voila mon hijackthis
 
 
Logfile of HijackThis v1.99.1
Scan saved at 10:17:24, on 16/08/2005
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:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\USB ADSL\CnxDslTb.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\DOCUME~1\FRANCK~1\LOCALS~1\Temp\Rar$EX00.063\HijackThis.exe
 
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.be/0SEFRBE/SAOS01
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.be/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.files-ftp.com/~unicorni/phpBB2/index.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Need2Find Bar BHO - {4D1C4E81-A32A-416b-BCDB-33B3EF3617D3} - C:\Program Files\Need2Find\bar\2.bin\ND2FNBAR.DLL
O2 - BHO: InstaFinderK - {4E7BD74F-2B8D-469E-90F0-F66AB581A933} - C:\PROGRA~1\INSTAF~1\INSTAF~1.DLL
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\system32\dla\tfswshx.dll
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [StorageGuard] "C:\Program Files\Fichiers communs\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Program Files\USB ADSL\CnxDslTb.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe"  -osboot
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\system32\P2P Networking\P2P Networking.exe /AUTOSTART
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: &Search - http://kx.bar.need2find.com/KX/menusearch.html?p=KX
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: 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
O14 - IERESET.INF: START_PAGE_URL=http://www.files-ftp.com/~unicorni/phpBB2/index.php
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} (Web P2P Installer) -  
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://groups.msn.com/controls/PhotoUC/MsnPUpld.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/087d27 [...] 601_fr.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ [...] loader.cab
O16 - DPF: {C5E28B9D-0A68-4B50-94E9-E8F6B4697514} (NsvPlayX Control) - http://www.nullsoft.com/nsv/embed/nsvplayx_vp3_mp3.cab
O16 - DPF: {EE8B6D5F-FEF2-11D0-B13F-00A024798EF3} (Microsoft Search Settings Control) - http://lg.home.microsoft.com/searc [...] ttings.cab
O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) - http://chat.msn.com/controls/msnchat45.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{67361598-1A32-4247-B00D-0311FBE68E34}: NameServer = 62.58.94.130 62.58.62.132
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
 

Aide sur HJT :
http://forum.hardware.fr/hardwaref [...] 1913-1.htm

je sais pas trop, mais j aime pas la ligne :  
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\system32\P2P Networking\P2P Networking.exe /AUTOSTART
 
et ta Start page : http://www.files-ftp.com/~unicorni/phpBB2/index.php

Désinstalle P2Pnetworking via ajout/supression de programmes. Fais de même pour :
Need2Find Bar  
InstaFinder
ou similaire.    
 
Puios coche et fixe ces lignes en cliquant sur le bouton "fix checked" :
O2 - BHO: Need2Find Bar BHO - {4D1C4E81-A32A-416b-BCDB-33B3EF3617D3} - C:\Program Files\Need2Find\bar\2.bin\ND2FNBAR.DLL  
O2 - BHO: InstaFinderK - {4E7BD74F-2B8D-469E-90F0-F66AB581A933} - C:\PROGRA~1\INSTAF~1\INSTAF~1.DLL  
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\system32\P2P Networking\P2P Networking.exe /AUTOSTART  
O8 - Extra context menu item: &Search - http://kx.bar.need2find.com/KX/menusearch.html?p=KX  
O16 - DPF: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} (Web P2P Installer) -
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/087d27 [...] 601_fr.cab  
 
 
Reposte ensuite un log après redémarrage.
Dis-moi aussi si tu as eu des problèmes entre-temps.