Here's the hijackthis log:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 6:48:07 AM, on 25/12/2011
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:\Program Files\Intel\WiFi\bin\S24EvMon.exe
C:\WINDOWS\system32\spoolsv.exe
c:\program files\idt\dellxpm09b_6124v037\wdm\stacsv.exe
C:\Program Files\SUPERAntiSpyware\SASCORE.EXE
C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Intel\WiFi\bin\EvtEng.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
c:\PROGRA~1\mcafee\SITEAD~1\mcsacore.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Common Files\Intel\WirelessCommon\RegSrvc.exe
C:\Program Files\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\Bin\ccSvcHst.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Sierra Wireless Inc\Common\SwiCardDetect.exe
C:\Program Files\Intel\WiFi\bin\WLKeeper.exe
C:\WINDOWS\system32\SearchIndexer.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\Bin\ccSvcHst.exe
C:\Program Files\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\Bin\Smc.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\IDT\WDM\sttray.exe
C:\WINDOWS\system32\AESTFltr.exe
C:\Program Files\Intel\WiFi\bin\ZCfgSvc.exe
C:\Program Files\Common Files\Intel\WirelessCommon\iFrmewrk.exe
C:\Program Files\DellTPad\Apoint.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
C:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrotray.exe
C:\WINDOWS\system32\wbem\unsecapp.exe
C:\Program Files\DellTPad\ApMsgFwd.exe
C:\Program Files\DivX\DivX Update\DivXUpdate.exe
C:\Program Files\DellTPad\HidFind.exe
C:\Program Files\DellTPad\Apntex.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Telstra\Mobile Broadband Manager\TelstraUCM.exe
C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\McAfee Security Scan\2.0.181\SSScheduler.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Program Files\Microsoft Office\Office14\OUTLOOK.EXE
c:\PROGRA~1\mcafee\SITEAD~1\saui.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\WINDOWS\system32\msiexec.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe
C:\WINDOWS\system32\SearchProtocolHost.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.symantec.com/enterprise/security_response/index.jsp?inid=biz_SR_sep_V12_1_MR_0R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 10.10.10.254:3128
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = nexus.*;nexus;10.10.10.1;
R3 - URLSearchHook: McAfee SiteAdvisor Toolbar - {0EBBBE48-BAD4-4B4C-8E5A-516ABECAE064} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Increase performance and video formats for your HTML5