Voilà mon Hijackthis, si ça peut servir à quelqu'un :
Logfile of HijackThis v1.99.1
Scan saved at 20:56:30, on 12/08/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2600.0000)
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\rundll32.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Logiciels Antivirus\aswUpdSv.exe
C:\Logiciels Antivirus\ashServ.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Logiciels Antivirus\ashMaiSv.exe
C:\Logiciels Antivirus\ashWebSv.exe
C:\windows\system\hpsysdrv.exe
C:\HP\KBD\KBD.EXE
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\LOB700~1\ashDisp.exe
C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Documents and Settings\Propriétaire\Bureau\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =
http://results.dashbar.com/search?c=27440&b=17862&t=0&ce=DI&m=NTE5Mzk5OTc5&ver=2.1.0.0
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.wanadoo.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Tiscali
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\PROGRA~1\Wanadoo\SEARCH~1.DLL
O2 - BHO: InstaFinder - {4E7BD74F-2B8D-469E-DCF7-F96DA086B434} - C:\WINDOWS\DOWNLO~1\instafin.dll (file missing)
O2 - BHO: (no name) - {78364D99-A640-4ddf-B91A-67EFF8373045} - C:\WINDOWS\system32\appwiz.dll
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - C:\Program Files\Microsoft Money\System\mnyviewer.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: (no name) - {CC90CDA0-74A0-45b4-80EF-D89CA8C249B8} - (no file)
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb07.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [MoneyStartUp10.0] "C:\Program Files\Microsoft Money\System\Activation.exe"
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [avast!] C:\LOB700~1\ashDisp.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
O4 - HKCU\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Startup: Eurobarre.lnk = C:\Program Files\eurobarre\eb.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: MoneySide - {E023F504-0C5A-4750-A1E7-A9046DEA8A21} - C:\Program Files\Microsoft Money\System\mnyviewer.dll
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} -
http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: fdjeux -
https://www.fdjeux.net/classes/fdjeux.cab
O16 - DPF: Interface Chat Wanadoo -
http://chat9.x-echo.com/version3/Applet/wchatsign.cab
O16 - DPF: teleir_cert -
https://static.ir.dgi.minefi.gouv.fr/secure/connexion/archives/ie4n4/teleir_cert.cab
O16 - DPF: {093F9CF8-0DE1-491C-95D5-5EC257BD4CA3} -
http://akamai.downloadv3.com/binaries/IA/dtc32_FR_XP.cab
O16 - DPF: {09C21411-B9A2-4DE6-8416-4E3B58577BE0} (France Telecom MDM ActiveX Control) -
http://minitelweb.minitel.com/imin_data/ocx/MDM.cab
O16 - DPF: {11111111-1111-1111-1111-111191113457} -
file://c:\ied_s7.cab
O16 - DPF: {11111111-1111-1111-1111-511111193457} -
file://c:\x.cab
O16 - DPF: {11111111-1111-1111-1111-511111193458} -
file://c:\x.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) -
http://go.microsoft.com/fwlink/?linkid=36467&clcid=0x409
O16 - DPF: {42E1F024-ECC3-456F-B98A-4CE5ACDBF25C} (ActiveFormX Contrôle) -
http://selfcare.cegetel.net/templates/static/ocx/AFAutoConfig.ocx
O16 - DPF: {6A060448-60F9-11D5-A6CD-0002B31F7455} (ExentInf Class) -
http://metaboli.wanadoo.fr/components/Metaboli.ocx
O16 - DPF: {6B4788E2-BAE8-11D2-A1B4-00400512739B} (PWMediaSendControl Class) -
http://216.249.24.141/code/PWActiveXImgCtl.CAB
O16 - DPF: {70BA88C8-DAE8-4CE9-92BB-979C4A75F53B} (GSDACtl Class) -
http://launch.gamespyarcade.com/software/launch/alaunch.cab
O16 - DPF: {8F48147B-78D9-40F9-ACC0-BDDE59B246F4} (AccountHelper Class) -
http://register.tiscali.fr/configurateur/AccountHelper.cab
O16 - DPF: {92ABACFE-EF6E-42C7-A824-D50A914B5B70} (MastaCash Loader Class) -
http://dx.mastacash.com/loader.cab
O16 - DPF: {B942A249-D1E7-4C11-98AE-FCB76B08747F} (RealArcadeRdxIE Class) -
http://games-dl.real.com/gameconsole/Bundler/CAB/RealArcadeRdxIE.cab
O16 - DPF: {D8089245-3211-40F6-819B-9E5E92CD61A2} (FlashXControl Object) -
https://fr.jackpotcity.microgaming.com/fr.jackpotcity/FlashAX.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) -
http://antu.popcap.com/games/popcaploader_v5.cab
O16 - DPF: {E855A2D4-987E-4F3B-A51C-64D10A7E2479} (EPSImageControl Class) -
http://tools.ebayimg.com/eps/activex/EPSControl_v1-32.cab
O16 - DPF: {EB387D2F-E27B-4D36-979E-847D1036C65D} (QDiagHUpdateObj Class) -
http://h30043.www3.hp.com/hpdj/fr/check/qdiagh.cab?310
O17 - HKLM\System\CCS\Services\Tcpip\..\{C1957E89-FCF1-4E60-A1AC-3FDFD1F9D8C2}: NameServer = 217.19.192.132 217.19.192.131
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: IntlRun - C:\WINDOWS\system32\cthelper.dll
O21 - SSODL: SystemCheck2 - {54645654-2225-4455-44A1-9F4543D34545} - C:\WINDOWS\System32\vbsys2.dll (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Logiciels Antivirus\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Logiciels Antivirus\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Logiciels Antivirus\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Logiciels Antivirus\ashWebSv.exe" /service (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
Merci.