SVP analyser mon hijackthis...merci

Bonjour,
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:36:18, on 2010-11-21
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18975)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Videotron\Videotron Service Agent\VideotronSA.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Windows\System32\igfxpers.exe
C:\Windows\System32\hkcmd.exe
C:\Program Files\IDT\WDM\sttray.exe
C:\Program Files\Synaptics\SynTP\SynTPHelper.exe
C:\Windows\system32\conime.exe
C:\Program Files\Videotron\Services de sécurité Vidéotron\RPS.exe
C:\Program Files\Videotron\Services de sécurité Vidéotron\AVG\Identity Protection\agent\Bin\AVGIDSMonitor.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Windows\system32\SearchProtocolHost.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.ca/
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 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Common Files\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Camera Assistant Software] "C:\Program Files\Camera Assistant Software for Gateway\traybar.exe"
O4 - HKLM\..\Run: [PCTools FW] C:\Program Files\PC Tools Firewall Plus\FirewallGUI.exe
O4 - HKLM\..\Run: [SysTrayApp] %ProgramFiles%\IDT\WDM\sttray.exe
O4 - HKLM\..\Run: [VideotronSA.exe] "C:\Program Files\Videotron\Videotron Service Agent\VideotronSA.exe" /AUTORUN
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\RunOnce: [IndexCleaner] "C:\Program Files\Videotron\Services de sécurité Vidéotron\IdxClnR.exe"
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-21-779550340-3325667706-3849895782-1003\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'yvon')
O4 - HKUS\S-1-5-21-779550340-3325667706-3849895782-1003\..\RunOnce: [IndexCleaner] "C:\Program Files\Videotron\Services de sécurité Vidéotron\IdxClnR.exe" (User 'yvon')
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe
O23 - Service: PC Tools Firewall Plus (PCToolsFirewallPlus) - Unknown owner - C:\Program Files\PC Tools Firewall Plus\FWService.exe (file missing)
O23 - Service: PDAgent - Raxco Software, Inc. - C:\Program Files\Raxco\PerfectDisk10\PDAgent.exe
O23 - Service: PDEngine - Raxco Software, Inc. - C:\Program Files\Raxco\PerfectDisk10\PDEngine.exe
O23 - Service: Services de sécurité Vidéotron (Radialpoint Security Services) - Vidéotron - C:\Program Files\Videotron\Services de sécurité Vidéotron\RpsSecurityAwareR.exe
O23 - Service: RadialpointIDSAgent - AVG Technologies CZ, s.r.o. - C:\Program Files\Videotron\Services de sécurité Vidéotron\AVG\Identity Protection\agent\Bin\AVGIDSAgent.exe
O23 - Service: Services de sécurité Vidéotron Coupe-feu (RP_FWS) - Vidéotron - C:\Program Files\Videotron\Services de sécurité Vidéotron\Fws.exe
O23 - Service: ServicepointService - Radialpoint Inc. - C:\Program Files\Videotron\Videotron Service Agent\ServicepointService.exe
O23 - Service: Audio Service (STacSV) - IDT, Inc. - C:\Windows\system32\STacSV.exe