You probably do not know what 'rootkit' or 'cracker' is, but there is a simple explanation in both the posts.
A rootkit is a combination of steals and tools used by crackers to hide the method of accessing a particular computer. And that nothing would come out of that kind of good access.
Softs Anti Rootkit is a free tool that will scan your system for the investigation of these threats.
The application allows you to look for rootkits in active processes as well as windows registry and local hard drives.
If someone finds it, it will display threats with other relevant information.
Just select this unwanted application from that list to clear them from your computer. It can not be any easier.