j'ai supprimer le dossier Tempet fait une défrag
voici le apport hijack quand penses-tu ?:

Logfile of HijackThis v1.99.1
Scan saved at 14:52:00, on 04/09/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\Program Files\Faronics\Deep Freeze\Install C-0\DF5Serv.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\ZoneLabs\isafe.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\system32\pctspk.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\Mixer.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\modem ADSL USB\modem ADSL USB\dslmon.exe
C:\Program Files\Ulead Systems\Ulead Photo Express 3.0 SE\CalCheck.exe
C:\Program Files\Mustek 1200 UB Plus\Driver\WATCH.exe
C:\Program Files\Faronics\Deep Freeze\Install C-0\_$Df\FrzState2k.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\famille\LOCALS~1\Temp\Rar$EX00.628\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.neuf.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [adiras] adiras.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - Global Startup: DSLMON.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Photo Express SE Calendar Checker.lnk = C:\Program Files\Ulead Systems\Ulead Photo Express 3.0 SE\CalCheck.exe
O4 - Global Startup: Watch.lnk = C:\Program Files\Mustek 1200 UB Plus\Driver\WATCH.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Xanadu - {5CC384BB-1326-11D5-F4AE-00C04923F885} - C:\Program Files\Foreignword\Xanadu\XanaduLaunch.exe
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan8/oscan8.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1109257380342
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{66B51D3B-29AF-4256-89E4-8FAEF1906262}: NameServer = 80.118.196.41 80.118.192.111
O17 - HKLM\System\CS1\Services\Tcpip\..\{66B51D3B-29AF-4256-89E4-8FAEF1906262}: NameServer = 80.118.196.41 80.118.192.111
O20 - Winlogon Notify: DfLogon - C:\WINDOWS\SYSTEM32\LogonDll.dll
O23 - Service: CA ISafe (CAISafe) - Computer Associates International, Inc. - C:\WINDOWS\System32\ZoneLabs\isafe.exe
O23 - Service: DF5Serv - Faronics Corporation - C:\Program Files\Faronics\Deep Freeze\Install C-0\DF5Serv.exe
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe