Check up annuel de mon Windows XP

Coucou les helpeurs !

Je ne sais pas si je suis dans le bon forum (auquel cas, merci de déplacer si c'est possible). De même que mon souci n'a rien d'urgent mais ce serait gentil de pouvoir vous pencher dessus si vous avez le temps.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:33:24, on 10/08/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
H:\WINDOWS\System32\smss.exe
H:\WINDOWS\system32\winlogon.exe
H:\WINDOWS\system32\services.exe
H:\WINDOWS\system32\lsass.exe
H:\WINDOWS\system32\Ati2evxx.exe
H:\WINDOWS\system32\svchost.exe
H:\WINDOWS\System32\svchost.exe
H:\Program Files\Alwil Software\Avast5\AvastSvc.exe
H:\WINDOWS\system32\Ati2evxx.exe
H:\WINDOWS\Explorer.EXE
H:\Program Files\Alwil Software\Avast5\avastUI.exe
H:\Program Files\Fichiers communs\Java\Java Update\jusched.exe
H:\Program Files\OO Software\Defrag\oodtray.exe
H:\WINDOWS\system32\ctfmon.exe
H:\Program Files\Windows Media Player\WMPNSCFG.exe
H:\WINDOWS\system32\spoolsv.exe
H:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
H:\WINDOWS\System32\svchost.exe
H:\Program Files\Java\jre6\bin\jqs.exe
H:\Program Files\OO Software\Defrag\oodag.exe
H:\WINDOWS\system32\svchost.exe
H:\WINDOWS\system32\SearchIndexer.exe
H:\WINDOWS\system32\wbem\wmiapsrv.exe
H:\Program Files\Mozilla Firefox\firefox.exe
H:\Program Files\Trend Micro\HijackThis\HijackThis.exe
H:\WINDOWS\system32\SearchProtocolHost.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
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: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - H:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - H:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - H:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - H:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O4 - HKLM\..\Run: [avast5] "H:\Program Files\Alwil Software\Avast5\avastUI.exe" /nogui
O4 - HKLM\..\Run: [OODefragTray] H:\Program Files\OO Software\Defrag\oodtray.exe
O4 - HKCU\..\Run: [ctfmon.exe] H:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [WMPNSCFG] H:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - H:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - H:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1284361596171
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - H:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - H:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - AVAST Software - H:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: avast! Mail Scanner - AVAST Software - H:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: avast! Web Scanner - AVAST Software - H:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Google Inc. - H:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Service Google Update (gupdatem) (gupdatem) - Google Inc. - H:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - H:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: OODefragAgent - O&O Software GmbH - H:\Program Files\OO Software\Defrag\oodag.exe