What is the most expensive bug in history?

The most expensive bug in history is the Love Bug virus, which was launched in 2000. This virus caused an estimated $5.5 billion in damage worldwide, making it the most pricey virus ever. The Love Bug infection was a mass-mailing worm that infected over 45 million computers in just a couple of days.  https://creaturesincrisis.org/?p=1236 The infection spread rapidly by emailing itself to everybody in the victim's address book. Once a computer system was contaminated, the infection would erase crucial files and spread itself to other computers. The Love Bug virus was ultimately visited a team of anti-virus researchers who produced a vaccine that could secure computer systems from the infection. https://westpennjournal.com/?p=1153https://geogenes.org/?p=297