would you please help me ?

Logfile of HijackThis v1.99.1
Scan saved at 00:59:36, on 02/04/2007
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\Ati2evxx.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashserv.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\Symantec\Norton Ghost 2003\GhostStartService.exe
C:\Program Files\Sunbelt Software\Personal Firewall\kpf4ss.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Sunbelt Software\Personal Firewall\kpf4gui.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Sunbelt Software\Personal Firewall\kpf4gui.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
C:\Program Files\Analog Devices\SoundMAX\Smax4.exe
C:\Program Files\Symantec\Norton Ghost 2003\GhostStartTrayApp.exe
C:\Program Files\SAGEM WiFi manager\WLANUTL.exe
C:\Program Files\Tor\tor.exe
F:\utilitaires\personnalisation d'interface windows\tclock2.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINNT\system32\mobsync.exe
C:\Program Files\Hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.orange.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [avast!] C:\Program Files\Alwil Software\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
O4 - HKLM\..\Run: [SoundMAX] "C:\Program Files\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [GhostStartTrayApp] C:\Program Files\Symantec\Norton Ghost 2003\GhostStartTrayApp.exe
O4 - HKCU\..\Run: [CCleaner] "C:\Program Files\CCleaner\CCleaner.exe" /AUTO
O4 - Startup: Tor.lnk = C:\Program Files\Tor\tor.exe
O4 - Global Startup: Utilitaire réseau pour SAGEM Wi-Fi 11g USB adapter.lnk = C:\Program Files\SAGEM WiFi manager\WLANUTL.exe
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
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/eng/partner/d...can_unicode.cab
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
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: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashserv.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: GhostStartService - Symantec Corporation - C:\Program Files\Symantec\Norton Ghost 2003\GhostStartService.exe
O23 - Service: Sunbelt Kerio Personal Firewall 4 (KPF4) - Sunbelt Software - C:\Program Files\Sunbelt Software\Personal Firewall\kpf4ss.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe

kapersky scan :

Monday, April 02, 2007 2:57:29 AM
Operating System: Microsoft Windows 2000 Professional, Service Pack 4 (Build 2195)
Kaspersky Online Scanner version: 5.0.83.0
Kaspersky Anti-Virus database last update: 2/04/2007
Kaspersky Anti-Virus database records: 273320


Scan Settings
Scan using the following antivirus database standard
Scan Archives true
Scan Mail Bases true

Scan Target My Computer
A:\
C:\
D:\
E:\
F:\
I:\
J:\

Scan Statistics
Total number of scanned objects 29942
Number of viruses found 1
Number of infected objects 1 / 0
Number of suspicious objects 0
Duration of the scan process 00:23:56

Infected Object Name Virus Name Last Action
C:\Documents and Settings\john wayne\Cookies\index.dat Object is locked skipped

C:\Documents and Settings\john wayne\Local Settings\Application Data\Microsoft\Windows\UsrClass.dat Object is locked skipped

C:\Documents and Settings\john wayne\Local Settings\Application Data\Microsoft\Windows\UsrClass.dat.LOG Object is locked skipped

C:\Documents and Settings\john wayne\Local Settings\Historique\History.IE5\index.dat Object is locked skipped

C:\Documents and Settings\john wayne\Local Settings\Historique\History.IE5\MSHist012007040220070403\index.dat Object is locked skipped

C:\Documents and Settings\john wayne\Local Settings\Temporary Internet Files\Content.IE5\index.dat Object is locked skipped

C:\Documents and Settings\john wayne\NTUSER.DAT Object is locked skipped

C:\Documents and Settings\john wayne\ntuser.dat.LOG Object is locked skipped

C:\Program Files\Alwil Software\Avast4\Data\aswResp.dat Object is locked skipped

C:\Program Files\Alwil Software\Avast4\Data\Avast4.db Object is locked skipped

C:\Program Files\Alwil Software\Avast4\Data\log\AshWebSv.ws Object is locked skipped

C:\Program Files\Alwil Software\Avast4\Data\log\aswMaiSv.log Object is locked skipped

C:\Program Files\Alwil Software\Avast4\Data\report\Protection résidente.txt Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\debug.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\debug.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\error.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\error.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\hips.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\hips.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\ids.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\ids.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\network.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\network.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\system.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\system.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\warning.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\warning.log.idx Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\web.log Object is locked skipped

C:\Program Files\Sunbelt Software\Personal Firewall\logs\web.log.idx Object is locked skipped

C:\WINNT\CSC000001 Object is locked skipped

C:\WINNT\Debug\ipsecpa.log Object is locked skipped

C:\WINNT\Debug\oakley.log Object is locked skipped

C:\WINNT\Debug\PASSWD.LOG Object is locked skipped

C:\WINNT\SchedLgU.Txt Object is locked skipped

C:\WINNT\security\logs\scepol.log Object is locked skipped

C:\WINNT\system32\config\Antivirus.Evt Object is locked skipped

C:\WINNT\system32\config\AppEvent.Evt Object is locked skipped

C:\WINNT\system32\config\default Object is locked skipped

C:\WINNT\system32\config\default.LOG Object is locked skipped

C:\WINNT\system32\config\SAM Object is locked skipped

C:\WINNT\system32\config\SAM.LOG Object is locked skipped

C:\WINNT\system32\config\SecEvent.Evt Object is locked skipped

C:\WINNT\system32\config\SECURITY Object is locked skipped

C:\WINNT\system32\config\SECURITY.LOG Object is locked skipped

C:\WINNT\system32\config\software Object is locked skipped

C:\WINNT\system32\config\software.LOG Object is locked skipped

C:\WINNT\system32\config\SysEvent.Evt Object is locked skipped

C:\WINNT\system32\config\system Object is locked skipped

C:\WINNT\system32\config\SYSTEM.ALT Object is locked skipped

C:\WINNT\system32\Perflib_Perfdata_228.dat Object is locked skipped

C:\WINNT\Temp\_avast4_\Webshlock.txt Object is locked skipped

D:\Program Files\Alwil Software\Avast4\Data\chest000004 Infected: Trojan-Proxy.Win32.Small.a skipped

Scan process completed.

What kind of issues are you having? The only item found by your kaspersky scan was in avasts quarantine, so you can delete that, but it shouldnt be causing you problems.

The hijackthis log looks pretty good, no problems showing there either.

Please run a scan with avg antispyware and post the, instructions found here:
http://forum.piriform.com/index.php?showtopic=6329

thanks a lot for your help
much appreciated