Mon pc est infecté.. AIDEZ MOI SVP

Bonjour,
SVP aidez moi, c'est urgent!! mon pc est infecté, il est instable, tres lent au demarrage, et je vois pas mon graveur DVD!!! mes 2 anti virus sont incapable de resoudre le probleme... que dois faire svp!!

je vous joins dans le message ci dessous le rapport RSIT et dans un second message je vous joins mon rapprt djjackthis


Logfile of random's system information tool 1.06 (written by random/random)
Run by Administrateur at 2009-12-08 18:05:19
Microsoft Windows XP Professionnel Service Pack 3
System drive C: has 11 GB (22%) free of 50 GB
Total RAM: 1979 MB (67% free)

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:05:23, on 08/12/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.20861)
Boot mode: Normal

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\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\Program Files\Fichiers communs\Acronis\Schedule2\schedul2.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\ESET\ESET NOD32 Antivirus\ekrn.exe
C:\Program Files\Hotspot Shield\bin\openvpnas.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\system32\igfxpers.exe
C:\Program Files\Athan\Athan.exe
C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\AnglaisFacile.com\Barre Verbes Irréguliers\irreg.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\msiexec.exe
C:\Documents and Settings\Administrateur\Bureau\RSIT.exe
C:\Documents and Settings\Administrateur\Bureau\Administrateur.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.cherche.us/keyword/%s
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 =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.cherche.us/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://ww12.cherche.us
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 172.16.0.1:3128
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\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
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [Athan] C:\Program Files\Athan\Athan.exe
O4 - HKLM\..\Run: [egui] "C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe" /hide /waitservice
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKUS\S-1-5-18\..\RunOnce: [JkDefrag] rundll32 advpack.dll,LaunchINFSection JKDEFRAG.INF,RunOnce,1,N (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [SweetRegistry] rundll32 advpack.dll,LaunchINFSection SweetReg.inf,PerUserStub (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [JkDefrag] rundll32 advpack.dll,LaunchINFSection JKDEFRAG.INF,RunOnce,1,N (User 'Default user')
O4 - Startup: AnglaisFacile.com-Barre Verbes Irréguliers.lnk = ?
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
O16 - DPF: {C7C7152F-6E85-44F3-A14B-A7F85FDDEA3B} (InstallerCtrl Class) - http://ww1.tellmemore-online.com/?subid1=f40be8da-4867-11ea-b603-875b64050730
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Acronis Scheduler2 Service (AcrSch2Svc) - Acronis - C:\Program Files\Fichiers communs\Acronis\Schedule2\schedul2.exe
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: ##Id_String1.6844F930_1628_4223_B5CC_5BB94B879762## (Bonjour Service) - Apple Computer, 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: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Fichiers communs\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Hotspot Shield Service (HotspotShieldService) - Unknown owner - C:\Program Files\Hotspot Shield\bin\openvpnas.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Ma-Config Service (maconfservice) - CybelSoft - C:\Program Files\ma-config.com\maconfservice.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexingService.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\WINDOWS\system32\DRIVERS\xaudio.exe