when was the name of the first malicious software detected on a pc
Antivirus software Although the roots of the computer virus date back as early as 1949, when the Hungarian scientist John von Neumann published the "Theory of self-reproducing automata",[3] the first known computer virus appeared in 1971 and was dubbed the "Creeper virus".[4] This computer virus infected Digital Equipment Corporation's (DEC) PDP-10 mainframe computers running the TENEX operating system.[5][6]