Hi, having a problem with Firefox automatically unwanted windows with advertising - often with unsuitable content for my son, so very annoying. I ran HiKackThis and here is the logfile - can anyone help. Thanks

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:04:31 AM, on 10/8/2009
Platform: Windows 2003 SP1 (WinNT 5.02.3790)
MSIE: Internet Explorer v6.00 SP1 (6.00.3790.1830)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWService.exe
C:\Program Files (x86)\Juniper Networks\Common Files\dsNcService.exe
C:\Program Files (x86)\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe
C:\Program Files (x86)\MSN Messenger\MsnMsgr.Exe
C:\Program Files (x86)\Creative\Creative Live! Cam\Live! Cam Manager\CTLCMgr.exe
C:\Program Files (x86)\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\Program Files (x86)\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files (x86)\Java\jre1.6.0_06\bin\jusched.exe
C:\Program Files (x86)\Creative\Creative Live! Cam\VideoFX\StartFX.exe
C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWTray.exe
C:\Program Files (x86)\Java\jre1.6.0_06\bin\jucheck.exe
C:\Program Files (x86)\MSN Messenger\usnsvc.exe
C:\Program Files (x86)\Mozilla Firefox\firefox.exe
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = res://shdoclc.dll/softAdmin.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.theprizeday.com/today.php
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files (x86)\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Media Access Startup - {25B8D58C-B0CB-46b0-BA64-05B3804E4E86} - C:\Program Files (x86)\Media Access Startup\\HPIEAddOn.dll
O2 - BHO: NP Helper Class - {35B8D58C-B0CB-46b0-BA64-05B3804E4E86} - C:\Program Files (x86)\Internet Saving Optimizer\\NPIEAddOn.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files (x86)\Java\jre1.6.0_06\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: System Search Dispatcher - {CDBFB47B-58A8-4111-BF95-06178DCE326D} - C:\Program Files (x86)\System Search Dispatcher\\ssd.dll
O4 - HKLM\..\Run: [SigmatelSysTrayApp] stsystra.exe
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~2\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files (x86)\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Java\jre1.6.0_06\bin\jusched.exe"
O4 - HKLM\..\Run: [V0230Mon.exe] C:\WINDOWS\V0230Mon.exe
O4 - HKLM\..\Run: [AVFX Engine] "C:\Program Files (x86)\Creative\Creative Live! Cam\VideoFX\StartFX.exe"
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files (x86)\Common Files\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files (x86)\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Uniblue RegistryBooster 2009] C:\Program Files (x86)\Uniblue\RegistryBooster\RegistryBooster.exe /S
O4 - HKCU\..\Run: [Creative Live! Cam Manager] "C:\Program Files (x86)\Creative\Creative Live! Cam\Live! Cam Manager\CTLCMgr.exe"
O4 - HKUS\S-1-5-19\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'NETWORK SERVICE')
O4 - HKUS\S-1-5-18\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'Default user')
O4 - Global Startup: Service Manager.lnk = C:\Program Files (x86)\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: Save YouTube Video - res://C:\Program Files (x86)\Common Files\DVDVideoSoft\Dll\IEContextMenuY.dll/scriptY2MP4.htm
O8 - Extra context menu item: Save YouTube Video as MP3 - res://C:\Program Files (x86)\Common Files\DVDVideoSoft\Dll\IEContextMenuY.dll/scriptY2MP3.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files (x86)\Java\jre1.6.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files (x86)\Java\jre1.6.0_06\bin\ssv.dll
O23 - Service: CdmsServer - Accuray Inc. - C:\cdms\bin\CdmsServer.exe
O23 - Service: Client for NFS (Client For NFS) - Unknown owner - C:\WINDOWS\system32\nfsclnt.exe (file missing)
O23 - Service: DICOMService - Unknown owner - C:\accuray\bin\DICOMService.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - Unknown owner - C:\WINDOWS\System32\dmadmin.exe (file missing)
O23 - Service: DRRMonitor (DrrMonitor) - Accuray Inc. - C:\cdms\bin\DrrMonitor.exe
O23 - Service: DrrService - Accuray Inc. - C:\cdms\bin\DrrService.exe
O23 - Service: Juniper Network Connect Service (dsNcService) - Juniper Networks - C:\Program Files (x86)\Juniper Networks\Common Files\dsNcService.exe
O23 - Service: Event Log (Eventlog) - Unknown owner - C:\WINDOWS\system32\services.exe (file missing)
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files (x86)\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: HTTP SSL (HTTPFilter) - Unknown owner - C:\WINDOWS\System32\lsass.exe (file missing)
O23 - Service: ILOG License Manager - Unknown owner - C:\ILOG\ILM\windows\x64win\ilmserv.exe
O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWService.exe
O23 - Service: Distributed Transaction Coordinator (MSDTC) - Unknown owner - C:\WINDOWS\system32\msdtc.exe (file missing)
O23 - Service: Net Logon (Netlogon) - Unknown owner - C:\WINDOWS\system32\lsass.exe (file missing)
O23 - Service: NT LM Security Support Provider (NtLmSsp) - Unknown owner - C:\WINDOWS\system32\lsass.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - Unknown owner - C:\WINDOWS\system32\nvsvc64.exe (file missing)
O23 - Service: Plug and Play (PlugPlay) - Unknown owner - C:\WINDOWS\system32\services.exe (file missing)
O23 - Service: IPSEC Services (PolicyAgent) - Unknown owner - C:\WINDOWS\system32\lsass.exe (file missing)
O23 - Service: Protected Storage (ProtectedStorage) - Unknown owner - C:\WINDOWS\system32\lsass.exe (file missing)
O23 - Service: Remote Desktop Help Session Manager (RDSessMgr) - Unknown owner - C:\WINDOWS\system32\sessmgr.exe (file missing)
O23 - Service: Security Accounts Manager (SamSs) - Unknown owner - C:\WINDOWS\system32\lsass.exe (file missing)
O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files (x86)\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: TabletService - Unknown owner - C:\WINDOWS\system32\Tablet.exe (file missing)
O23 - Service: Virtual Disk Service (vds) - Unknown owner - C:\WINDOWS\System32\vds.exe (file missing)
O23 - Service: Volume Shadow Copy (VSS) - Unknown owner - C:\WINDOWS\System32\vssvc.exe (file missing)
O23 - Service: WMI Performance Adapter (WmiApSrv) - Unknown owner - C:\WINDOWS\system32\wbem\wmiapsrv.exe (file missing)

