Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
Farsighter is a commercial malware product that allows to view everything that happens on the remote PC screen. The application is based on the server and client technology. The server works on a compromised computer and streams video in real time to a remote PC running the client part. Farsighter must be manually installed. It loads on every Windows startup.
Technical details (How to remove Farsighter(pop up))