W97M/Steak is a Word 97 macro virus.
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.
When an infected document is closed, W97M/Steak.A infects the global template. While infecting, it creates two temporary files to the root of the "C:" drive.First file, "A1.sys", is used to infect the active document while the another, "A1.inf", is used to infect the global template.After the global template has been infected, the virus infects all opened documents.