Welcome to the Virus Encyclopedia of Panda Security.
Goner.A is a worm that spreads through different means, by passing itself off as a screensaver:
Goner.A has several effects: it kills processes, deletes files, displays windows on screen and closes the Windows session.
A clear sign that you have received this worm is a file called GONE.SCR sent via e-mail. This file is very easy to identify as it has the following icon:
For more information consult the Means of transmission section.
When the GONE.SCR file is run, Goner.A activates and displays a window on screen:
Then it displays the following error message: