Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 1:34:58 PM, on 2/17/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\system32\netdde.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\WINDOWS\system32\cisvc.exe
C:\WINDOWS\System32\dllhost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\CDBurnerXP\NMSAccessU.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\dllhost.exe
C:\Program Files\TuneUp Utilities 2010\TuneUpDefragService.exe
C:\Program Files\TuneUp Utilities 2010\TuneUpUtilitiesService32.exe
C:\WINDOWS\System32\vssvc.exe
C:\WINDOWS\System32\wbem\wmiapsrv.exe
C:\Program Files\Yahoo!\SoftwareUpdate\YahooAUService.exe
C:\WINDOWS\System32\dmadmin.exe
C:\Program Files\TuneUp Utilities 2010\TuneUpUtilitiesApp32.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\cidaemon.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Program Files\CA Yahoo! Anti-Spy\CAYahooAntispy.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE

O1 - Hosts: 91.184.6.104 pagead2.googlesyndication.com
O1 - Hosts: 91.184.6.104 pagead2.googlesyndication.com
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: BndVeano4 BHO Class - {8E4881AC-49E2-4761-9542-7E40C73CFB96} - (no file)
O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\YTSingleInstance.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-18\..\Policies\Explorer\Run: [{5C39CE04-03A2-1033-0330-010323200001}] "C:\Program Files\Common Files\{5C39CE04-03A2-1033-0330-010323200001}\Update.exe" te-110-12-0000132 (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Policies\Explorer\Run: [{5C39CE04-03A2-1033-0330-010323200001}] "C:\Program Files\Common Files\{5C39CE04-03A2-1033-0330-010323200001}\Update.exe" te-110-12-0000132 (User 'Default user')
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_06\bin\npjpi142_06.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_06\bin\npjpi142_06.dll
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
O15 - Trusted Zone: http://*.travelers.com
O15 - Trusted Zone: http://*.travelerspc.com
O15 - Trusted Zone: http://*.travelers.com (HKLM)
O15 - Trusted Zone: http://*.travelerspc.com (HKLM)
O16 - DPF: {0E5F0222-96B9-11D3-8997-00104BD12D94} (PCPitstop Utility) - http://www.pcpitstop.com/betapit/PCPitStop.CAB
O16 - DPF: {1663ed61-23eb-11d2-b92f-008048fdd814} (MeadCo ScriptX Advanced) - http://intp1.central-insurance.com/scriptx/smsx.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1297893485714
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = Applied.lan
O17 - HKLM\Software\..\Telephony: DomainName = Applied.lan
O17 - HKLM\System\CCS\Services\Tcpip\..\{2B95E077-5D7A-4E76-B05E-8747DB04D34E}: NameServer = 165.76.4.2
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = Applied.lan
O17 - HKLM\System\CS1\Services\Tcpip\..\{2B95E077-5D7A-4E76-B05E-8747DB04D34E}: NameServer = 165.76.4.2
O20 - Winlogon Notify: ASEMftp - ASEMftp.dll (file missing)
O20 - Winlogon Notify: byxyyaa - C:\WINDOWS\
O20 - Winlogon Notify: MT4173a0 - MT4173a0.dll (file missing)
O20 - Winlogon Notify: winwel32 - C:\WINDOWS\
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: NMSAccess - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: TuneUp Drive Defrag Service (TuneUp.Defrag) - TuneUp Software - C:\Program Files\TuneUp Utilities 2010\TuneUpDefragService.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files\TuneUp Utilities 2010\TuneUpUtilitiesService32.exe
O23 - Service: Windows XP Vista - Unknown owner - C:\WINDOWS\system\svchost.exe (file missing)
O23 - Service: Yahoo! Updater (YahooAUService) - Yahoo! Inc. - C:\Program Files\Yahoo!\SoftwareUpdate\YahooAUService.exe

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End of file - 6378 bytes

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See the area: Using ComboFix, and when done, post the log back here.