What is the most costly computer system infection in history?

The most costly computer infection in history is the Love Bug virus, which was launched in 2000. When a computer system was contaminated, the infection would delete essential files and spread itself to other computer systems.  https://guayhk.com/?p=794 The Love Bug infection was eventually stopped by a team of anti-virus scientists who developed a vaccine that could safeguard computer systems from the virus. https://publicpush.de/?p=1161advice