What is the most pricey trojan horse in history?

The most pricey computer system infection in history is the Love Bug infection, which was launched in 2000. Once a computer system was infected, the infection would delete crucial files and spread itself to other computer systems.  https://zerogov.net/?p=1679 The Love Bug infection was eventually stopped by a team of anti-virus scientists who produced a vaccine that might secure computers from the virus. https://tourismcrisis.org/?p=1108https://geogenes.org/?p=1073