W97M/Steak is a Word 97 macro virus.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.
You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.
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.
Technical Details:Sami Rautiainen, F-Secure