When the virus activates on a computer with an EGA or VGA display adapter, it will "flip" the screen horizontally and switch to a special character set, which reverses each character. This effect only happens on the second day of each month, between 16:00 and 16:59. The Tequila virus is clearly derived from Flip, and is probably from the same author.
Flip contains this encrypted text: "OMICRON by PsychoBlast".
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.