Threat Encyclopedia

Selected viruses, spyware, and other threats: sorted alphabetically


W97M/Marker.Q is a macro virus operating in the Microsoft Word 97 environment. It uses the "class" method of infection – it attacks the module "ThisDocument" which is present as a standard in each Word document or template. It attacks the global template and Word documents. It is derived from the virus W97M/Marker.A
Unlike the W97M/Marker.A this variant uses for identification of an infected document the constant ID with the value "xyzzy". In a similar way as the virus W97M/Ethan.A does, it changes headline in the document properties to “Ethan Frome“, the document author to “EW/LN/CB“ and key words to “Ethan“. The window with the document properties then looks as follows:

After that the virus attacks the global template and the active document. It attacks documents while closing files.

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