Clam Scan / Virus Scan

yum install clamav
freshclam
clamscan -l logfile.txt -r -i /home

Multiple Directories

# /home/nav/ClamScanTheseFolders.txt would be a line delimited list of directories
clamscan -l logfile.txt -r -i --file-list=/home/nav/ClamScanTheseFolders.txt