XConfig.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Intel\Wireless\Bin\OProtSvc.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\ATK0100\HControl.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Program Files\ASUS\ASUS Live Update\ALU.exe
C:\Program Files\ASUS\Power4 Gear\BatteryLife.exe
C:\Program Files\ASUS\Wireless Console\wcourier.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe
C:\Program Files\Intel\Wireless\Bin\EOUWiz.exe
C:\WINDOWS\ATK0100\ATKOSD.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Eden Flirt\EdenFlirt.exe
C:\Program Files\TomTom HOME 2\TomTomHOMERunner.exe
C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
C:\Program Files\ASUS\Asus ChkMail\ChkMail.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\TomTom HOME 2\TomTomHOMEService.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Windows Live\Toolbar\wltuser.exe
C:\Documents and Settings\Maugin\Local Settings\Temporary Internet Files\Content.IE5\KZG7EQGO\HiJackThis[1].exe
F3 - REG:win.ini: load=System
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,System,
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - c:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Windows Live Family Safety Browser Helper - {4f3ed5cd-0726-42a9-87f5-d13f3d2976ac} - C:\Program Files\Windows Live\Family Safety\fssbho.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [HControl] C:\WINDOWS\ATK0100\HControl.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [ASUS Live Update] C:\Program Files\ASUS\ASUS Live Update\ALU.exe
O4 - HKLM\..\Run: [Power_Gear] C:\Program Files\ASUS\Power4 Gear\BatteryLife.exe 1
O4 - HKLM\..\Run: [Wireless Console] C:\Program Files\ASUS\Wireless Console\wcourier.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Zshutdown] c:\sysprep\patch\sysprep.cmd
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [IntelWireless] C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe /tf Intel PROSet/Wireless
O4 - HKLM\..\Run: [EOUApp] C:\Program Files\Intel\Wireless\Bin\EOUWiz.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [EdenFlirt] C:\Program Files\Eden Flirt\EdenFlirt.exe
O4 - HKLM\..\Run: [fssui] "C:\Program Files\Windows Live\Family Safety\fsui.exe" -autorun
O4 - HKCU\..\Run: [TomTomHOME.exe] "C:\Program Files\TomTom HOME 2\TomTomHOMERunner.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: ASUS ChkMail.lnk = C:\Program Files\ASUS\Asus ChkMail\ChkMail.exe
O14 - IERESET.INF: START_PAGE_URL=http://www.asus.com
O15 - Trusted Zone: *.chat-land.org
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1227008126906O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cabO23 - Service: Planificateur Avira AntiVir Personal - Free Antivirus (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: EvtEng - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: OwnershipProtocol - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\OProtSvc.exe
O23 - Service: RegSrvc - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: TomTomHOMEService - TomTom - C:\Program Files\TomTom HOME 2\TomTomHOMEService.exe
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End of file - 6473 bytes