Who's That Email Worm? It's Pikachu! SOURCES

https://web.archive.org/web/20001018013522/http://www.pikachu.com/

https://threats.kaspersky.com/en/threat/Virus.BAT.Pikachu/

https://www.sophos.com/en-us/threat-center/threat-analyses/viruses-and-spyware/W32~Pikachu-A/detailed-analysis

https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Virus%3aBAT%2fPikachu

https://web.archive.org/web/20030413080542/http://news.bbc.co.uk/2/hi/science/nature/895598.stm

https://web.archive.org/web/20150526011342/http://www.accountingweb.com:80/topic/technology/pikachu-virus-begins-grow

https://web.archive.org/web/20180925095928/https://www.iol.co.za/business-report/technology/pokemon-turns-nasty-in-new-computer-virus-48069