Patchfinder is a sophisticated diagnostic utility designed to detected system libraries and kernel compromises. Its primary use is to check if the given machine has been attacked with some modern rootkits. With this tool you should be able to detect even the newest versions of such rootkits like: Hacker Defender, APX, Vaniquish, He4Hook, and many more... New release (2.x) of Patchfinder is the first version which is intended to be not only a proof-of-concept code for developers, but also to be useful tool for administrators. To make a proper use of the PF, every user should read the attached PDF paper. Check out the website for more info: http://rootkit.com. Regards, joanna.