title pretty much says it. think its malware but i ran malbytes and avg antivirus and got nothing. here is my hijack log.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:05:32 PM, on 6/17/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Unable to get Internet Explorer version!
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\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\RUNDLL32.EXE
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\Internet Explorer\iexplorer.exe
C:\Program Files\Belkin\Nostromo\nost_LM.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\PROGRA~1\AVG\AVG8\avgnsx.exe
C:\Program Files\AVG\AVG8\avgcsrvx.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: UrlHelper Class - {74322BF9-DF26-493f-B0DA-6D2FC5E6429E} - C:\Program Files\BearShare Applications\BearShare MediaBar\BearShareIEHelper.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: BearShare MediaBar - {D3DEE18F-DB64-4BEB-9FF1-E1F0A5033E4A} - C:\Program Files\BearShare Applications\BearShare MediaBar\BearShareMediaBar.dll
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKCU\..\Run: [SystemManger] C:\Program Files\Internet Explorer\iexplorer.exe
O4 - HKUS\S-1-5-21-1935655697-1897051121-725345543-500\..\Run: [SystemManger] C:\Program Files\Internet Explorer\iexplorer.exe (User '?')
O4 - Global Startup: Loadout Manager.lnk = C:\Program Files\Belkin\Nostromo\nost_LM.exe
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O13 - DefaultPrefix:
O13 - WWW Prefix:
O13 - Home Prefix:
O13 - Mosaic Prefix:
O13 - FTP Prefix:
O13 - Gopher Prefix:
O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262F} (System Requirements Lab) - http://www.nvidia.com/content/Driver...reqlab_nvd.cab
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe

--
End of file - 4180 bytes

Hello, bati. Start hijackthis, select Scan Only, place checkmarks against all the entries listed below that still exist, and then press Fix Checked.

O4 - HKCU\..\Run: [SystemManger] C:\Program Files\Internet Explorer\iexplorer.exe
O4 - HKUS\S-1-5-21-1935655697-1897051121-725345543-500\..\Run: [SystemManger] C:\Program Files\Internet Explorer\iexplorer.exe (User '?')
O13 - DefaultPrefix:
O13 - WWW Prefix:
O13 - Home Prefix:
O13 - Mosaic Prefix:
O13 - FTP Prefix:
O13 - Gopher Prefix:

Delete this file: C:\Program Files\Internet Explorer\iexplorer.exe [it's okay... the correct file is iexplore.exe, and it may still be in the Internet Explorer folder].
Post another log run afterward with yur comments, please.