This tool is designed to be a fast way to get a general idea about what started on your computer & enable or disable some of it click here to download hijackthis & save it to your desktop, then run it, do a system scan & save a log file when you see the log file on your screen, exit the log viewer & hijackthis as well you will find this log file on the desktop [ hijackthis.log ] send me this file as an email attachment so i can advise you better or use the automated hijackthis log analizer if you want to DIY.
HijackThis.log line name meanings R0, R1, R2, R3 - Internet Explorer Start/Search pages URLs F0, F1, F2, F3 - Autoloading programs N1, N2, N3, N4 - Netscape/Mozilla Start/Search pages URLs O1 - Hosts file redirection O2 - Browser Helper Objects O3 - Internet Explorer toolbars O4 - Autoloading programs from Registry O5 - IE Options icon not visible in Control Panel O6 - IE Options access restricted by Administrator O7 - Regedit access restricted by Administrator O8 - Extra items in IE right-click menu O9 - Extra buttons on main IE button toolbar, or extra items in IE 'Tools' menu O10 - Winsock hijacker O11 - Extra group in IE 'Advanced Options' window O12 - IE plugins O13 - IE DefaultPrefix hijack O14 - 'Reset Web Settings' hijack O15 - Unwanted site in Trusted Zone O16 - ActiveX Objects (aka Downloaded Program Files) O17 - domain hijackers O18 - Extra protocols and protocol hijackers O19 - User style sheet hijack O20 - AppInit_DLLs Registry value autorun O21 - ShellServiceObjectDelayLoad Registry key autorun O22 - SharedTaskScheduler Registry key autorun O23 - Windows NT Services O24 - Windows Active Desktop Components PS:you might want to view HIDDEN files