voici le resultat de hijackthis:
Logfile of HijackThis v1.99.1
Scan saved at 01:24:55, on 07/14/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\spoolsv.exe
C:\WINDOWS\Explorer.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\PROGRA~1\DAP\DAP.EXE
C:\Documents and Settings\Espada\Mes documents\telecharge\WinComm.exe
C:\Program Files\Spyware Doctor\spydoctor.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Changeur de fond d'écran\Data\CFE TrayIcon.exe
C:\Documents and Settings\Espada\Mes documents\telecharge\WinLock.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\Espada\Mes documents\HijackThis.exe
C:\Program Files\Messenger\msmsgs.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://static.vpptechnologies.com/playfulsearch/landing.html?s=
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://www.oneclicksearches.com/search.php?qq=%1
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = http://www.oneclicksearches.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = about:blank
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = 127.0.0.1
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - _{1C78AB3F-A857-482e-80C0-3A1E5238A565} - (no file)
F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\Nail.exe
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O3 - Toolbar: (no name) - {014DA6C9-189F-421a-88CD-07CFE51CFF10} - (no file)
O3 - Toolbar: (no name) - {62999427-33FC-4baf-9C9C-BCE6BD127F08} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Fichiers communs\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [DownloadAccelerator] C:\PROGRA~1\DAP\DAP.EXE /STARTUP
O4 - HKLM\..\Run: [Win Comm] C:\Documents and Settings\Espada\Mes documents\telecharge\WinComm.exe
O4 - HKLM\..\Run: [gnckmb] c:\windows\system32\pouptq.exe
O4 - HKLM\..\RunServices: [Microsoft Update] C:\Program Files\Internet Explorer\IEXPLORE.EXE
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\spydoctor.exe" /Q
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Startup: CFE TrayIcon.lnk = ?
O4 - Startup: CFE.lnk = ?
O8 - Extra context menu item: &Download with &DAP - C:\PROGRA~1\DAP\dapextie.htm
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Search - http://bar.mywebsearch.com/menusearch.html?p=ZRxdm073YYFR
O8 - Extra context menu item: Download &all with DAP - C:\PROGRA~1\DAP\dapextie2.htm
O8 - Extra context menu item: Pages liées - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
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
O16 - DPF: A3Cab1 - http://www.globalcashsolutions.com/kithtml/A3Cab1.CAB
O16 - DPF: ChatSpace Full Java Client 3.1.0.229 - http://surechat.com:9000/Java/cfs31229.cab
O16 - DPF: PackageHtmlCab - http://acces.blonde.com/package/op/PackageHtmlCab.CAB
O16 - DPF: teleir_cert - https://static.ir.dgi.minefi.gouv.fr/secure/connexion/archives/ie4n4/teleir_cert.cab
O16 - DPF: {0594AF7E-573B-40DF-8165-E47AB2EAEFE8} - http://akamai.downloadv3.com/binaries/P2EClient/EGAUTH_1026_FR_XP.cab
O16 - DPF: {17E7DE1A-E636-46E2-B626-E928F7966A2F} (hWebPass Control) -
O16 - DPF: {1C78AB3F-A857-482E-80C0-3A1E5238A565} - http://toolbar.isearch.com/general/drm.cab
O16 - DPF: {2472DCCC-68CE-49DA-AA81-E7E6D83C1DFA} (PackageHTML) - http://acces.blonde.com/package/op/PackageHtmlCab.CAB
O16 - DPF: {316D8899-9789-4279-BDB6-D226EAB1826A} (CompCtl Class) -
O16 - DPF: {469C7080-8EC8-43A6-AD97-45848113743C} -
O16 - DPF: {50AD557E-3426-41FD-AFDD-2AF39BB1C387} -
O16 - DPF: {7DBFDA8E-D33B-11D4-9269-00600868E56E} -
O16 - DPF: {8e0d4de5-3180-4024-a327-4dfad1796a8d} (MessengerStatsClient Class) -
O16 - DPF: {8F48147B-78D9-40F9-ACC0-BDDE59B246F4} (UpgradeTool Class) - https://clients.modulonet.fr/UpgradeTool.cab
O16 - DPF: {99802379-7362-40E2-9D28-8A3B9AF880B7} - http://hotsearchbar.com/toolbar2/winhot32.cab
O16 - DPF: {E3F7205F-2AE0-4BF0-816B-2D24A5F20EC7} - http://fr4-download.strip-player.com/download/stripplayer/bin/activestripsetup_minsize.cab
O16 - DPF: {F72BC3F0-6C20-4793-9DDA-258589D8A907} -
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
O23 - Service: System Startup Service (SvcProc) - Unknown owner - C:\WINDOWS\svcproc.exe (file missing)
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe