Chapter 15 Security Profiles : AntiVirus : Antivirus concepts : Antivirus techniques : Grayware
  
Grayware
If the file passes the virus scan, it can be checked for grayware.
Grayware scanning is an optional function and must be enabled in the CLI if it is to be scanned for along with other malware. Grayware cannot be scanned for on its own. While done as a separate step, antivirus scanning must be enabled as well.
To enable grayware detection enter the following in the CLI:
config antivirus settings
set grayware enable
end
To disable grayware detection enter the following in the CLI:
config antivirus settings
set grayware disable
end
Grayware signatures are kept up to date in the same manner as the antivirus definitions.