As viruses are being discovered on an almost daily basis it is well worth installing the latest stable version of ClamAV software. If your system is lucky enough to already have ClamAV installed it is possible that the installation may be based on an out of date installation package. It is highly recommended that you download and install the latest version from the ClamAV web site to ensure the highest level of security against viruses on your systems.
It is necessary to install the GNU MP package to be able to verify digital signatures on the virus updates. This allows
freshclam to verify the digital signatures of the virus databases. If
freshclam was compiled without GMP support, it will display ...