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.
This is a ROGUE AntiSpyware. We are seeing logs where users are hijacked to www.antispywarebox.com.
Uses False Postives to goad purchase. Please see the Rogue antispyware list created by Eric Howes here. http://spywarewarrior.com/rogue_anti-spyware.htm