Virus empechant toute install d'anti-virus

Bonjour,
Bonjour,
j'ai attrapé sur le net un virus qui empeche l'installation de tout antivirus, en effet il ferme automatiquement la fenetre d'install dès son ouverture, comment m'en debarasser. Merci d'avance

voici le rapport d'hijackThis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:18:39, on 02/12/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16544)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\System32\svchost.exe
C:\Program Files\Ahead\InCD\InCDsrv.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\RTHDCPL.EXE
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Acer\Acer eMode Management\AspireService.exe
C:\Program Files\Acer\Acer eConsole\MediaSync.exe
C:\Program Files\Picasa2\PicasaMediaDetector.exe
C:\Program Files\Ahead\InCD\InCD.exe
C:\Program Files\Fichiers communs\ACD Systems\EN\DevDetect.exe
C:\Program Files\Winamp\Winampa.exe
C:\PROGRA~1\GOTOSO~1\VADERE~1\Vaderetro_oe.exe
C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Le Robert\Le Petit Robert\prhyper.exe
C:\Program Files\lycos\Lyc_SysTray.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Micro Application\Dictionnaire bilingue Anglais\MediaDICOGB.EXE
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Micro Application\Dictionnaire bilingue Anglais\RacGB.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Program Files\acer\Acer eConsole\MediaServerService.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
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
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Program Files\Secured_eMule\tbSec0.dll
R3 - URLSearchHook: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Program Files\Multi_Media\tbMul0.dll
R3 - URLSearchHook: Online TV Toolbar - {40d1c3a7-4ffb-4443-b3a0-a64b2df7fc3b} - C:\Program Files\Online_TV\tbOnl1.dll
R3 - URLSearchHook: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - c:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Program Files\Secured_eMule\tbSec0.dll
O2 - BHO: Online TV Toolbar - {40d1c3a7-4ffb-4443-b3a0-a64b2df7fc3b} - C:\Program Files\Online_TV\tbOnl1.dll
O2 - BHO: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: EoRezoBHO - {64F56FC1-1272-44CD-BA6E-39723696E350} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
O2 - BHO: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Program Files\Multi_Media\tbMul0.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: (no name) - {A45A2D20-15D0-4FDD-BBD4-01143E0DDC10} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Program Files\Secured_eMule\tbSec0.dll
O3 - Toolbar: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Program Files\Multi_Media\tbMul0.dll
O3 - Toolbar: Online TV Toolbar - {40d1c3a7-4ffb-4443-b3a0-a64b2df7fc3b} - C:\Program Files\Online_TV\tbOnl1.dll
O3 - Toolbar: Share Accelerator MM Toolbar - {4596013b-6c31-408b-a266-deae5c086dc2} - C:\Program Files\Share_Accelerator_MM\tbSha1.dll
O4 - HKLM\..\Run: [LaunchApp] Alaunch
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAShCut.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [ntiMUI] c:\Program Files\NewTech Infosystems\NTI CD & DVD-Maker 7\ntiMUI.exe
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [MSPY2002] C:\WINDOWS\system32\IME\PINTLGNT\ImScInst.exe /SYNC
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [AspireService] C:\Program Files\Acer\Acer eMode Management\AspireService.exe
O4 - HKLM\..\Run: [MediaSync] C:\Program Files\Acer\Acer eConsole\MediaSync.exe
O4 - HKLM\..\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe
O4 - HKLM\..\Run: [EPSON Stylus Photo RX620 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATI9HE.EXE /P31 "EPSON Stylus Photo RX620 Series" /O6 "USB001" /M "Stylus Photo RX620"
O4 - HKLM\..\Run: [EPSON Stylus Photo RX620 Series (Copie 1)] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATI9HE.EXE /P41 "EPSON Stylus Photo RX620 Series (Copie 1)" /O6 "USB001" /M "Stylus Photo RX620"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\Ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [Device Detector] DevDetect.exe -autorun
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\Winampa.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [BufferZone] "C:\Program Files\BufferZone\CLIENTGUI.EXE" /STARTUP
O4 - HKLM\..\Run: [Vade Retro Outlook Express] "C:\PROGRA~1\GOTOSO~1\VADERE~1\Vaderetro_oe.exe"
O4 - HKLM\..\Run: [SpySweeper] "C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe" /startintray
O4 - HKLM\..\Run: [powvgfk] c:\windows\system32\powvgfk.exe powvgfk
O4 - HKLM\..\Run: [a-squared] "C:\Program Files\a-squared Anti-Malware\a2guard.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Le Petit Robert Hyperappel] C:\Program Files\Le Robert\Le Petit Robert\prhyper.exe
O4 - HKCU\..\Run: [lycosInside] C:\Program Files\lycos\Lyc_SysTray.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [MediaDICOGB] C:\Program Files\Micro Application\Dictionnaire bilingue Anglais\LanceMediaDICOGB.exe Lancement
O4 - HKCU\..\Run: [NBJ] "C:\Program Files\Ahead\Nero BackItUp\NBJ.exe"
O4 - HKCU\..\Run: [VoipBuster] "C:\Program Files\VoipBuster.com\VoipBuster\VoipBuster.exe" -nosplash -minimized
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.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 RÉSEAU')
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: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: Event Reminder.lnk = C:\Program Files\Broderbund\PrintMaster\PMremind.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Télécharger avec &BitSpirit - C:\Program Files\BitSpirit\bsurl.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O17 - HKLM\System\CCS\Services\Tcpip\..\{F8957966-953D-483D-A831-4016398C07C9}: NameServer = 84.103.237.143 86.64.145.143
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: Acer Media Server - Acer Inc. - C:\Program Files\acer\Acer eConsole\MediaServerService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe (file missing)
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InCD Helper (InCDsrv) - Nero AG - C:\Program Files\Ahead\InCD\InCDsrv.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Webroot Spy Sweeper Engine (svcWRSSSDK) - Webroot Software, Inc. - C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe