X97M/Button is an Excel 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 workbook is opened, X97M/Button.A infects all worbooks that are currently open in Excel.During the process, it creates a temporary file, "C:\cmdbutton.bas" and adds a button of a smiling face to the menu bar of Excel.