Besoin d'aide avec hijackthis....

Bonjour j'ai fais un test avec hijackthis car firefox s'ouvre tout seul et ça me soule. donc hijackthis m'a dit :
Logfile of HijackThis v1.99.1
Scan saved at 14:25:09, on 14/01/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\IMPERSO\System32\smss.exe
C:\IMPERSO\system32\winlogon.exe
C:\IMPERSO\system32\services.exe
C:\IMPERSO\system32\lsass.exe
C:\IMPERSO\system32\svchost.exe
C:\IMPERSO\System32\svchost.exe
C:\IMPERSO\system32\spoolsv.exe
C:\IMPERSO\system32\rundll32.exe
C:\IMPERSO\explorer.exe
C:\IMPERSO\system32\RUNDLL32.EXE
C:\IMPERSO\system32\CTHELPER.EXE
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\IMPERSO\system32\rundll32.exe
C:\windows\banmanpro.exe
C:\Program Files\ISTsvc\istsvc.exe
C:\IMPERSO\sexbnw.exe
C:\Program Files\SurfAccuracy\SAcc.exe
C:\IMPERSO\system32\ctfmon.exe
C:\IMPERSO\lclock.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\IMPERSO\SW1wZXJzb25uZWw\command.exe
C:\IMPERSO\system32\CTsvcCDA.exe
C:\Program Files\Network Monitor\netmon.exe
C:\IMPERSO\system32\nvsvc32.exe
C:\IMPERSO\system32\svchost.exe
C:\Program Files\girder\Girder.exe
C:\IMPERSO\system32\MsPMSPSv.exe
c:\windows\winsysban.exe
C:\Program Files\Winamp\winamp.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\Greg\LOCALS~1\Temp\Rar$EX00.516\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchbar.findthewebsiteyouneed.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.findthewebsiteyouneed.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchbar.findthewebsiteyouneed.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://searchbar.findthewebsiteyouneed.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = C:\windows\system32\blank.htm
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\windows\system32\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - Default URLSearchHook is missing
F2 - REG:system.ini: Shell=explorer.exe "C:\Program Files\Fichiers communs\Microsoft Shared\Web Folders\ibm00001.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\IMPERSO\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\IMPERSO\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [WebCam Go Sti Service Application] wbcgosvc
O4 - HKLM\..\Run: [CTHelper] CTHELPER.EXE
O4 - HKLM\..\Run: [UpdReg] C:\IMPERSO\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [NeroCheck] C:\IMPERSO\system32\NeroCheck.exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [IST Service] C:\Program Files\ISTsvc\istsvc.exe
O4 - HKLM\..\Run: [c9DJF] C:\IMPERSO\sexbnw.exe
O4 - HKLM\..\Run: [SurfAccuracy] C:\Program Files\SurfAccuracy\SAcc.exe
O4 - HKLM\..\Run: [NI.UWA6P_0001_N56M1001] "C:\Documents and Settings\Greg\Bureau\WinAntiVirusPro2006Installer.exe" -nag
O4 - HKLM\..\Run: [winsysupd] c:\windows\winsysupd.exe
O4 - HKLM\..\Run: [winsysban] c:\windows\winsysban.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\IMPERSO\system32\ctfmon.exe
O4 - HKCU\..\Run: [LClock] lclock.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Shell] "C:\Program Files\Fichiers communs\Microsoft Shared\Web Folders\ibm00001.exe"
O4 - HKCU\..\Run: [muuz] C:\PROGRA~1\FICHIE~1\muuz\muuzm.exe
O4 - HKCU\..\Run: [eMuleAutoStart] C:\Program Files\eMule\emule.exe -AutoStart
O4 - Startup: Girder3.lnk = C:\Program Files\girder\Girder.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\Microsoft Office\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSN Messenger\msgrapp.dll" (file missing)
O20 - Winlogon Notify: Mixer - sndmixex.dl (file missing)
O20 - Winlogon Notify: ShellScrap - C:\IMPERSO\system32\m4nq0e55eh.dll
O23 - Service: Command Service (cmdService) - Unknown owner - C:\IMPERSO\SW1wZXJzb25uZWw\command.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\IMPERSO\system32\CTsvcCDA.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Network Monitor - Unknown owner - C:\Program Files\Network Monitor\netmon.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\IMPERSO\system32\nvsvc32.exe


Si quelqu'un peut m'aider .... Merci d'avance d'avoir pris de votre temps