The machine in question is not my own, and I won't get to make another "housecall" until tomorrow. I believe that it originally had Norton installed, but I uninstalled it sometime ago (at least I think I did), so although there may be some residual crap left around in the registry, I'm pretty sure there really is only one virus scanner installed.
Below is a copy of the HJT log that you asked for.
Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 7:50:35 PM, on 01/28/08
Platform: Windows XP SP1 (WinNT 5.01.2600)
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\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\PELMICED.EXE
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I2H1.EXE
C:\PROGRA~1\WINPAT~1\winpatrol.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
E:\PStart.exe
E:\Install Files\HiJackThis_v2.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =
http://us.rd.yahoo.com/customize/yco...search/ie.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page =
http://us.rd.yahoo.com/customize/yco.../www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.yahoo.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = 127.0.0.1
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\\NeroCheck.exe
O4 - HKLM\..\Run: [Mouse Suite 98 Daemon] PELMICED.EXE
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [EPSON Stylus Photo R200 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I2H1.EXE /P30 "EPSON Stylus Photo R200 Series" /O6 "USB002" /M "Stylus Photo R200"
O4 - HKLM\..\Run: [WinPatrol] C:\PROGRA~1\WINPAT~1\winpatrol.exe
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVGFRE~1\avgw.exe /RUNONCE (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVGFRE~1\avgw.exe /RUNONCE (User 'NETWORK SERVICE')
O4 - HKUS\S-1-5-18\..\Run: [ALUAlert] C:\Program Files\Symantec\LiveUpdate\ALUNotify.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [ALUAlert] C:\Program Files\Symantec\LiveUpdate\ALUNotify.exe (User 'Default user')
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MI1933~1\OFFICE11\EXCEL.EXE/3000
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
O16 - DPF: {00130000-B1BA-11CE-ABC6-F5B2E79D9E3F} (LEAD Main Control (13.0)) -
http://www.napaaccount.com/rfmweb/LTOCX13N.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://v5.windowsupdate.microsoft.co...?1107963911031
O16 - DPF: {8C875948-9C60-4381-9248-0DF180542D53} (SbInstObj) -
http://installs.spamblockerutility.c...kerutility.cab
O16 - DPF: {9B03C5F1-F5AB-47EE-937D-A8EDA626F876} (Anonymizer Anti-Spyware Scanner) -
http://download.zonelabs.com/bin/pro...tor/WebAAS.cab
O16 - DPF: {AB86CE53-AC9F-449F-9399-D8ABCA09EC09} (Get_ActiveX Control) -
https://h17000.www1.hp.com/ewfrf-JAV...oadManager.ocx
O16 - DPF: {CA356D79-679B-4B4C-8E49-5AF97014F4C1} -
http://files-pl.starware.com/install...arware_323.cab
O16 - DPF: {EB387D2F-E27B-4D36-979E-847D1036C65D} (QDiagHUpdateObj Class) -
http://h30043.www3.hp.com/aio/en/check/qdiagh.cab?326
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\System32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\System32\browseui.dll
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
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End of file - 5348 bytes