Belle infection

Bonjour,
voila , en fait mon PC portable me trouve plein de virus environ 1 toutes les 3 secondes
j'ai essaye beaucoup de logiciels mais rien

pouvez vous m'aider s'il vous plait en plus j'en ai besoin pour une reunion ce soir

PC marque ACER travelmate2100

voici mon rapport hijackthis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 15:17:06, on 19/09/2008
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
Boot mode: Normal

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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Orange\AntivirusFirewall\Common\FSM32.EXE
C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\fsgk32st.exe
C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\FSGK32.EXE
C:\Program Files\Orange\AntivirusFirewall\Common\FSMA32.EXE
C:\Program Files\Orange\AntivirusFirewall\Common\FSMB32.EXE
C:\Program Files\Orange\AntivirusFirewall\Common\FCH32.EXE
C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\fsqh.exe
C:\Program Files\Orange\AntivirusFirewall\Common\FAMEH32.EXE
C:\Program Files\Orange\AntivirusFirewall\FSGUI\fsguidll.exe
C:\Program Files\Orange\AntivirusFirewall\FWES\Program\fsdfwd.exe
C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\fssm32.exe
C:\Program Files\Orange\AntivirusFirewall\FSAUA\program\fsaua.exe
C:\Program Files\Orange\AntivirusFirewall\FSAUA\program\fsus.exe
C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\fsav32.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\Orange\AntivirusFirewall\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\Orange\AntivirusFirewall\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKUS\S-1-5-21-1085031214-1644491937-725345543-1003\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background (User '?')
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/...
O16 - DPF: {BDBDE413-7B1C-4C68-A8FF-C5B2B4090876} (F-Secure Online Scanner 3.3) - http://orange.securitoo.com/ols/fscax.cab
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\Orange\AntivirusFirewall\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Automatic Update Agent (FSAUA) - F-Secure Corporation - C:\Program Files\Orange\AntivirusFirewall\FSAUA\program\fsaua.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Orange\AntivirusFirewall\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\Orange\AntivirusFirewall\Common\FSMA32.EXE
O23 - Service: WLTRYSVC - Unknown owner - C:\WINDOWS\System32\wltrysvc.exe