Je suis infecte donc j'ai besoin d'aide :(

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:18:11, on 23/08/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\system32\ZoneLabs\vsmon.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\WINDOWS\system32\spoolsv.exe
D:\Program Files\Analog Devices\Core\smax4pnp.exe
D:\Program Files\Analog Devices\SoundMAX\Smax4.exe
D:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
D:\Program Files\Java\jre1.6.0_02\bin\jusched.exe
D:\WINDOWS\system32\RUNDLL32.EXE
D:\Program Files\a-squared Free\a2service.exe
D:\WINDOWS\system32\nvsvc32.exe
D:\WINDOWS\system32\PnkBstrA.exe
D:\WINDOWS\system32\svchost.exe
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
F:\Xfire\xfire.exe
D:\Program Files\Mozilla Firefox\firefox.exe
D:\WINDOWS\explorer.exe
D:\Program Files\MSN Messenger\usnsvc.exe
D:\Documents and Settings\frédéric\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.google.fr/ie
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.google.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.google.fr/ie
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.google.fr/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://login.live.com/ppsecure/sha1auth.srf?lc=1036
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O1 - Hosts file is located at: D:\WINDOWS\System32\drivers\etc\hosts
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - D:\Program Files\Java\jre1.6.0_02\bin\ssv.dll
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAShCut.exe
O4 - HKLM\..\Run: [SoundMAXPnP] D:\Program Files\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [SoundMAX] "D:\Program Files\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE D:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [ZoneAlarm Client] "D:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [avast!] D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "D:\Program Files\Java\jre1.6.0_02\bin\jusched.exe"
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE D:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKUS\S-1-5-19\..\RunOnce: [Config] %systemroot%\system32\run.cmd (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [nlsf] cmd.exe /C move /Y "%SystemRoot%\System32\syssetub.dll" "%SystemRoot%\System32\syssetup.dll" (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\RunOnce: [Config] %systemroot%\system32\run.cmd (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\RunOnce: [Config] %systemroot%\system32\run.cmd (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [Config] %systemroot%\system32\run.cmd (User 'Default user')
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - D:\Program Files\Java\jre1.6.0_02\bin\ssv.dll
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986....
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPACl...
O16 - DPF: {F5A7706B-B9C0-4C89-A715-7A0C6B05DD48} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab569...
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - D:\Program Files\a-squared Free\a2service.exe
O23 - Service: Adobe LM Service - Adobe Systems - D:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - D:\Program Files\Alwil Software\Avast4\aswUpdSv.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: ##Id_String1.6844F930_1628_4223_B5CC_5BB94B879762## (Bonjour Service) - Apple Computer, Inc. - D:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - D:\Program Files\Fichiers communs\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - D:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PnkBstrA - Unknown owner - D:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: Sandra Data Service (SandraDataSrv) - SiSoftware - D:\Program Files\SiSoftware\SiSoftware Sandra Pro Personnel 2007.SP1\Win32\RpcDataSrv.exe
O23 - Service: Sandra Service (SandraTheSrv) - SiSoftware - D:\Program Files\SiSoftware\SiSoftware Sandra Pro Personnel 2007.SP1\RpcSandraSrv.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - D:\WINDOWS\system32\ZoneLabs\vsmon.exe

--
End of file - 6061 bytes

; for 16-bit app support
[drivers]
wave=mmdrv.dll
timer=timer.drv
[mci]
[VCache]
MinFileCache=131072
MaxFileCache=131072
[driver32]
[386enh]
ConservativeSwapfileUsage=1
woafont=app850.FON
EGA80WOA.FON=EGA80850.FON
EGA40WOA.FON=EGA40850.FON
CGA80WOA.FON=CGA80850.FON
CGA40WOA.FON=CGA40850.FON