This joke program shows a small window with a picture of woman's breasts and duplicates it when a user tries to close the window. It also tries to evade mouse cursor on attempt to move it close to the client part of the joke's window. The joke's task can be killed from Task Manager. This will stop it duplicating its windows.
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.