Plèmes widows dll aurai disparu de mon ordi

Boujour à tous .
je posséde actuellement un ordi avec le logiciel xp familial.
depuis plusieurs jours mon ordinateur éprouve des difficultées à effectuer les opérations que je lui demande, voir parfois il se bloque complètement, deplus depuis quelques jours je vois apparaitre sans arret des messages d alerte système
et une petite croix rouge avec comme méssage widows dll intouvable .
je posséde depuis peu l'antivirus kaperski qui lorsque je l'ai mis en place à détecté 19 virus! aurais je supprimé des fichiés importants par erreurs? depuis la mise en place de cet antis virus j'ai l'impression que mon ordi rame plus. Après lecture de qq pages du site j'ai effectué un scan avec hijackthis.
Merci pour tous les conceils que vous pourrez m'apporter.

ogfile of HijackThis v1.99.1
Scan saved at 21:37:54, on 02/11/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe
C:\PROGRA~1\MESSAG~1\StartMessager.exe
C:\Program Files\Winamp\winampa.exe
C:\PROGRA~1\WANADOO\CnxMon.exe
C:\PROGRA~1\WANADOO\TaskbarIcon.exe
C:\WINDOWS\System32\P2P Networking\P2P Networking.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\Playlist.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpohmr08.exe
C:\Program Files\Nikon\PictureProject\NkbMonitor.exe
C:\Program Files\Micro Application\Sécurité Internet\Anti-Hacker\KAVPF.exe
C:\Program Files\Antipub\antipub.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpoevm08.exe
C:\PROGRA~1\WANADOO\EspaceWanadoo.exe
C:\PROGRA~1\WANADOO\ComComp.exe
C:\PROGRA~1\WANADOO\Watch.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\del.mick\Local Settings\Temporary Internet Files\Content.IE5\CFNBEO1H\HijackThis[1].exe
C:\WINDOWS\system32\NOTEPAD.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.wanadoo.fr/go/page_recherche/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: StartBHO Class - {30192F8D-0958-44E6-B54D-331FD39AC959} - C:\Program Files\IntBar\rundlg32.dll (file missing)
O2 - BHO: myBar BHO - {0494D0D1-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: StartBHO Class - {30192F8D-0958-44E6-B54D-331FD39AC959} - C:\Program Files\IntBar\rundlg32.dll (file missing)
O2 - BHO: SponsorAdulto Class - {511F9316-771B-4953-A268-1C36DA667FE9} - C:\WINDOWS\Downloaded Program Files\sponsoradulto.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: My &Search Bar - {0494D0D9-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL
O3 - Toolbar: Search Bar - {0E1230F8-EA50-42A9-983C-D22ABC2EED3B} - C:\Program Files\IntBar\rundlg32.dll (file missing)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Fichiers communs\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [RoxioAudioCentral] "C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe"
O4 - HKLM\..\Run: [MessagerStarter Wanadoo] C:\PROGRA~1\MESSAG~1\StartMessager.exe Messager Wanadoo
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [adiras] adiras.exe
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\WANADOO\CnxMon.exe
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\WANADOO\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\WANADOO\TaskbarIcon.exe
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\System32\P2P Networking\P2P Networking.exe /AUTOSTART
O4 - HKLM\..\Run: [WMCRRS] C:\WINDOWS\System32\WMCRRS.EXE
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Micro Application\Sécurité Internet\Anti-Virus\kav.exe" /minimize
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Instant Access] rundll32.exe EGDACCESS_1068.dll,InstantAccess
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - Startup: Anti-Pub.lnk = C:\Program Files\Antipub\antipub.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: hpoddt01.exe.lnk = ?
O4 - Global Startup: hp psc 1000 series.lnk = ?
O4 - Global Startup: NkbMonitor.exe.lnk = C:\Program Files\Nikon\PictureProject\NkbMonitor.exe
O4 - Global Startup: Anti-Hacker.lnk = ?
O8 - Extra context menu item: &Traduire à partir de l'anglais - res://c:\program files\google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: Pages liées - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Recherche &Google - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: Yahoo! Chat - http://us.chat1.yimg.com/us.yimg.com/i/chat/applet/c381/chat.cab
O16 - DPF: {0594AF7E-573B-40DF-8165-E47AB2EAEFE8} (EGEGAUTH Class) - http://akamai.downloadv3.com/binaries/P2EClient/EGAUTH_1022_FR_XP.cab
O16 - DPF: {0B682CC1-FB40-4006-A5DD-99EDD3C9095D} (vbiewer control) - http://www.thepaymentcentre.com/build/vbiewer.cab
O16 - DPF: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} (Web P2P Installer) -
O16 - DPF: {2B323CD9-50E3-11D3-9466-00A0C9700498} (Yahoo! Audio Conferencing) - http://us.chat1.yimg.com/us.yimg.com/i/chat/applet/v45/yacscom.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {469C7080-8EC8-43A6-AD97-45848113743C} - http://akamai.downloadv3.com/binaries/IA/nethv32_FR_XP.cab
O16 - DPF: {511F9316-771B-4953-A268-1C36DA667FE9} (SponsorAdulto Class) - http://ip.sponsoradulto.com/cab/3/fr/SysWebTelecomInt.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {71CBDCD9-0830-4470-A890-35D364DA352C} - http://scripts.downloadv3.com/binaries/P2EClient/EGAUTH_1047_FR_XP.cab
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://floridakeysmedia.tv/axiscam/Codebase/AxisCamControl.ocx
O16 - DPF: {95460ABD-946A-46FF-9F56-268718323EEE} - http://scripts.downloadv3.com/binaries/EGDAccess/EGDACCESS_1068_XP.cab
O16 - DPF: {B2B0AEDF-7CDF-4792-BB67-7654AD1E1B13} - http://scripts.downloadv3.com/binaries/IA/sysinetsvc32_FR_XP.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {C2FCEF52-ACE9-11D3-BEBD-00105AA9B6AE} (Symantec RuFSI Registry Information Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {D670D0B3-05AB-4115-9F87-D983EF1AC747} (AOL Downloader Plugin) - http://photos02.aol.fr/ygp/aol/plugin/download/YGPPicDownload.fr-FR.9.1.6.18.cab
O16 - DPF: {EFB22865-F3BC-4309-ADFA-C8E078A7F762} (SysWebTelecomInt Class) - http://www.sponsoradulto.com/cab/14/fr/SysWebTelecomInt.cab
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IncrediMail) - http://www2.incredimail.com/contents/setup/downloader_sp1/imloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{396B56AD-EBBF-4A10-9BEA-25ADFB17DF54}: NameServer = 80.10.246.1 80.10.246.132
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Micro Application\Sécurité Internet\Anti-Virus\kavsvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe