I am posting my HiJackThis log below:
Logfile of HijackThis v1.99.1
Scan saved at 4:23:24 PM, on 5/30/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\PROGRA~1\Nalsoft\AIMLOG~1\nalgr.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\SYSTEM32\qttask.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\WinZip\Wzqkpick.exe
C:\Program Files\Microsoft Office\Office10\OUTLOOK.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\Downloads\hijackthis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://inline.compaq.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\WINDOWS\SYSTEM\blank.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Compaq Computer Corporation
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = proxy.compaq.com:8080
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 6.0\READER\ACTIVEX\ACROIEHELPER.DLL
O2 - BHO: (no name) - {4B646AFB-9341-4330-8FD1-C32485AEE619} - C:\WINDOWS\system32\tmp3.tmp.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {ef5bbd36-b6cf-4980-b5eb-db55c3fe260e} - C:\WINDOWS\system32\shapnap.dll
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [AIM Logger] C:\PROGRA~1\Nalsoft\AIMLOG~1\nalgr.exe /start /minimize
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM32\qttask.exe" -atboottime
O4 - HKLM\..\Run: [setup] rundll32.exe "C:\WINDOWS\yabxxu.dll",realset
O4 - HKCU\..\Run: [AIM Logger] C:\PROGRA~1\Nalsoft\AIMLOG~1\nalgr.exe /start /minimize
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office10\EXCEL.EXE/3000
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\PROGRAM FILES\AIM\aim.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
O15 - Trusted Zone: http://ie.config.asia.compaq.com
O15 - Trusted Zone: http://ie.config.eur.compaq.com
O15 - Trusted Zone: http://ie.config.im.hou.compaq.com
O15 - Trusted Zone: http://ie.config.jp.compaq.com
O15 - Trusted Zone: http://libbyc.wins.compaq.com
O15 - Trusted Zone: http://ie.config.ecom.dec.com
O15 - Trusted Zone: http://ie.config.tandem.com
O15 - Trusted Zone: http://ie.config.asia.compaq.com (HKLM)
O15 - Trusted Zone: http://ie.config.eur.compaq.com (HKLM)
O15 - Trusted Zone: http://ie.config.im.hou.compaq.com (HKLM)
O15 - Trusted Zone: http://ie.config.jp.compaq.com (HKLM)
O15 - Trusted Zone: http://libbyc.wins.compaq.com (HKLM)
O15 - Trusted Zone: http://ie.config.ecom.dec.com (HKLM)
O15 - Trusted Zone: http://ie.config.tandem.com (HKLM)
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoft...free/asinst.cab
O20 - Winlogon Notify: !SASWinLogon - C:\Program Files\SUPERAntiSpyware\SASWINLO.DLL
O20 - Winlogon Notify: shapnap - C:\WINDOWS\SYSTEM32\shapnap.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.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 - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
ps. This pc was once used for work, hence the references to compaq & tandem. I've removed the info from IE (what I know of, anyway) so if there is something else I should do to remove this (presumably benign) info, feel free to post that as well.
Thanks!