Virus: newdotnet7_22.dll

Bonjours tout le monde, j'ai regardé un peu comment il faut proceder.
j'ai telecharger les logiciels nécessaires.
voici donc mon rapport : ( newdotnet7_22.dll n'est pas mon seul virus...)

merci d'avance a la personne qui pourrai m'aider.

Logfile of HijackThis v1.99.1
Scan saved at 22:46:38, on 10/12/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\Ati2evxx.exe
C:\PROGRA~1\Navnt\defwatch.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\PROGRA~1\Navnt\rtvscan.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\Explorer.EXE
C:\PROGRA~1\Navnt\vpexrt.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\PROGRA~1\TEXTBR~1.0\Bin\INSTAN~1.EXE
C:\PROGRA~1\Navnt\vptray.exe
C:\WINNT\Mixer.exe
C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe
C:\Program Files\Inventel\Gateway\wlancfg.exe
C:\Program Files\Ahead\InCD\InCD.exe
C:\Program Files\Softwin\BitDefender9\bdoesrv.exe
C:\progra~1\softwin\bitdef~1\bdnagent.exe
C:\WINNT\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\PROGRA~1\Save\Save.exe
c:\winnt\system32\mrkscr.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Softwin\BitDefender9\vsserv.exe
c:\progra~1\softwin\bitdef~1\bdmcon.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\bcoupin\Local Settings\Temp\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.fr/0SEFRFR/SAOS02
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_0.dll (file missing)
O2 - BHO: myBar BHO - {0494D0D1-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL (file missing)
O2 - BHO: - {2D5E5FFB-854A-4825-8EBC-157D10AD0842} - C:\winnt\lbbho.dll (file missing)
O2 - BHO: URLLink - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Program Files\NewDotNet\newdotnet7_22.dll (file missing)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.02.3000.1002\en-xu\stmain.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O3 - Toolbar: My &Search Bar - {0494D0D9-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL (file missing)
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_0.dll (file missing)
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [InstantAccess] C:\PROGRA~1\TEXTBR~1.0\Bin\INSTAN~1.EXE /h
O4 - HKLM\..\Run: [RegisterDropHandler] C:\PROGRA~1\TEXTBR~1.0\Bin\REGIST~1.EXE
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\Navnt\vptray.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe"
O4 - HKLM\..\Run: [wlancfg] C:\Program Files\Inventel\Gateway\wlancfg.exe
O4 - HKLM\..\Run: [Install5G] G:\Install.exe plug_Cameo
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~1.DLL,ClientStartup -s
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\Ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [BDMCon] C:\PROGRA~1\Softwin\BITDEF~1\bdmcon.exe
O4 - HKLM\..\Run: [BDOESRV] "C:\Program Files\Softwin\BitDefender9\bdoesrv.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "c:\progra~1\softwin\bitdef~1\bdnagent.exe"
O4 - HKLM\..\Run: [BDSwitchAgent] "c:\progra~1\softwin\bitdef~1\bdswitch.exe"
O4 - HKLM\..\RunServices: [RegisterDropHandler] C:\PROGRA~1\TEXTBR~1.0\Bin\REGIST~1.EXE
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [WhenUSave] "C:\PROGRA~1\Save\Save.exe"
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Symantec Fax Starter Edition Port.lnk = C:\Program Files\Microsoft Office\Office\1036\OLFSNT40.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O10 - Hijacked Internet access by New.Net
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\osmim.dll
O16 - DPF: symsupportutil - https://www-secure.symantec.com/region/fr/techsupp/activedata/symsupportutil.CAB
O16 - DPF: {41F17733-B041-4099-A042-B518BB6A408C} - http://a1540.g.akamai.net/...
O16 - DPF: {E77C0D62-882A-456F-AD8F-7C6C9569B8C7} (ActiveDataObj Class) - https://www-secure.symantec.com/region/fr/techsupp/activedata/ActiveData.cab
O20 - Winlogon Notify: nwprovau - C:\WINNT\SYSTEM32\nwprovau.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINNT\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINNT\system32\ati2sgag.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: DefWatch - Symantec Corporation - C:\PROGRA~1\Navnt\defwatch.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe" /service (file missing)
O23 - Service: Norton AntiVirus Client (Norton AntiVirus Server) - Symantec Corporation - C:\PROGRA~1\Navnt\rtvscan.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - Unknown owner - C:\Program Files\Softwin\BitDefender9\vsserv.exe" /service (file missing)
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)