Comprendre rapport Hijackthis

Salut à tous, j'essaie de comprendre mon arraport fait avec Hijackthis pour éviter tout soucis au niveau de mon ordi.
Pour info je suis sous XP Pro, processeur Celeron 3.12 Ghz, 1 Go DDR en dual channel, 1 dd sata 250 Go, 3 dd ide (60 Go, 80 Go, 80 Go), Gforce FX 5200, Carte mère ASUS P4P800 DELUXE.

Voici le rapport, que faut il comprendre :

Logfile of HijackThis v1.99.1
Scan saved at 07:46:19, on 22/07/2005
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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\PROGRA~1\softwin\BITDEF~1\bdmcon.exe
C:\Program Files\Softwin\BitDefender8\bdoesrv.exe
C:\program files\softwin\bitdefender8\bdnagent.exe
C:\Program Files\Netropa\Multimedia Keyboard\nhksrv.exe
C:\Program Files\Elaborate Bytes\CloneCD\CloneCDTray.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Netropa\Multimedia Keyboard\MMKeybd.exe
C:\PROGRA~1\MAGICF~1\MulMouse.exe
C:\WINDOWS\system32\devldr32.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Netropa\Multimedia Keyboard\TrayMon.exe
C:\Program Files\Netropa\Onscreen Display\OSD.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\MicroStar\WLANUtility\WlanUtility.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Softwin\BitDefender8\vsserv.exe
C:\Program Files\MicroStar\WLANUtility\WLAN_Service.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Microsoft Money\System\mnyschdl.exe
C:\Program Files\Microsoft Money\System\misuser.exe
C:\Program Files\Microsoft Money\System\mis.exe
C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
C:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
C:\Program Files\Internet Explorer\iexplore.exe
E:\Utilitaires\Antivirus, nettoyeur et protection\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://ui.skype.com/ui/0/1.2.0.48/fr/download
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {549B5CA7-4A86-11D7-A4DF-000874180BB3} - (no file)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [BDMCon] c:\PROGRA~1\softwin\BITDEF~1\bdmcon.exe
O4 - HKLM\..\Run: [BDOESRV] C:\Program Files\Softwin\BitDefender8\bdoesrv.exe
O4 - HKLM\..\Run: [BDNewsAgent] "C:\PROGRA~1\softwin\BITDEF~1\bdnagent.exe"
O4 - HKLM\..\Run: [CloneCDElbyCDFL] "C:\Program Files\Elaborate Bytes\CloneCD\ElbyCheck.exe" /L ElbyCDFL
O4 - HKLM\..\Run: [CloneCDTray] "C:\Program Files\Elaborate Bytes\CloneCD\CloneCDTray.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [MULTIMEDIA KEYBOARD] C:\Program Files\Netropa\Multimedia Keyboard\MMKeybd.exe
O4 - HKLM\..\Run: [Versato] C:\PROGRA~1\MAGICF~1\MulMouse.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Lancement rapide de Microsoft Office OneNote 2003.lnk = C:\Program Files\Microsoft Office\OFFICE11\ONENOTEM.EXE
O4 - Global Startup: WlanUtility.lnk = C:\Program Files\MicroStar\WLANUtility\WlanUtility.exe
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Pages liées - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\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: {45E83043-1F6F-4D22-A5E7-0138EA171B49} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.com/AppDirectory/P4Apps/FileSharing/fr/filesharingctrl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1120489490203
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: MSI_WLAN_Service - Unknown owner - C:\Program Files\MicroStar\WLANUtility\WLAN_Service.exe
O23 - Service: Netropa NHK Server (nhksrv) - Unknown owner - C:\Program Files\Netropa\Multimedia Keyboard\nhksrv.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - Unknown owner - C:\Program Files\Softwin\BitDefender8\vsserv.exe" /service (file missing)
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)