I've run Ad-Aware SE Pro, which has found only tracking cookies. Have tried to run Spybot S&D and a2free, but before they can finish scanning, the system becomes unstable and locks up. I'm getting lots of IE popups, even when using Firefox and also with no browser open at all.
Here's my HJT log:
Logfile of HijackThis v1.99.1
Scan saved at 3:35:20 AM, on 8/26/06
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\KB918547\KB918547.EXE
c:\windows\SYSTEM\KB891711\KB891711.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\MOUSE\SYSTEM\EM_EXEC.EXE
C:\COMPAQ\CPQINET\CPQINET.EXE
C:\PROGRAM FILES\MOTIVE\MOTIVEASSISTANT\MOTMON.EXE
C:\PROGRAM FILES\FOLDER SHIELD\FSP.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAM FILES\ATOMIC CLOCK SYNC\ATOMIC.EXE
C:\PROGRAM FILES\FREERAM\FREERAM.EXE
C:\WINDOWS\UTAT\NTVDM.EXE
C:\PROGRAM FILES\COMPAQ\EASY ACCESS BUTTON SUPPORT\BTTNSERV.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\PROGRAM FILES\COMPAQ\EASY ACCESS BUTTON SUPPORT\EAUSBKBD.EXE
C:\HJT\HIJACKTHIS.EXE
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://desktop.presario.net/scripts/red ... 409&c=1c00
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://login.live.com/login.srf?id=2&sv ... 3&_lang=EN
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.presario.net/scripts/redi ... ar&LC=0409
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R3 - URLSearchHook: (no name) - _{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRAM FILES\YAHOO!\COMPANION\INSTALLS\CPN\YCOMP5_6_0_0.DLL
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 6.0\READER\ACTIVEX\ACROIEHELPER.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.DLL
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRAM FILES\YAHOO!\COMPANION\INSTALLS\CPN\YCOMP5_6_0_0.DLL
O4 - HKLM\..\Run: [ScanRegistry] c:\windows\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] c:\windows\taskmon.exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [EM_EXEC] c:\mouse\system\em_exec.exe
O4 - HKLM\..\Run: [CPQInet] c:\compaq\CPQInet\CpqInet.exe
O4 - HKLM\..\Run: [MotiveMonitor] C:\Program Files\Motive\MotiveAssistant\motmon.exe
O4 - HKLM\..\Run: [fsp] C:\PROGRAM FILES\FOLDER SHIELD\fsp.exe
O4 - HKLM\..\Run: [ryb81646] RUNDLL32.EXE w0cbfd18.dll,n 00381643000000020cbfd18
O4 - HKLM\..\Run: [ms03536007941] C:\WINDOWS\ms03536007941.exe
O4 - HKLM\..\Run: [TheMonitor] C:\WINDOWS\DUCE6.exe
O4 - HKLM\..\Run: [ATOMIC.EXE] C:\PROGRAM FILES\ATOMIC CLOCK SYNC\ATOMIC.EXE
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [KB918547] C:\WINDOWS\SYSTEM\KB918547\KB918547.EXE
O4 - HKLM\..\RunServices: [KB891711] c:\windows\SYSTEM\KB891711\KB891711.EXE
O4 - HKCU\..\Run: [BySoft FreeRAM] C:\PROGRAM FILES\FREERAM\FREERAM.EXE
O4 - HKCU\..\Run: [Ciat] "C:\WINDOWS\utat\ntvdm.exe" -vt yazr
O4 - HKCU\..\Run: [Lbjctxur] C:\WINDOWS\Application Data\Cdsi\gtf.exe
O4 - Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item: &Google Search - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmwordtrans.html
O8 - Extra context menu item: Cached Snapshot of Page - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmcache.html
O8 - Extra context menu item: Similar Pages - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmsimilar.html
O8 - Extra context menu item: Backward Links - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmbacklinks.html
O8 - Extra context menu item: Translate Page into English - res://C:\PROGRAM FILES\GOOGLE\GOOGLETOOLBAR2.DLL/cmtrans.html
O9 - Extra button: Translate - {06FE5D05-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra 'Tools' menuitem: AV &Translate - {06FE5D05-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra button: (no name) - {06FE5D02-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra 'Tools' menuitem: &Find Pages Linking to this URL - {06FE5D02-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra button: (no name) - {06FE5D03-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra 'Tools' menuitem: Find Other Pages on this &Host - {06FE5D03-8F11-11d2-804F-00105A133818} - http://search.presario.net/scripts/redi ... 00&lc=0409 (file missing)
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRAM FILES\JAVA\JRE1.5.0_06\BIN\SSV.DLL
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRAM FILES\JAVA\JRE1.5.0_06\BIN\SSV.DLL
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YAHOOMESSENGER.EXE
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YAHOOMESSENGER.EXE
O15 - Trusted Zone: http://www.hotmail.com
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by110fd.bay110.hotmail.msn.com/r ... nPUpld.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://us.dl1.yimg.com/download.yahoo.c ... 040510.cab