One of in the lead positions in the list of nocuous programs of all colors on a regular basis deleted by free-of-charge anti-virus utility Windows worm zapping, borrows rootkit FU. It is found out in various versions of program Rbot - systems of detour of protection IRC used for illegal infection of systems with Windows by espionage programs.

Besides FU, in the five of "best" monthly a virus-leaf there are others rootkits families WinNT/Ispro. They too often go " in the complete set " with an espionage software that the removed malefactor had an opportunity to change the certain files both to register keys and to not be found out. Besides in systems often there is another rootkit - Hacker Defender which freely is on sale on the Internet.

According to the representative of division Jason a plenty rootkits deleted from systems, speaks that virus writers use the advanced technologies to warn detection of nocuous programs

Useful tools: Reveal rootkit