When this virus activates it will display the text
in the middle of the screen. Infected programs also contain the text
Made in STL (c) '91
The full effects of the virus have not been determined yet.
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.