Xoftspy should be able to remove it.
more info on it:
Alias: popcorn.net, trojan.popcorn, spyware.popcorn.net, MoviePass.tv. MoviePass, MovieLand, MediaPipe
Popcorn or PopCorn.net is hacker tool. A Hacker Tool is any software application that performs a wide range of hacking related tasks without user's permission. Activities include: disabling a user's anti-virus software or personal firewalls, gaining access to sensitive data, removing copy protection and modifying system settings
This program is Adware and also hijacks Internet Explorer. Popcorn.net is very difficult to get rid of and the company behind it tries to sign up users to long term contracts.
Popcorn.net is a highly dangerous spyware. Usually Popcorn.net may log keyboard activity of the user and take snapshots of the system. Popcorn.net uses stealth installation and Popcorn.net removal is very difficult.
more info here:
http://www.nosnoopware.com/removals/popcorn.htm including how to manually remove it.