Install procedure for ClamAV¶

Requirements¶

To install ClamAV you will need the following:

• a installed and supported operating system (e.g. CentOS 9.x)
• root-access
• a fast internet connection
• epel

Preliminary Note¶

This procedure is based on a documentation supplied by https://www.hostinger.com/tutorials/how-to-install-clamav-centos7

Install¶

yum install clamav clamav-update clamd

SELinux config¶

setsebool -P antivirus_can_scan_system 1
setsebool -P clamd_use_jit 1

verify changes

getsebool -a | grep antivirus

antivirus_can_scan_system --> on
antivirus_use_jit --> on

ClamAV config¶

open config file and uncomment following line

vim /etc/clamd.d/scan.conf

#LocalSocket /var/run/clamd.scan/clamd.sock

update virus-DB¶

freshclam

should result in following output

ClamAV update process started at Tue Dec  19 09:30:20 2016
main.cvd is up to date (version: 57, sigs: 4218790, f-level: 60, builder: amishhammer)
Trying host database.clamav.net (69.163.100.14)...
Downloading daily.cvd [100%]
daily.cvd updated (version: 22739, sigs: 1100989, f-level: 63, builder: neo)
Downloading bytecode-279.cdiff [100%]
Downloading bytecode-280.cdiff [100%]
Downloading bytecode-281.cdiff [100%]
Downloading bytecode-282.cdiff [100%]
Downloading bytecode-283.cdiff [100%]
bytecode.cld updated (version: 285, sigs: 57, f-level: 63, builder: bbaker)
Database updated (5319836 signatures) from database.clamav.net (IP: 168.143.19.95)

Service¶

systemctl start clamd@scan
systemctl enable clamd@scan
systemctl start clamav-freshclam
systemctl enable clamav-freshclam

cron scan¶

0 1 * * * /usr/bin/clamscan -r --bell -i / > /var/log/clamav/scan.log