Comment utiliser HIJACKTHIS ?

Bonjour,
J'ai effectué un scan.
Pouvez vous me dire si mon analyse est bonne ou faut.
Merci à vous

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:42:55, on 27/09/2009
Platform: Windows XP SP2 (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\svchost.exe
C:\Program Files\Fichiers communs\BitDefender\BitDefender Update Service\livesrv.exe
C:\Program Files\BitDefender\BitDefender 2009\vsserv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LckFldService.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wbem\wmiapsrv.exe
C:\WINDOWS\system32\CNAB4RPK.EXE
C:\WINDOWS\Explorer.exe
C:\Program Files\BitDefender\BitDefender 2009\bdagent.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\BitDefender\BitDefender 2009\seccenter.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\CAPPSWK.EXE
C:\WINDOWS\system32\spool\drivers\w32x86\3\CAPPSWK.EXE
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Fichiers communs\Real\Update_OB\rnathchk.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Skype\Plugin Manager\skypePM.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Microsoft Office\OFFICE11\EXCEL.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\gescom\Mes documents\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://fr.yahoo.com
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 = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Windows Internet Explorer fourni par Yahoo! France
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
F2 - REG:system.ini: Shell=Explorer.exe SSVICHOSST.exe
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O3 - Toolbar: (no name) - {0BF43445-2F28-4351-9252-17FE6E806AA0} - (no file)
O3 - Toolbar: BitDefender Toolbar - {381FFDE8-2394-4f90-B10D-FC6124A40F8C} - C:\Program Files\BitDefender\BitDefender 2009\IEToolbar.dll
O4 - HKLM\..\Run: [Bron-Spizaetus] "C:\WINDOWS\ShellNew\sempalong.exe"
O4 - HKLM\..\Run: [BDAgent] "C:\Program Files\BitDefender\BitDefender 2009\bdagent.exe"
O4 - HKLM\..\Run: [BitDefender Antiphishing Helper] "C:\Program Files\BitDefender\BitDefender 2009\IEShow.exe"
O4 - HKLM\..\Run: [TkBellExe] C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe -osboot
O4 - HKLM\..\Run: [CAPON] C:\WINDOWS\system32\Spool\Drivers\w32x86\3\CAPONN.EXE
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Tok-Cirrhatus] "C:\Documents and Settings\gescom\Local Settings\Application Data\smss.exe"
O4 - HKCU\..\Run: [Yahoo Messengger] C:\WINDOWS\System32\SSVICHOSST.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 RESEAU')
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: Fenêtre d'état Canon LBP-810.LNK = C:\WINDOWS\system32\spool\drivers\w32x86\3\CAPPSWK.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: BitDefender Arrakis Server (Arrakis3) - BitDefender S.R.L. https://www.bitdefender.fr/ - C:\Program Files\Fichiers communs\BitDefender\BitDefender Arrakis Server\bin\Arrakis3.exe
O23 - Service: LckFldService - Unknown owner - C:\WINDOWS\system32\LckFldService.exe
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - BitDefender SRL - C:\Program Files\Fichiers communs\BitDefender\BitDefender Update Service\livesrv.exe
O23 - Service: Ma-Config Service (maconfservice) - CybelSoft - C:\Program Files\ma-config.com\maconfservice.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - BitDefender S. R. L. - C:\Program Files\BitDefender\BitDefender 2009\vsserv.exe