Voici le log de hijackhis, le restant n'ayant eu aucun effet sur le wifi :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:19:19, on 06/01/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)
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\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\SigmaTel\C-Major Audio\stacmon.exe
C:\WINDOWS\system32\ICO.EXE
C:\Program Files\Sony\HotKey Utility\HKserv.exe
C:\WINDOWS\System32\ezSP_Px.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\powerpanel\Program\PcfMgr.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexStoreSvr.exe
C:\Program Files\Sony\HotKey Utility\HKWnd.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\olivier\LOCALS~1\Temp\Rar$EX00.844\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.1.615.5858\swg.dll
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint\Apoint.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [SigmaTel StacMon] C:\Program Files\SigmaTel\C-Major Audio\stacmon.exe
O4 - HKLM\..\Run: [Mouse Suite 98 Daemon] ICO.EXE
O4 - HKLM\..\Run: [HKSERV.EXE] C:\Program Files\Sony\HotKey Utility\HKserv.exe
O4 - HKLM\..\Run: [ezShieldProtector for Px] C:\WINDOWS\System32\ezSP_Px.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Fichiers communs\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: PowerPanel.lnk = C:\Program Files\powerpanel\Program\PcfMgr.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel -
res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\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: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O14 - IERESET.INF: START_PAGE_URL=http://www.club-vaio.sony-europe.com/
O15 - Trusted Zone: *.sony-europe.com
O15 - Trusted Zone: *.sonystyle-europe.com
O15 - Trusted Zone: *.vaio-link.com
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/w"
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\Sptisrv.exe
O23 - Service: VAIO Media Music Server (VAIOMediaPlatform-MusicServer-AppServer) - Sony Corporation - C:\Program Files\sony\vaio media music server\SSSvr.exe
O23 - Service: VAIO Media Music Server (HTTP) (VAIOMediaPlatform-MusicServer-HTTP) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\vaio media platform\sv_httpd.exe
O23 - Service: VAIO Media Music Server (UPnP) (VAIOMediaPlatform-MusicServer-UPnP) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\vaio media platform\UPnPFramework.exe
O23 - Service: VAIO Media Photo Server (VAIOMediaPlatform-PhotoServer-AppServer) - Sony Corporation - C:\Program Files\sony\photo server\appsrv\PhotoAppSrv.exe
O23 - Service: VAIO Media Photo Server (HTTP) (VAIOMediaPlatform-PhotoServer-HTTP) - Sony Corporation - C:\Program Files\Fichiers communs\sony shared\vaio media platform\SV_Httpd.exe
O23 - Service: VAIO Media Photo Server (UPnP) (VAIOMediaPlatform-PhotoServer-UPnP) - Sony Corporation - C:\Program Files\Fichiers communs\sony shared\vaio media platform\UPnPFramework.exe
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End of file - 7469 bytes
Merci d'avance pour le traitement de ma demande.