Here's the hijackthis file, if it helps:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11:14:26 AM, on 29/08/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16705)
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\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Compaq Connections\5577497\Program\Compaq Connections.exe
C:\WINDOWS\arservice.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\Program Files\Common Files\LightScribe\LSSrvc.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\system32\tcpsvcs.exe
C:\WINDOWS\System32\snmp.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\mqsvc.exe
C:\WINDOWS\system32\mqtgsvc.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\System32\svchost.exe
c:\windows\system\hpsysdrv.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=EN_CA&c=63&bd=PRESARIO&pf=desktop
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=EN_CA&c=63&bd=PRESARIO&pf=desktop
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
www.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar =
http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=EN_CA&c=63&bd=PRESARIO&pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: HpWebHelper - {AAAE832A-5FFF-4661-9C8F-369692D1DCB9} - C:\WINDOWS\pchealth\helpctr\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\plugin\WebHelper.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\4.1.509.6972\swg.dll
O2 - BHO: PDFCreator Toolbar Helper - {C451C08A-EC37-45DF-AAAD-18B51AB5E837} - C:\Program Files\PDFCreator Toolbar\v3.3.0.1\PDFCreator_Toolbar.dll
O3 - Toolbar: PDFCreator Toolbar - {31CF9EBE-5755-4A1D-AC25-2834D952D9B4} - C:\Program Files\PDFCreator Toolbar\v3.3.0.1\PDFCreator_Toolbar.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [HPBootOp] "C:\Program Files\Hewlett-Packard\HP Boot Optimizer\HPBootOp.exe" /run
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [updateMgr] C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe AcRdB7_1_0
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-18\..\Run: [Run] regsvr32.exe /s "C:\Documents and Settings\NetworkService\Application Data\sp1\mstalk.dll" (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [Run] regsvr32.exe /s "C:\Documents and Settings\NetworkService\Application Data\sp1\mstalk.dll" (User 'Default user')
O4 - .DEFAULT User Startup: Pin.lnk = C:\hp\bin\CLOAKER.EXE (User 'Default user')
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Compaq Connections.lnk = C:\Program Files\Compaq Connections\5577497\Program\Compaq Connections.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: PowerWord - {8DE0FCD4-5EB5-11D3-AD25-00002100131B} - C:\PROGRA~1\KINGSOFT\FASTAIT\IEPLUGIN.DLL
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Joyo - {C8CE29C5-7589-11D3-B81B-0080C8DC5DC8} - C:\PROGRA~1\KINGSOFT\FastAIT\IePlugIn.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: Internet Connection Help - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
O9 - Extra 'Tools' menuitem: Internet Connection Help - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
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
O16 - DPF: {FFBB3F3B-0A5A-4106-BE53-DFE1E2340CB1} (DLM Control) -
http://dlm.tools.akamai.com/dlmanager/versions/activex/dlm-activex-2.2.3.4.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{86A26DEB-D106-4AA6-A66B-73D73AB0AE75}: NameServer = 216.254.141.13 209.90.160.220
O20 - Winlogon Notify: !SASWinLogon - C:\Program Files\SUPERAntiSpyware\SASWINLO.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
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End of file - 9526 bytes