This virus is able to spread because the user sending the attachment across the network doesn't know that it is infected. The result is the recipients become infected just by opening the attachment or file on their PC when using MS Word. As of the end 1997 the virus is sharp decline and no longer represent a significant threat. It is important that you know more about macro viruses in general and the MS Word Concept Virus specifically so that you can successfully detect and prevent them on your PC . Although the next section will mostly concentrate on the Concept virus, much of the information can also be applied to other macro viruses.
All macro viruses use a macro language to distribute themselves.
Macro viruses are not limited to just MS Word. Concept virus is costly to remove but has no destructive payload. In late 1995 and early 1996 Concept has become the most common of all virus occurrences. The costs associated with Concept's detection and removal have been quite high because infected attachments are being sent to multiple designations. The Concept virus will infect MS Word documents by adding a set of macros to them.