Can Anyone help To Hijack This Log File Of my Systerm?

Logfile of HijackThis v1.99.1

Scan saved at 7:42:07 PM, on 9/26/2006

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:\PROGRA~1\ALWILS~1\Avast4\ashDisp.ex...

C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe

C:\WINDOWS\System32\Ati2evxx.exe

C:\Program Files\Alwil Software\Avast4\ashServ.exe

C:\Program Files\Linksys\Wireless-G Notebook Adapter\NICServ.exe

C:\Program Files\Alwil Software\Avast4\ashWebSv.exe

C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe

C:\WINDOWS\explorer.exe

C:\WINDOWS\System32\svchost.exe

C:\Program Files\Avant Browser\avant.exe

C:\Program Files\MSN Messenger\msnmsgr.exe

C:\WINDOWS\system32\NOTEPAD.EXE

C:\Program Files\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.msn.com/0SEENSG/SAOS01?FORM=TOO...

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com.sg/

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.acer.com

R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://g.msn.com/0SEENSG/SAOS01?FORM=TOO...