Malware Detect is very easy to install on CentOS, regardless of the control panel you utilize (cPanel/WHM, Directadmin, etc). Maldet also known as Linux Malware Detect virus scanner for Linux.
There is nothing complicated in installation process, but root access to your server is required.
Installation via SSH
tar -xzf maldetect-current.tar.gz
sh ./install.sh or sudo sh ./install.sh
To scan a folder, for example /home you should type maldet -a /home.