Lecteur de diskette toujours actif

Bonjour,
voila j'ai mon lecteur de disquette qui est toujours en train de chercher s'il y a une disquette j'ai trouvé un virus avec antivir que j'ai supprimer il n'est pas revenue de plus anvir task manager a repérer que la page d'acceuil d'internet explorer avait changer (j'utilise firefox) une image de anvir https://imageshack.com/][img=http://img292.imageshack.us/img292/2857/75662056bl7.th.jpg

un rapport hijachthis:
Logfile of HijackThis v1.99.1
Scan saved at 10:00 IZISSISE, on 25/01/2009
Platform: Unknown Windows (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16764)

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
E:\Avira\AntiVir PersonalEdition Classic\avgnt.exe
E:\Unlocker\UnlockerAssistant.exe
C:\Program Files\ATI Technologies\HydraVision\HydraGrd.exe
C:\Program Files\ATI Technologies\HydraVision\HydraDM.exe
C:\Program Files\ATI Technologies\HydraVision\HydraMD.exe
E:\Free Download Manager\fdm.exe
E:\DAEMON Tools Lite\daemon.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CCC.exe
E:\SpeedFan\speedfan.exe
E:\AnVir Task Manager\AnVir.exe
E:\firefox\firefox.exe
C:\Windows\Explorer.exe
E:\HijackThis.exe
C:\Windows\system32\DllHost.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
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\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: NCO 2.0 IE BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - (no file)
O2 - BHO: FDMIECookiesBHO Class - {CC59E0F9-7E43-44FA-9FAA-8377850BF205} - E:\Free Download Manager\iefdm2.dll
O3 - Toolbar: Gigabyte Toolkit - {b681b554-3c5c-491c-b08e-35aebfd5b3bd} - mscoree.dll (file missing)
O3 - Toolbar: (no name) - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - (no file)
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [Skytel] Skytel.exe
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [Windy31Install] C:\Windows\RaLaunch.exe "H:\Windy31Install.exe"
O4 - HKLM\..\Run: [EasyTuneVI] C:\Program Files\GIGABYTE\ET6\ETcall.exe
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [tray3] C:\Windows\system32\RecvMessage.exe
O4 - HKLM\..\Run: [tray1] C:\Windows\system32\gctray.exe
O4 - HKLM\..\Run: [ALUAlert] "C:\Program Files\Symantec\LiveUpdate\ALuNotify.exe" "/LOWDISKSPACE C"
O4 - HKLM\..\Run: [avgnt] "E:\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [UnlockerAssistant] "E:\Unlocker\UnlockerAssistant.exe"
O4 - HKCU\..\Run: [Grid] "C:\Program Files\ATI Technologies\HydraVision\HydraGrd.exe"
O4 - HKCU\..\Run: [HydraVisionDesktopManager] "C:\Program Files\ATI Technologies\HydraVision\HydraDM.exe"
O4 - HKCU\..\Run: [HydraVisionMDEngine] "C:\Program Files\ATI Technologies\HydraVision\HydraMD.exe"
O4 - HKCU\..\Run: [ISUSPM Startup] c:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\isuspm.exe -startup
O4 - HKCU\..\Run: [Free Download Manager] "E:\Free Download Manager\fdm.exe" -autorun
O4 - HKCU\..\Run: [DAEMON Tools Lite] "E:\DAEMON Tools Lite\daemon.exe" -autorun
O4 - Global Startup: Windy31 Manager.lnk = C:\Program Files\Windy31_Manager\Common\RALAUNCH.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: Ouvrir client sur le moniteur &1 - C:\Windows\web\AOpenClient.htm
O8 - Extra context menu item: Ouvrir client sur le moniteur &2 - C:\Windows\web\AOpenClient.htm
O8 - Extra context menu item: Tout télécharger avec Free Download Manager - file://E:\Free Download Manager\dlall.htm
O8 - Extra context menu item: Télécharger avec Free Download Manager - file://E:\Free Download Manager\dllink.htm
O8 - Extra context menu item: Télécharger la sélection avec Free Download Manager - file://E:\Free Download Manager\dlselected.htm
O8 - Extra context menu item: Télécharger la vidéo avec Free Download Manager - file://E:\Free Download Manager\dlfvideo.htm
O10 - Unknown file in Winsock LSP: c:\windows\system32\nlaapi.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\napinsp.dll
O11 - Options group: [INTERNATIONAL] International*
O13 - Gopher Prefix:
O17 - HKLM\System\CCS\Services\Tcpip\..\{6BE90F38-6407-4225-95F9-38AD37727990}: NameServer = 192.168.1.1
O23 - Service: Planificateur Avira AntiVir Personal - Free Antivirus (AntiVirScheduler) - Avira GmbH - E:\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Guard (AntiVirService) - Avira GmbH - E:\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: Planificateur LiveUpdate automatique (Automatic LiveUpdate Scheduler) - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\AluSchedulerSvc.exe
O23 - Service: COM Service - Unknown owner - C:\Program Files\GIGABYTE\G.O.M\GCSVR.EXE
O23 - Service: @%SystemRoot%\ehome\ehstart.dll,-101 (ehstart) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: GEST Service for program management. (GEST Service) - Unknown owner - C:\Program Files\GIGABYTE\EnergySaver\GSvr.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\LuComServer_3_4.EXE
O23 - Service: @%systemroot%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ServiceModelInstallRC.dll,-8195 (NetMsmqActivator) - Unknown owner - C:\Windows\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\SMSvcHost.exe" -NetMsmqActivator (file missing)
O23 - Service: @%SystemRoot%\system32\qwave.dll,-1 (QWAVE) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%SystemRoot%\system32\seclogon.dll,-7001 (seclogon) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%windir%\system32\inetsrv\iisres.dll,-30003 (W3SVC) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%windir%\system32\inetsrv\iisres.dll,-30001 (WAS) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%ProgramFiles%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - %ProgramFiles%\Windows Media Player\wmpnetwk.exe (file missing)

merci de m'avoir lu .