Help : infection :'(

Bonjour,
je m adresse a vous car google me retourne sur ce site qui a l air de bien aider face aux soucis de virus .
or voila depuis hier c est l anarchie sur mon pc , j ai des pub de partout . j ai passé avg , avast et d autre et aucun résultat . a vrai dire je m y connai mal en virus j avais été epargné depuis de longue années .
pour le moment je vous poste un raport hijackthis réalisé a l instant :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 01:50:02, on 26/04/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)
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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Java\j2re1.4.2_05\bin\jusched.exe
C:\Program Files\a-squared Free\a2service.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\DAEMON Tools\daemon.exe
C:\Program Files\Internet Download Manager\IDMan.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Internet Download Manager\IEMonitor.exe
C:\Program Files\uTorrent\uTorrent.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =

https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =

https://www.google.fr/?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
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O1 - Hosts: 66.98.148.65 auto.search.msn.com
O1 - Hosts: 66.98.148.65 auto.search.msn.es
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program

Files\Java\j2re1.4.2_05\bin\jusched.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE

C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE

C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [SkyTel] SkyTel.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [NBKeyScan] "C:\Program Files\Nero\Nero8\Nero

BackItUp\NBKeyScan.exe"
O4 - HKLM\..\Run: [avast!] "C:\Program Files\Alwil Software\Avast4\ashDisp.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe"

-atboottime
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware

7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [08d0e808] rundll32.exe "C:\WINDOWS\system32\ahfauaor.dll",b
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [DAEMON Tools] "C:\Program Files\DAEMON Tools\daemon.exe"

-lang 1033
O4 - HKCU\..\Run: [IDMan] C:\Program Files\Internet Download Manager\IDMan.exe

/onboot
O4 - HKCU\..\Run: [IndxStoreSvr_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}]

"C:\Program Files\Fichiers communs\Nero\Lib\NMIndexStoreSvr.exe"

ASO-616B5711-6DAE-4795-A05F-39A1E5104020
O8 - Extra context menu item: Download all links with IDM - C:\Program

Files\Internet Download Manager\IEGetAll.htm
O8 - Extra context menu item: Download FLV video content with IDM - C:\Program

Files\Internet Download Manager\IEGetVL.htm
O8 - Extra context menu item: Download with IDM - C:\Program Files\Internet

Download Manager\IEExt.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} -

C:\Program Files\Java\j2re1.4.2_05\bin\npjpi142_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) -

{08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program

Files\Java\j2re1.4.2_05\bin\npjpi142_05.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
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Plugin Control) -

http://appldnld.apple.com.edgesuite.net/content.info.apple.com/QuickTime/qtactiv

ex/qtplugin.cab
O16 - DPF: {2019DC25-D1C0-11D6-97B3-0008A124F542} (StreamPlug Class) -

http://www.streamplug.com/StreamPlug/SP.cab
O16 - DPF: {56762DEC-6B0D-4AB4-A8AD-989993B5D08B} (OnlineScanner Control) -

https://www.eset.com/
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -

http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_

site.cab?1197568617453
O16 - DPF: {67DABFBF-D0AB-41FA-9C46-CC0F21721616} (DivXBrowserPlugin Object) -

http://download.divx.com/player/DivXBrowserPlugin.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{3182EE6A-DE8E-4A8D-9829-E1B69E5BE552}:

NameServer = 212.27.53.252,212.27.54.252
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - C:\Program

Files\a-squared Free\a2service.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software -

C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil

Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil

Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil

Software\Avast4\ashWebSv.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program

Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation -

C:\WINDOWS\system32\nvsvc32.exe