These are usually anti-spyware or security software applications that use various forms of deception and/or unethical means or show a history of negligent false positives to goad the end user to make a purchase.
In some cases these applications maybe downloaded with some form of unwanted software at which point the rogue application is offered to the customer as a way to remove the unwanted software.
Comment:
This is a rogue anti-spyware. They are listed on the rogue anti-spyware list provided by spyware warriors.
http://spywarewarrior.com/rogue_anti-spyware.htm
Uses false positives to scare users into purchasing.