Pages indesirables internet explorer

Bonjour, voila je suis envahie par un tas de pages indésirables, étend donner que mon ordinateur est toujours branché à Internet il apparaît fréquemment des pages (quelque exemples)

https://www.unibet.com/

http://www.sonnerie.net/0-000/fr_fr/accueil/index.html

https://adultfriendfinder.com/

http://www.ebookers.fr/afo/flights/step1.html?DEP=TLS&ARR=&COS%3

mais aussi des pages toutes blanche

résultat retour Windows répétitif…….
J’ai avast comme anti-virus ainssi que ad-aware et enfin Spybot - Search & Destroy tous mise à jour .
J’ai fais quelque recherche j’ai pu comprendre qu’il faut utiliser hijackthis,
donc voilà ce que je reçois après avoir analysé :
Logfile of HijackThis v1.99.1
Scan saved at 15:47:00, on 05/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ULiRaid\ULiRaid.exe
C:\WINDOWS\system32\winsys2.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\WINDOWS\RTHDCPL.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\ThiWeb Live\thiweblive.exe
C:\Program Files\Ideazon\ZEngine\Zboard.exe
C:\WINDOWS\system32\WinSys.exe
C:\FRAPS\FRAPS.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe
C:\Program Files\TGTSoft\StyleXP\StyleXP.exe
C:\Program Files\PC-TV\WinManager\WinManager.exe
C:\Program Files\Xfire\Xfire.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexStoreSvr.exe
C:\Program Files\ThiWeb Live\tlmaj.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\uTorrent\utorrent.exe
C:\Program Files\Windows Media Player\wmplayer.exe
G:\Program Files\Steam\Steam.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Microsoft Office\Office12\WINWORD.EXE
D:\Programme\désinfection\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://flashmail.club-internet.fr/
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
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: TGTSoft Explorer Toolbar Changer - {C333CF63-767F-4831-94AC-E683D962C63C} - C:\Program Files\TGTSoft\StyleXP\TGT_BHO.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [ULiRaid] C:\Program Files\ULiRaid\ULiRaid.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [SW20] C:\WINDOWS\system32\sw20.exe
O4 - HKLM\..\Run: [SW24] C:\WINDOWS\system32\sw24.exe
O4 - HKLM\..\Run: [WinSys2] C:\WINDOWS\system32\winsys2.exe
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [ThiWebLive] C:\Program Files\ThiWeb Live\thiweblive.exe
O4 - HKLM\..\Run: [Zboard] C:\Program Files\Ideazon\ZEngine\Zboard.exe
O4 - HKLM\..\Run: [WinSys] C:\WINDOWS\system32\WinSys.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Fichiers communs\Ahead\Lib\NeroCheck.exe
O4 - HKCU\..\Run: [Steam] "g:\program files\steam\steam.exe" -silent
O4 - HKCU\..\Run: [Fraps] C:\FRAPS\FRAPS.EXE
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [STYLEXP] C:\Program Files\TGTSoft\StyleXP\StyleXP.exe -Hide
O4 - Startup: Xfire.lnk = C:\Program Files\Xfire\Xfire.exe
O4 - Global Startup: WinManager.lnk = C:\Program Files\PC-TV\WinManager\WinManager.exe
O8 - Extra context menu item: E&xport to 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
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
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
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://download.microsoft.com/download/E/5/6/E5611B10-0D6D-4117-8430-A67417AA88CD/LegitCheckControl.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Fichiers communs\Microsoft Shared\Help\hxds.dll
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Filter hijack: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} - C:\Program Files\Fichiers communs\Microsoft Shared\OFFICE12\MSOXMLMF.DLL
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: SF FrontLine Drivers Auto Removal (v1) (sfrem01) - Protection Technology (StarForce) - C:\WINDOWS\system32\sfrem01.exe
O23 - Service: StyleXPService - Unknown owner - C:\Program Files\TGTSoft\StyleXP\StyleXPService.exe

Pouvez-vous m’aider svp

Configuration: windows xp sp2