Il n'y a rien de suspect ?

bonsoir voici mon tout dernier post de hijackthis ... suis je infecté ? et est ce que je peux améliorer mon pc au niveau de la capacité ? merci d'avance .. et surtout au personne qui mon répondu !
Logfile of HijackThis v1.99.1
Scan saved at 01:51:22, on 11/01/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\Program Files\Sygate\SPF\smc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\MSN Apps\Updater\01.02.0002.1001\fr\msnappau.exe
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\WINDOWS\system32\cisvc.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Shareaza\Shareaza.exe
C:\WINDOWS\system32\cidaemon.exe
C:\WINDOWS\eHome\ehSched.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\ehome\EHTray.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Network Associates\VirusScan\Avsynmgr.exe
C:\Program Files\Network Associates\VirusScan\VsStat.exe
C:\Program Files\Network Associates\VirusScan\Vshwin32.exe
C:\Program Files\Fichiers communs\Network Associates\McShield\Mcshield.exe
C:\Program Files\Network Associates\VirusScan\Webscanx.exe
C:\Program Files\Network Associates\VirusScan\Avconsol.exe
C:\Documents and Settings\HP_Administrateur\Mes documents\Mes fichiers reçues\HijackThis.exe

R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
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
O3 - Toolbar: HP View - {B2847E28-5D7D-4DEB-8B67-05D28BCF79F5} - c:\program files\hp\digital imaging\bin\hpdtlk02.dll
O4 - HKLM\..\Run: [sygate] "C:\Program Files\Sygate\SPF\Smc.exe" -start
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.0002.1001\fr\msnappau.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKCU\..\Run: [NBJ] "C:\Program Files\Ahead\Nero BackItUp\nbj.exe"
O4 - HKCU\..\Run: [Sonic RecordNow!] "C:\Program Files\Ahead\Nero BackItUp\nbj.exe"
O4 - HKCU\..\Run: [FreeGo] C:\Documents and Settings\HP_Administrateur\Bureau\FreeGo.exe
O4 - HKCU\..\Run: [c:\Program Files\FreeGo\FreeGo.exe] C:\Documents and Settings\HP_Administrateur\Bureau\FreeGo.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Sygate Personal Firewall.lnk = C:\Program Files\Sygate\SPF\Smc.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.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: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {200B3EE9-7242-4EFD-B1E4-D97EE825BA53} (VerifyGMN Class) - http://h20270.www2.hp.com/ediags/gmn/install/hpobjinstaller_gmn.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1130804315628
O16 - DPF: {8AD9C840-044E-11D1-B3E9-00805F499D93} -
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AVSync Manager (AvSynMgr) - Unknown owner - C:\Program Files\Network Associates\VirusScan\Avsynmgr.exe
O23 - Service: McShield - Unknown owner - C:\Program Files\Fichiers communs\Network Associates\McShield\Mcshield.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Program Files\Sygate\SPF\smc.exe

Configuration: windows xp
media center edition
version 2002
sp2
p 4 cpu 2.93ghz et 1.00 g ram