I believe my system is infected . I saw gOhgkog.exe in process list and explorer.exe is taking 30% cpu all the times. here is the hijackthis log
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Logfile of HijackThis v1.99.1
Scan saved at 10:19:55 AM, on 12/1/2006
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:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\ThinkPad\ConnectUtilities\AcPrfMgrSvc.exe
C:\Program Files\AccessManager\Client\AMBroker.exe
C:\Program Files\LANDesk\Shared Files\residentagent.exe
C:\Program Files\Symantec AntiVirus\DefWatch.exe
C:\WINDOWS\system32\Hummbird\inetd32.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\LANDesk\LDClient\LocalSch.EXE
C:\WINDOWS\system32\CBA\pds.exe
C:\Program Files\LANDesk\LDClient\tmcsvc.exe
C:\PROGRA~1\LANDesk\LDClient\issuser.exe
C:\Program Files\Symantec AntiVirus\SavRoam.exe
C:\Program Files\LANDesk\LDClient\softmon.exe
C:\Program Files\Symantec AntiVirus\Rtvscan.exe
C:\Program Files\ThinkPad\ConnectUtilities\AcSvc.exe
C:\WINDOWS\system32\MsgSys.EXE
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\Program Files\Bginfo\Bginfo.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\PROGRA~1\SYMANT~1\VPTray.exe
C:\Program Files\ThinkPad\ConnectUtilities\ACTray.exe
C:\Program Files\ThinkPad\ConnectUtilities\ACWLIcon.exe
C:\Program Files\AccessManager\Client\AccessMgr.exe
C:\Program Files\LANDesk\LDClient\webportal\sdclientmonitor.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
C:\WINDOWS\system32\ctfmon.exe
c:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Download\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.comcast.net/toolbar2.0/search/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.comcast.net/toolbar2.0/search/
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat

7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Comcast Toolbar - {4E7BD74F-2B8D-469E-93BE-BE2DF4D9AE29} - C:\PROGRA~1\COMCAS~1\COMCAS~1.DLL
O3 - Toolbar: Comcast Toolbar - {4E7BD74F-2B8D-469E-93BE-BE2DF4D9AE29} - C:\PROGRA~1\COMCAS~1\COMCAS~1.DLL
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [BGInfo] "C:\Program Files\Bginfo\Bginfo.exe" /taskbar "C:\Program Files\Bginfo\Bginfo.bgi"
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\VPTray.exe
O4 - HKLM\..\Run: [UpdateManager] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [ACTray] "C:\Program Files\ThinkPad\ConnectUtilities\ACTray.exe"
O4 - HKLM\..\Run: [ACWLIcon] "C:\Program Files\ThinkPad\ConnectUtilities\ACWLIcon.exe"
O4 - HKLM\..\Run: [AccessManager] "C:\Program Files\AccessManager\Client\AccessMgr.exe"
O4 - HKLM\..\Run: [IntelAPMClient] "C:\Program Files\LANDesk\LDClient\amclient.exe" /apm /s /ro
O4 - HKLM\..\Run: [SDClientMonitor] "C:\Program Files\LANDesk\LDClient\webportal\sdclientmonitor.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [SynTPLpr] "C:\Program Files\Synaptics\SynTP\SynTPLpr.exe"
O4 - HKLM\..\Run: [SynTPEnh] "C:\Program Files\Synaptics\SynTP\SynTPEnh.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O8 - Extra context menu item: E&xport to Microsoft Excel - res://c:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program

Files\Java\j2re1.4.2_12\bin\npjpi142_12.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program

Files\Java\j2re1.4.2_12\bin\npjpi142_12.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - c:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file

missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network

Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\Program

Files\Yahoo!\Messenger\YahooMessenger.exe
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\Program

Files\Yahoo!\Messenger\YahooMessenger.exe
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} - http://download.mcafee.com/molbin/shared/m…01/mcinsctl.cab
O16 - DPF: {AE3E8210-B33F-49C1-B4E2-860F5F4D732F} (Avocent DSView Session Launcher Control) -

https://csbenpdsview/dsview/applets/viewerLauncher.cab
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} - http://download.mcafee.com/molbin/shared/m…,26/mcgdmgr.cab
O16 - DPF: {C4847596-972C-11D0-9567-00A0C9273C2A} (Crystal Report Viewer Control) -

http://smagicapp/SCRmagictsd/Reports/activ…tivexviewer.cab
O20 - Winlogon Notify: ACNotify - ACNotify.dll (file missing)
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\system32\NavLogon.dll
O20 - Winlogon Notify: WRNotifier - WRLogonNTF.dll (file missing)
O20 - Winlogon Notify: xmm13g - xmm13g.dll (file missing)
O21 - SSODL: System - {24445A5D-2520-4619-B073-2AC84BABBE06} - dgflib.dll (file missing)
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Ac Profile Manager Service (AcPrfMgrSvc) - Unknown owner - C:\Program

Files\ThinkPad\ConnectUtilities\AcPrfMgrSvc.exe
O23 - Service: Access Connections Main Service (AcSvc) - Lenovo - C:\Program Files\ThinkPad\ConnectUtilities\AcSvc.exe
O23 - Service: Access Manager Configuration Service (AMBroker) - Unknown owner - C:\Program

Files\AccessManager\Client\AMBroker.exe
O23 - Service: LANDesk® Management Agent (CBA8) - LANDesk Software, Ltd. - C:\Program Files\LANDesk\Shared

Files\residentagent.exe