X97M/Button is an Excel 97 macro virus.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
More scanning & removal options
More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.
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.
Technical Details:Sami Rautiainen, F-Secure