Welcome to the Virus Encyclopedia of Panda Security.
|Effects: ||It spreads rapidly by infecting Excel spreadsheets.|
|Detection updated on:||Nov. 13, 2002|
Extras is a macro virus that reaches a computer in an infected Excel spreadsheet, with an XLS extension. From there it will infect the Excel templates, thereby infecting every Excel file generated with them.
Extras is very difficult to recognize, as it does not display any messages or warnings that indicate that it has infected a computer.