This time I'm posting on my brother's computer, as he too decided not to run any antivirus programs.
I've fixed the obvious problems I've found, but I want to double-check it.
Logfile of HijackThis v1.99.1
Scan saved at 10:58:28 AM, on 2/21/2006
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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\hkcmd.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\AIM\aim.exe
C:\Program Files\Norton SystemWorks\Norton Utilities\SYSDOC32.EXE
C:\Program Files\Sony Corporation\Picture Package\Picture Package Menu\SonyTray.exe
C:\Program Files\Sony Corporation\Picture Package\Picture Package Applications\Residence.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton SystemWorks\Norton AntiVirus\IWP\NPFMntor.exe
C:\PROGRA~1\NORTON~2\NORTON~1\NPROTECT.EXE
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\PROGRA~1\NORTON~2\NORTON~1\SPEEDD~1\NOPDB.EXE
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\HJT\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dell4me.com/myway
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {0B7CFD10-5930-D230-8AE6-63D005DFAA54} - (no file)
O2 - BHO: (no name) - {372D9AC6-F520-823E-AE5A-B11669AA6B99} - (no file)
O2 - BHO: (no name) - {3C69B1A3-D6E3-9B58-A742-1A46F3BDB7CE} - (no file)
O2 - BHO: (no name) - {4257FD6F-CC6E-C899-A041-064CA1A2E04A} - (no file)
O2 - BHO: (no name) - {4C7D3C5F-2A2C-6D88-350C-CC5AF574F6A5} - (no file)
O2 - BHO: (no name) - {630C6B08-7B91-5062-388B-69A5E8BD566B} - (no file)
O2 - BHO: (no name) - {7363BA68-FA5B-4BC9-8DEF-84263F54F53D} - (no file)
O2 - BHO: (no name) - {78CD0FAF-4845-F029-1D02-4A3989B4B1D5} - (no file)
O2 - BHO: (no name) - {AEA0AA17-241D-D1A4-6B03-544854F6A984} - (no file)
O2 - BHO: (no name) - {B02B1964-11BC-A8DE-0A5A-1B10D5D830D3} - (no file)
O2 - BHO: (no name) - {B618EC5E-B49B-1193-D01F-6EABD79E22CC} - (no file)
O2 - BHO: (no name) - {B761EF1B-A8E6-61C8-4DAC-F05E97FF5FAE} - (no file)
O2 - BHO: (no name) - {BD3E3466-1538-E065-4AB1-0D5369E59114} - (no file)
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {D9124028-B292-02CF-2F76-8A18A0B407DB} - (no file)
O2 - BHO: (no name) - {E29D9E71-15B5-C199-1EAE-A30CC5FD1AFE} - (no file)
O2 - BHO: (no name) - {F508761F-CDCC-6B2B-D294-5F604F6D288F} - (no file)
O2 - BHO: (no name) - {F58F81C3-2AC2-0FE8-BD83-A5E72B3E58A3} - (no file)
O2 - BHO: (no name) - {F8F6029F-1987-78BE-97DB-C8A1430E6A5E} - (no file)
O2 - BHO: (no name) - {FC72CC24-F754-BD19-FD0E-852C1775E57D} - (no file)
O2 - BHO: (no name) - {FFCD035F-429E-054F-1D01-F49E14490C2E} - (no file)
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [StorageGuard] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKCU\..\Run: [AIM] C:\Program Files\AIM\aim.exe -cnetwait.odl
O4 - HKCU\..\Run: [NoAdware3] "C:\Program Files\NoAdware3\NoAdware3.exe" /s
O4 - HKCU\..\Run: [Norton SystemWorks] "C:\Program Files\Norton SystemWorks\cfgwiz.exe" /GUID {05858CFD-5CC4-4ceb-AAAF-CF00BF39736A} /MODE CfgWiz
O4 - Startup: PowerReg Scheduler V3.exe
O4 - Global Startup: Norton System Doctor.lnk = C:\Program Files\Norton SystemWorks\Norton Utilities\SYSDOC32.EXE
O4 - Global Startup: Picture Package Menu.lnk = ?
O4 - Global Startup: Picture Package VCD Maker.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2\bin\npjpi142.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2\bin\npjpi142.dll
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\Program Files\AIM\aim.exe
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
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
O9 - Extra button: Microsoft AntiSpyware helper - {8FC26A1F-24AF-48F8-B23D-F2FF69249310} - (no file) (HKCU)
O9 - Extra 'Tools' menuitem: Microsoft AntiSpyware helper - {8FC26A1F-24AF-48F8-B23D-F2FF69249310} - (no file) (HKCU)
O16 - DPF: {D719897A-B07A-4C0C-AEA9-9B663A28DFCB} (iTunesDetector Class) - http://phobos.apple..../ITDetector.cab
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\PROGRA~1\NORTON~2\NORTON~1\NPROTECT.EXE
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: SmartFinder Uninstall (SmartFinder_Uninstall) - Unknown owner - C:\Documents and Settings\Stephen Burns\Desktop\SFUninstaller.exe" service (file missing)
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~2\NORTON~1\SPEEDD~1\NOPDB.EXE
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
Any advice is greatly appreciated!