[computer virus] CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows 9x computer virus which first emerged in 1998. It is one of the most damaging viruses, overwriting critical information on infected system drives, and more importantly, in most cases overwriting the system BIOS. The virus was created by Chen Ing-hau (陳盈... Found on http://en.wikipedia.org/wiki/CIH_(computer_virus)