HijackThis 2.0.2Trend Micro Inc - 793KB (Freeware)
HijackThis inspects your computers browser and operating system settings to generate a log file of the current state of your computer. Using HijackThis you can selectively remove unwanted settings and files from your computer. Because the settings identified in a HijackThis log file can belong to both legitimate software and unwanted malware, it is important to use extreme caution when choosing to removing anything using HijackThis.
HijackThis also comes with a process manager, HOSTS file editor, and alternate data stream scanner.