dont know about Virus

Here is Hi Jack's log
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Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 3:27:38 PM, on 7/20/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
F:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
F:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
F:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Documents and Settings\Administrator\Desktop\winlogon.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://server.toolbar.rediff.com/toolbar/4.0/sidesearch.html?mode=toolbar
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://server.toolbar.rediff.com/toolbar/4.0/sidesearch.html?mode=toolbar
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://server.toolbar.rediff.com/toolbar/4.0/sidesearch.html?mode=toolbar
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.reliancebroadband.co.in/home?t=frc9cr61
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://server.toolbar.rediff.com/toolbar/4.0/sidesearch.html?mode=toolbar
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: QUICKfind BHO Object - {C08DF07A-3E49-4E25-9AB0-D3882835F153} - C:\PROGRA~1\TEXTware\QUICKF~1\PlugIns\IEHelp.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "F:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [QuickTime Task] "F:\Program Files\K-Lite Codec Pack\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [googletalk] C:\Program Files\Google\Google Talk\googletalk.exe /autostart
O4 - HKLM\..\Run: [avgnt] "F:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [RemoteControl] "F:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SUPERAntiSpyware] F:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
O4 - HKCU\..\Run: [AutoStartNPSAgent] C:\Program Files\Samsung\Samsung New PC Studio\NPSAgent.exe
O4 - HKCU\..\Policies\Explorer\Run: [Msn] c:\QY4.exe
O4 - HKCU\..\Policies\Explorer\Run: [MsnHost] c:\QY4.exe
O4 - HKCU\..\Policies\Explorer\Run: [MsnLoad] c:\QY4.exe
O4 - HKCU\..\Policies\Explorer\Run: [MsnConvert] c:\QY4.exe
O4 - HKCU\..\Policies\Explorer\Run: [MsnMessendger] c:\QY4.exe
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [Msn] c:\rtW.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [MsnHost] c:\rtW.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [MsnLoad] c:\rtW.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [MsnConvert] c:\rtW.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [MsnMessendger] c:\rtW.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Policies\Explorer\Run: [Msn] c:\rtW.exe (User 'Default user')
O8 - Extra context menu item: E&xport to Microsoft Excel - res://F:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - F:\PROGRA~1\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - F:\PROGRA~1\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - F:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - F:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - F:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.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
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 85.255.112.232,85.255.112.234
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 85.255.112.232,85.255.112.234
O20 - Winlogon Notify: !SASWinLogon - F:\Program Files\SUPERAntiSpyware\SASWINLO.dll
O23 - Service: Avira AntiVir Personal - Free Antivirus Scheduler (AntiVirScheduler) - Avira GmbH - F:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Guard (AntiVirService) - Avira GmbH - F:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: FsUsbExService - Teruten - C:\WINDOWS\system32\FsUsbExService.Exe

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End of file - 5806 bytes
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I feel it came along with firefox.....
It is not giving as much problem, but after closing firefox when i open my taskmanager, it shows a firefox process is still running and several other processes along with it which are new to me..

What to do next?

Now I am receiving the message more than one time :
"Please do not leave the name field blank" everytime i open my PC. This message comes in a pop up window..

Sort out my problem....I am waiting here for your reply

Is anybody there?

Please read our rules:

http://www.geekpolice.net/virus-spyware-malware-removal-f11/no-reply-for-2-days-t5764.htm