W32.HLLW.Caspid

W32.HLLW.Caspid is a worm that spreads through file-sharing networks, such as Morpheus and KaZaA. It is a virus that infects HTML files. This worm may also spread through email by setting itself as the default stationery used in email messages.
The indication of infection is the existence of Capside.exe or Capside.htm files.