HijackThis is one of the most useful troubleshooting sw around ... I would thank batty for informing me about it a long ago ...
Anyway ... I cant see much info about mssoi32 except an entry in the registry to run at startup
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\mmtask.tsk
C:\PROGRAM FILES\GRISOFT\AVG6\AVGSERV9.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\MSSOI32.EXE
C:\PROGRAM FILES\LOGITECH\MOUSEWARE\SYSTEM\EM_EXEC.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAM FILES\GRISOFT\AVG6\AVGCC32.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\PROGRAM FILES\OUTLOOK EXPRESS\MSIMN.EXE
C:\PROGRAM FILES\FLASHGET\FLASHGET.EXE
C:\PROGRAM FILES\ADOBE\ACROBAT 6.0\READER\ACRORD32.EXE
C:\PROGRAM FILES\MIRC\MIRC.EXE
D:\TMP\HIJACKTHIS\HIJACKTHIS.EXE
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = *202.144.58.38:81/login.php
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = *www.sify.com
O2 - BHO: (no name) - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRAM FILES\FLASHGET\JCCATCH.DLL
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 6.0\READER\ACTIVEX\ACROIEHELPER.DLL
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRAM FILES\FLASHGET\FGIEBAR.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [Logitech Utility] LOGI_MWX.EXE
O4 - HKLM\..\Run: [Tweak UI] RUNDLL32.EXE TWEAKUI.CPL,TweakMeUp
O4 - HKLM\..\Run: [WINDOWSMSSOI32] C:\WINDOWS\MSSOI32.EXE
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\GRISOFT\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [TVWatch] C:\WINDOWS\SYSTEM\TVWatch.exe
O4 - HKLM\..\RunServices: [Avgserv9.exe] C:\PROGRA~1\GRISOFT\AVG6\Avgserv9.exe
O4 - Startup: Rain.lnk = C:\Rain\Rain.exe
O8 - Extra context menu item: Download using FlashGet - C:\PROGRAM FILES\FLASHGET\jc_link.htm
O8 - Extra context menu item: Download All by FlashGet - C:\PROGRAM FILES\FLASHGET\jc_all.htm
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: FlashGet (HKLM)
O9 - Extra 'Tools' menuitem: &FlashGet (HKLM)
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - *v4.windowsupdate.microsoft.com/CAB/x86/ansi/iuctl.CAB?38240.8867476852
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - *download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: Domain = 5/8
O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 202.144.155.4,202.144.66.6