The following is a random sample of paragraph text. Goldbug is a complex virus, made in USA. It managed to slip into international circulation in summer 1994. Goldbug was, apparently on purpose, attached to a pirated beta version of the game DOOM II. This archive was circulated in BBSs worldwide. Goldbug infects the main boot records of hard disks and diskette boot sectors. It also spreads by using the companion virus technique and contains retrovirus features. Goldbug uses an astonishing variety of tricks to make detection and surveillance difficult.