Here's the HJT log.
Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\PROGRAM FILES\SYGATE\SPF\SMC.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHSERV.EXE
C:\WINDOWS\EXPLORER.EXE
C:\PROGRAM FILES\COMMON FILES\REAL\UPDATE_OB\REALSCHED.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\PROGRAM FILES\SPAMIHILATOR\SPAMIHILATOR.EXE
C:\PROGRAM FILES\LOGITECH\MOUSEWARE\SYSTEM\EM_EXEC.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\UNZIPPED\HIJACKTHIS.EXE
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.abstracts.net/gossip.htmlR1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Comcast High-Speed Internet
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = about:blank
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.DLL__SpybotSDDisabled (file missing)
O3 - Toolbar: (no name) - {9E1128F1-53FA-11D5-8490-0048548030CA} - (no file)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\SYGATE\SPF\SMC.EXE -startgui
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [Logitech Utility] LOGI_MWX.EXE
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SmcService] C:\PROGRAM FILES\SYGATE\SPF\SMC.EXE
O4 - HKLM\..\RunServices: [avast!] C:\Program Files\Alwil Software\Avast4\ashServ.exe
O4 - HKCU\..\Run: [Spamihilator] "C:\Program Files\Spamihilator\spamihilator.exe"
O4 - Startup: systemtray.lnk = C:\WINDOWS\SYSTEM\SysTray.Exe
O4 - Startup: LoadPowerProfile.lnk = ?
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} -
http://a1540.g.akamai.net/7/1540/52/20031028/qtinstall.info.apple.com/abarth/us/win/QuickTimeInstaller.exeO16 - DPF: {166B1BCA-3F9C-11CF-8075-444553540000} (Shockwave ActiveX Control) -
http://download.macromedia.com/pub/shockwave/cabs/director/swdir.cabO16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab