Besoin d'aide pour vider mon pc

Bonjour,
j'aurais besoin d'aide car j'ai beaucoup de pub sur internet
je ne sais d'ou sa vien car je télécharge trés rarement

voici mon analyse hijackthis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:25:24, on 08/03/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16608)
Boot mode: Normal

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\System32\Ati2evxx.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\system32\svchost.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\WINDOWS\system32\spoolsv.exe
D:\WINDOWS\system32\Ati2evxx.exe
D:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
D:\Program Files\Bonjour\mDNSResponder.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
D:\WINDOWS\SOUNDMAN.EXE
D:\Program Files\Java\jre1.6.0_03\bin\jusched.exe
D:\Program Files\HP\HP Software Update\HPWuSchd2.exe
D:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe
D:\WINDOWS\VM_STI.EXE
D:\WINDOWS\system32\rundll32.exe
D:\WINDOWS\system32\ctfmon.exe
D:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
D:\Program Files\Internet Explorer\IEXPLORE.EXE
D:\Program Files\Logitech\SetPoint\SetPoint.exe
D:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
D:\Program Files\Internet Explorer\IEXPLORE.EXE
D:\Program Files\Fichiers communs\Logitech\KHAL\KHALMNPR.EXE
D:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
D:\Program Files\PC Connectivity Solution\ServiceLayer.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\PROGRA~1\LAVASOFT\AD-AWA~1\Ad-Watch.exe
D:\Program Files\Windows Live\Messenger\msnmsgr.exe
D:\WINDOWS\explorer.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
D:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = https://www.bing.com/?FORM=TOOLBR&cc=fr&toHttps=1&redig=4527FFF1C12746FC9EDB535C75E80ECC
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?FORM=TOOLBR&cc=fr&toHttps=1&redig=4527FFF1C12746FC9EDB535C75E80ECC
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.com/?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
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = https://www.bing.com/?FORM=TOOLBR&cc=fr&toHttps=1&redig=4527FFF1C12746FC9EDB535C75E80ECC
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
F2 - REG:system.ini: UserInit=D:\WINDOWS\system32\userinit.exe,D:\DOCUME~1\THOMAS~1\LOCALS~1\Temp\winlogon.exe
O4 - HKLM\..\Run: [ATICCC] "D:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime -Delay
O4 - HKLM\..\Run: [Logitech Hardware Abstraction Layer] KHALMNPR.EXE
O4 - HKLM\..\Run: [avast!] D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] "D:\Program Files\Java\jre1.6.0_03\bin\jusched.exe"
O4 - HKLM\..\Run: [HP Software Update] D:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [PCSuiteTrayApplication] D:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe -startup
O4 - HKLM\..\Run: [BigDogPath] D:\WINDOWS\VM_STI.EXE Vimicro USB PC Camera (ZC0301PL)
O4 - HKLM\..\Run: [QuickTime Task] "D:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "D:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Flash Driver] D:\DOCUME~1\THOMAS~1\LOCALS~1\Temp\winlogon.exe
O4 - HKLM\..\Run: [AXIS TONS THE MP3] D:\Documents and Settings\All Users\Application Data\Readme Live Axis Tons\Else Sixth.exe
O4 - HKLM\..\Run: [320d18a1] rundll32.exe "D:\WINDOWS\system32\tixcugng.dll",b
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [BM1f253c32] Rundll32.exe "D:\WINDOWS\system32\ibcgoltp.dll",s
O4 - HKLM\..\Run: [a0be51a4] rundll32.exe "D:\WINDOWS\system32\kqetgmng.dll",b
O4 - HKCU\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [LDM] D:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - HKCU\..\Run: [Magentic] D:\PROGRA~1\MAGENTIC\bin\Magentic.exe /c
O4 - HKCU\..\Run: [ccleaner] "D:\Program Files\CCleaner\CCleaner.exe" /AUTO
O4 - HKCU\..\Run: [Proxy base] D:\DOCUME~1\THOMAS~1\APPLIC~1\README~1\pure cool clock.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] D:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] D:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] D:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] D:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Logitech SetPoint.lnk = D:\Program Files\Logitech\SetPoint\SetPoint.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = D:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = D:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Microsoft Office.lnk = D:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: Add to Windows &Live Favorites - https://onedrive.live.com/?id=favorites
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - D:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - D:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} - https://www.touslesdrivers.com/index.php?v_page=29
O18 - Protocol: bwfile-8876480 - {9462A756-7B47-47BC-8C80-C34B9B80B32B} - D:\Program Files\Logitech\Desktop Messenger\8876480\Program\GAPlugProtocol-8876480.dll
O23 - Service: Adobe LM Service - Adobe Systems - D:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Apple Mobile Device - Apple, Inc. - D:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - D:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - D:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - ALWIL Software - D:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - D:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Pml Driver HPZ12 - HP - D:\WINDOWS\System32\HPZipm12.exe
O23 - Service: ServiceLayer - Nokia. - D:\Program Files\PC Connectivity Solution\ServiceLayer.exe