Definitions for "Joke Program"
A program with annoying or funny functionality, that change or interrupt the normal behavior of your computer, creating a general distraction or nuisance. Harmless programs that cause various benign activities to display on your computer (for example, an unexpected screen saver). Joke programs are not destructive (not viruses), but may contain a virus if infected or otherwise altered.
Practical joke programs. These are not viruses, but sometimes a virus is contained in a joke program. The Toolkit detects joke programs.
a program that will typically fake the actions of a virus but will cause no harm at all to a user's computer