Nowadays that we are experiencing a phenomenal burst of technological growth, the use of internet via personal computers, smartphones, tablets and any similar devices is at its peak. Most people almost never go offline. In addition to that, multimedia such as movies, music, photos, are being constantly downloaded by users of the internet. Their most often fear is that they will be infected by a virus. This is very reasonable because the easiest way to get infected by a virus is by downloading stuff from the internet. To avoid virus infection, they buy all kinds of expensive antiviruses, which are supposed to protect them from thousands of different types of malware. So you may be asking: Why do people create malware? What do they gain from that?