tried AVG and spybot and CWSHREDDER
here is the log
Logfile of HijackThis v1.98.2
Scan saved at 7:48:02 PM, on 11/20/2004
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v5.00 SP4 (5.00.2920.0000)
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:\PROGRA~1\Grisoft\AVG6\avgserv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\rundll32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\explorer.exe
C:\WINNT\system32\rundll32.exe
C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe
C:\WINNT\system32\taksmgr.exe
C:\Program Files\Winamp3\Studio.exe
C:\dtem2.exe
C:\Documents and Settings\Administrator\Desktop\HijackThis.exe
C:\Program Files\Adobe\Illustrator 10\Support Files\Contents\Windows\Illustrator.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\dtem2.exe
I:\hichjack\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.co.in/
F2 - REG:system.ini: Shell=explorer.exe C:\WINNT\system32\svohost.exe
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: (no name) - {825CF5BD-8862-4430-B771-0C15C5CA8DEF} - C:\WINNT\EliteToolBar\EliteToolBar version 53.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [load32] C:\WINNT\system32\swchost.exe
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~1.DLL,NewDotNetStartup -s
O4 - HKLM\..\Run: [Start Upping] taksmgr.exe
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\Run: [Sys29] c:\winnt\system32\winiit32.exe
O4 - HKLM\..\RunServices: [Start Upping] taksmgr.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - HKCU\..\Run: [Start Upping] taksmgr.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item: &Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Yahoo! &Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! &Maps - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes0521.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes0521.dll
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 - Broken Internet access because of LSP provider 'antiyfilter.dll' missing
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{D6B82F8D-D0E3-47C2-86D2-689304189018}: NameServer = 203.145.184.13 202.56.250.5