A computer virus is:
|“||[a]n unwanted computer program or other set of instructions inserted into a computer’s memory, operating system, or program that is specifically constructed with the ability to replicate itself and to affect the other programs or files in the computer by attaching a copy of the unwanted program or other set of instructions to one or more computer programs or files.||”|
- Tex. Pen. Code § 33.01(9) (1989).