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Model


Aliases:


Model

Malware
Virus
W97M

Summary

W97M/Model is a simple Word 97 macro virus.



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


Variant:Model.A

When an infected document is opened, the virus infects the global template and disables the built-in macro virus protection.

After that all documents opened or created will be infected.


Variant:Model.B

This variant is functionally identical with W97M/Model.A, except the macro virus protection is not disabled.


Variant:Model.E

W97M/Model.E contains a payload that activates when the active document has been edited for four hours. At this time it will minimize and maximize every document window in Word.

This variant also infects random documents from the current directory.





Technical Details: Katrin Tocheva and Sami Rautiainen, F-Secure



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