IntroductionWhen roaming around the techies forums, I often see some people (and many not very experienced) asking for “How do I make an antivirus”, sometimes with not very adapted languages (bat, PHP, …) and having a wrong idea of what an antivirus is, and how it should be built. I’ve also seen many “Antivirus softwares” made by kiddies, with very few still-at-school people and about 4 hours per