This virus has not been analyzed yet. It infects files when a DIR command is given and contains the (encrypted) text:
AIDS R.2A - Welcome to Frog's Alley !, (c) STPII Laboratory - Jan 1990..
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.