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Aliases:


Excel8_Extras

Malware
Virus
X97M

Summary

X97M/Extras is a macro virus written in Visual Basic for Applications and is the first polymorphic macro virus to infect XLS files within Microsoft Excel v.8.0.



Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details

Extras changes its appearance so it looks different in every infected file.

The virus also creates an infected Excel spreadsheet within the Excel startup directory.

Extras activates on and after January 1st, 1999. At this time, the virus will try to remove all menus from Excel interface.

X97M/Extras has nothing to do with the WM/Extra Word macro virus.





Technical Details: MHH//DF



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