Maldet also known as Linux Malware Detect virus scanner for Linux.
cd /usr/local/src/
wget http://www.rfxn.com/downloads/maldetect-current.tar.gz
tar -xzf maldetect-current.tar.gz
cd maldetect-*
sh ./install.sh or sudo sh ./install.sh
maldet –update-ver
maldet –update[/i]