Fond d'ecran bleu du à virus

Bonjour,
j'ai un virus qui a fait disparaitre mon fond d'ecran et qui ralentit mon pc, j'ai telechargé hidjacklthis et voici plus bas le rapport, pourriez vous m'aider?

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 03:21:15, on 20/04/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16640)
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\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\PROGRA~1\ANTIVI~1\backweb\6588780\Program\SERVIC~1.EXE
C:\Program Files\AntivirusFirewall\Anti-Virus\fsgk32st.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\FSGK32.EXE
C:\Program Files\AntivirusFirewall\backweb\6588780\program\fsbwsys.exe
C:\Program Files\AntivirusFirewall\Common\FSMA32.EXE
C:\Program Files\AntivirusFirewall\Anti-Virus\fssm32.exe
C:\Program Files\AntivirusFirewall\Common\FSMB32.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\PAStiSvc.exe
C:\Program Files\AntivirusFirewall\Common\FCH32.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\AntivirusFirewall\backweb\6588780\Program\fspex.exe
C:\Program Files\AntivirusFirewall\Common\FAMEH32.EXE
C:\Program Files\AntivirusFirewall\Anti-Virus\fsqh.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\fsrw.exe
C:\Program Files\AntivirusFirewall\Anti-Virus\fsav32.exe
C:\Program Files\AntivirusFirewall\FWES\Program\fsdfwd.exe
C:\Program Files\Apoint2K\Apoint.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\AntivirusFirewall\Common\FSM32.EXE
C:\Program Files\AntivirusFirewall\FSGUI\ispnews.exe
C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\802.11 Wireless LAN\802.11g Wireless Cardbus & PCI Adapter HW.51 V1.00\WlanCU.exe
C:\PROGRA~1\ANTIVI~1\ANTI-S~1\fsaw.exe
C:\Program Files\AntivirusFirewall\FSGUI\fsguidll.exe
C:\Program Files\Apoint2K\Apntex.exe
C:\Program Files\Apoint2K\HidFind.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\alice tumler\Bureau\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://www.bing.com/search?form=MO0035&q=open+SOL+file
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Packard Bell
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint2K\Apoint.exe
O4 - HKLM\..\Run: [SiSUSBRG] C:\WINDOWS\SiSUSBrg.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\AntivirusFirewall\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\AntivirusFirewall\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\AntivirusFirewall\FSGUI\FSSW.EXE" /reboot
O4 - HKLM\..\Run: [News Service] "C:\Program Files\AntivirusFirewall\FSGUI\ispnews.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKLM\..\Policies\Explorer\Run: [k0lw1wCCjf] C:\Documents and Settings\All Users\Application Data\ropwtavm\hapqpojq.exe
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 Synchronizer.lnk = C:\Program Files\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe
O4 - Global Startup: Antivirus Firewall.lnk = C:\Program Files\AntivirusFirewall\backweb\6588780\Program\fspex.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Reader 8.0\Reader\reader_sl.exe
O4 - Global Startup: Wireless Configuration Utility HW.51.lnk = C:\Program Files\802.11 Wireless LAN\802.11g Wireless Cardbus & PCI Adapter HW.51 V1.00\WlanCU.exe
O8 - Extra context menu item: &Bloquer cette fenêtre publicitaire - C:\Program Files\AntivirusFirewall\Anti-Spyware\blockpopups.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Protection Internet Explorer - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\AntivirusFirewall\Anti-Spyware\ieshield.dll
O9 - Extra 'Tools' menuitem: Protection Internet Explorer... - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\AntivirusFirewall\Anti-Spyware\ieshield.dll
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.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
O14 - IERESET.INF: START_PAGE_URL=file://C:\APPS\IE\offline\fr.htm
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Antivirus Firewall (BackWeb Plug-in - 6588780) - Securitoo Portal - C:\PROGRA~1\ANTIVI~1\backweb\6588780\Program\SERVIC~1.EXE
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\AntivirusFirewall\backweb\6588780\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\AntivirusFirewall\Common\FSMA32.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: MySqlInventime - Unknown owner - c:\mysql\bin\mysqld-max-nt.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: STI Simulator - Unknown owner - C:\WINDOWS\System32\PAStiSvc.exe