End of file - 7121 bytes

The first thing I notice is you do not have an anti-virus program on the computer. Please do the following:
Download and install Avira. Update the program and have it do a Full System scan. Allow it to delete or Quarantine anything it finds.

Second you most certainly DO have malware on the computer.

Please download Malwarebytes' Anti-Malware (MBA-M) to your Desktop.
* DoubleClick mbam-setup.exe and follow the prompts to install MBA-M.
* Be sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
* If an update is found, it will download and install the latest version if one is available. There are always new updates to the definitions.
* Once the program has loaded, select Perform full scan, then choose the drive(s) then click Scan.
* When the scan is complete, click OK, then Show Results to view the results.
* Be sure that everything is checked, and click Remove Selected if malware is found.
* When MBA-M finishes, Notepad will open with the log. Please save it where you can find it easily.The log can be retrieved by opening up MBAM and clicking on the Logs Tab at the top of the program .

Reboot the computer.

Run a new HiJackThis scan and save the log. Post back here with the MBA-M scan, the HJT scan and if possible the results of the Avira scan.

Hi, thanks for the helpful suggestions. I have an application on this system which means it has to run Windows Server 2003 and as a server Avira and other free AV's can't be installed - unless you know of one.

I did run Spyware Nuker and Malawarebytes before but have now updated Malawarebytes and run it again - found lots of stuff. Removed all, rebooted and ran HiJackThis again - both log files are attached.

Many thanks

I am going to go through the logs but first thing you MUST do is get that Spyware Nuker programs OFF the computer. That is NOT a good program, in fact it IS considered spyware/malware itself. So uninstall it.
By not having an anti-virus program on your computer you are putting all other computers you are in contact with in jeopardy you have to get an anti-virus program IMMEDIATELY.

Antivir Server WILL work on your sytem. No, it isn't free but it is NOT expensive at all.

If you won't put an antivirus program on your computer because it isn't free then you shouldn't be operating the computer online. Sorry but that's the way I believe.