Rootkit is nothing but set of dangerous backdoor programs that are available in the Internet which can put you in trouble by giving unauthorized administrator/root access to the hacker without your knowledge. Read more about Rootkit here at wiki. Rootkits can be technically classified into persistent, kernel mode, memory based and user mode having its own characteristics to function. Often finding rootkits has become a tough job and lot of people even don’t known that their computers are already infected through them. Today I am gonna show you a utility called RootkitRevealer which helps you to find all the different types of available rootkits as mentioned above.

RootkitRevealer is a freeware tool by Microsoft that helps you to detects all the different types of possible rootkits which are invisibly present in the user’s system. This free tool will not help in removing the Rootkits instead it will reveal all the hidden rootkits if you have any and registry discrepancies. All the discrepancies found by the RootkitRevealer may not be rootkits. Please see an excerpt from the tools page,

“You should examine all discrepancies and determine the likelihood that they indicate the presence of a Rootkit. Unfortunately, there is no definitive way to determine, based on the output, if a Rootkit is present, but you should examine all reported discrepancies to ensure that they are explainable. If you determine that you have a Rootkit installed, search the web for removal instructions. If you are unsure as to how to remove a Rootkit you should reformat the system’s hard disk and reinstall Windows”

RootkitRevealer successfully detects all persistent rootkits published at www.rootkit.com, including AFX, Vanquish and HackerDefender. Read more at the Microsoft page.