Voici rapport

je ne sais pas comment répondre, c'est pour ça que je reviens ici pour répondre,
le rapport est celui là:
Logfile of random's system information tool 1.06 (written by random/random)
Run by user at 2010-03-04 22:45:05
Microsoft® Windows Vista™ Professionnel Service Pack 2
System drive C: has 29 GB (37%) free of 79 GB
Total RAM: 2037 MB (34% free)

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22:47:06, on 04/03/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18882)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\system32\runonce.exe
C:\Windows\system32\cmd.exe
C:\Windows\system32\conime.exe
C:\Windows\explorer.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\Users\user\AppData\Local\Autobahn\autobahn.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BtStackServer.exe
C:\Windows\system32\notepad.exe
C:\Program Files\HSDPA USB MODEM\USB Modem.exe
C:\Program Files\Netscape\Navigator 9\navigator.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Users\user\Desktop\RSIT.exe
C:\Program Files\trend micro\user.exe
C:\Users\user\Desktop\RSIT.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
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://fr.msn.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Windows Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - (no file)
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\Program Files\Real\RealPlayer\rpbrowserrecordplugin.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: IeMonitor - {8170D7DC-BDD6-461e-88EB-F047257898C9} - C:\Program Files\Conceiva\DownloadStudio\DLMonitr.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live ID - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: DownloadStudio IE Toolbar - {CB789373-04D5-4ef4-9C16-871463FD0830} - C:\Program Files\Conceiva\DownloadStudio\WebDLBar.dll
O4 - HKLM\..\Run: [egui] "C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe" /hide /waitservice
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\Windows\system32\WLTRAY.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Google Update] "C:\Users\user\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [Messenger (Yahoo!)] "C:\PROGRA~1\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.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 - Startup: autobahn.lnk = C:\Users\user\AppData\Local\Autobahn\autobahn.exe
O4 - Global Startup: BTTray.lnk = ?
O8 - Extra context menu item: Add Page To DownloadStudio Scrapbook... - C:\Program Files\Conceiva\DownloadStudio\ds_snap.htm
O8 - Extra context menu item: Download Image Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_img.htm
O8 - Extra context menu item: Download Link Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_file.htm
O8 - Extra context menu item: Download Page Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_all.htm
O8 - Extra context menu item: Download Selection Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_sel.htm
O8 - Extra context menu item: Download Video using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_video.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Envoyer au périphérique &Bluetooth... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O8 - Extra context menu item: Envoyer l'&image au périphérique Bluetooth... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O8 - Extra context menu item: Show Page Links Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_link.htm
O8 - Extra context menu item: Subscribe To RSS/Podcast Using DownloadStudio... - C:\Program Files\Conceiva\DownloadStudio\ds_rss.htm
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra 'Tools' menuitem: @btrez.dll,-12650 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O13 - Gopher Prefix:
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} - http://fichiers.touslesdrivers.com/...
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{6BB5DC6C-A3A8-4080-9C6A-15E2983561F0}: NameServer = 154.15.199.142 8.8.8.8
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: Andrea ST Filters Service (AESTFilters) - Andrea Electronics Corporation - C:\Windows\system32\aestsrv.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: ESET HTTP Server (EhttpSrv) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\EHttpSrv.exe
O23 - Service: ESET Service (ekrn) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\ekrn.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: SigmaTel Audio Service (STacSV) - IDT, Inc. - C:\Windows\system32\STacSV.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\Windows\System32\WLTRYSVC.EXE
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe
O23 - Service: Yahoo! Updater (YahooAUService) - Yahoo! Inc. - C:\Program Files\Yahoo!\SoftwareUpdate\YahooAUService.exe