She explained the nature and history of computer viruses. Talked about the particular subclass of viruses that encrypted hard drives and held their contents for ransom. About the difficulties of making money from ransomware. Explained the innovation that the unknown, anonymous creators of the REAMDE virus had apparently come up with. Ivanov had never heard of massively multiplayer online role-playing games, or MMORPGs, so she told him all about their history, their technology, their sociology, their growth as a major sector of the entertainment industry.