Definitions for "virus definition file"
Keywords:  anti, avg, antivirus, trojans, worms
a collection of patterns that anti-virus programs use to recognize viruses
a file (database) that tells an Anti-Virus program (such as AVG) how to deal with newly written viruses, as well as how to protect your files (Emails, Data Files and so on) in general
a list of known viruses that the anti-virus software uses to find and eliminate viruses
Keywords:  collection, known, program
a collection of known viruses that the program