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Macro Viruses
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Macro viruses are some of the most prolific threats. By attaching themselves to macros in documents or spreadsheets, these viruses are transmitted over networks and with e-mail attachments by users who might not even be aware that their documents are infected. For up-to-date information on combating macro viruses, your first stop should be Microsoft's site, www.microsoft.com. At the Microsoft site, use the Search button and key phrase "macro virus" to locate the list of articles about macro viruses. At officeupdate.microsoft.com/articles/macroalert.htm, you'll find a good explanation of the Concept virus that infects Word macros. TechWeb at www.techweb.com is another good source of information if you search using the key phrase "macro virus."


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Additional Links

Office 97 Offers a New Environment for Viruses   Sophos is a company that makes anti-virus software for networks. This article from the Sophos archive (www.sophos.com/virusinfo/articles/) describes how Word 6 macro viruses can be (inadvertently) imported into Office 97 and proliferate throughout the Office 97 environment. When the macro viruses are imported into Office 97, the viruses can be translated into the Visual Basic for Applications 5.0 language, which will produce a new variant of the virus. You might want to check out some of the other articles in the Sophos archive.

Computer Incident Advisory Capability: Macro Virus Update   This bulletin from the U.S. Department of Energy outlines why and how macro viruses propagate at such a fast rate and what you can do about it. This document also lists the most prevalent of the more than 1000 macro viruses that currently exist.


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