Over the years I have seen many people offer opinions on why virus writers do what they do. While I accept that many of these people have indeed spoken to a small number of malware authors, it has become all too apparent that much of their text has been based on opinion and not fact. In this article, I will draw upon my own experiences as a virus writer and as a member of the virus (and anti-virus) community to explore some of the reasons that people would devote their time to developing viruses. Full Story