Related:

• AIDS /aydz/ n. Short for A* Infected Disk Syndrome (`A*' is a glob pattern that matche
  but is not limited to, Apple or Amiga), this condition is quite often the result of practicing unsafe SEX....
• phage: n. A program that modifies other programs or databases in unauthorized way
  esp. one that propagates a {virus} or {Trojan horse}....
• worm: [from `tapeworm' in John Brunner's novel "The Shockwave Rider", via XEROX PARC] n.
  A program that propagates itself over a network, reproducing itself as it goes....
• Trojan horse: [coined by MIT-hacker-turned-NSA-spook Dan Edwards] n.
  A malicious, security-breaking program that is disguised as something benign, such as a directory lister, archiver, game, or (in one notorious 1990 case on the Mac) a program to find and destroy viruses!...
• phage n. A program that modifies other programs or databases in unauthorized way
  esp. one that propagates a virus or Trojan horse....
• eplicator: n. Any construct that acts to produce copies of itself
  his could be a living organism, an idea (see {meme}), a program (see {quine}, {worm}, {wabbit}, {fork bomb}, and {virus}), a pattern in a cellular automaton (see {life}, sense 1), or (speculatively) a robot or {nanobot}....
• virgin: adj. Unused; pristine; in a known initial state.
  Let's bring up a virgin system and see if it crashes again....
• Trojan horse n. [coined by MIT-hacker-turned-NSA-spook Dan Edwards] A maliciou
  ecurity-breaking program that is disguised as something benign, such as a directory lister, archiver, game, or (in one notorious 1990 case on the Mac) a program to find and destroy viruses!...
• virus n. [from the obvious analogy with biological viruse
  via SF] A cracker program that searches out other programs and `infects' them by embedding a copy of itself in them, so that they become Trojan horses....