This category is for viruses that add their code to the end of the file.
“Natas is a polymorphic, stealth, multipartite virus. It was created by Little Loc also known as...Natas
“Cysta also known as Comsysexe is a Polish virus from 1993. When Cysta is executed, it installs...Cysta
“Chill also known as Chill Touch is a DOS virus from 1994. It was found "pre-installed" on a...Chill