Description:
CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows 9x computer virus which first emerged in 1998.
Its payload is highly destructive to vulnerable systems, overwriting critical information on infected system drives, and in some cases destroying the system BIOS.
The virus was created who was a student at Tatung University in Taiwan.
Sixty million computers were believed to be infected by the virus internationally, resulting in an estimated US$1 billion in commercial damages.