Chill is a memory-resident virus which infects COM files on execution. Virus code is encrypted with a 8-bit variable key. The virus contains texts "[CHiLL TOUCH]" and "You cannot touch these phantoms". The virus also contains an activation routine which formats part of the hard drive.
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.