Fedora 40: Install Clam AntiVirus

Introduction

In this guide, we will cover the installation of Clam AntiVirus on Fedora 40, utilizing the 5W1H method to provide a thorough understanding of the process and its implications.

Overview

What

Clam AntiVirus (ClamAV) is an open-source antivirus software designed to detect trojans, viruses, malware, and other malicious threats on your system.

Who

This guide is intended for Fedora 40 users who want to enhance their system security by installing and using ClamAV.

Where

You can install ClamAV on your Fedora 40 system, whether it's a personal computer, server, or any environment where Fedora 40 is used.

When

It's advisable to install ClamAV as soon as you set up your Fedora 40 system to ensure early protection against potential threats.

Why

Installing ClamAV provides several benefits and some drawbacks, as shown in the table below:

Pros	Cons
Open-source and free to use	May require manual updates
Supports multiple file formats	High memory usage during scans
Regularly updated virus database	Command-line interface may be challenging for some users

How

Follow these steps to install ClamAV on Fedora 40:

Step 1	Open the terminal and update your system: `sudo dnf update`
Step 2	Install ClamAV and ClamAV daemon: `sudo dnf install clamav clamav-daemon`
Step 3	Start and enable the ClamAV daemon: `sudo systemctl start clamd@scan` and `sudo systemctl enable clamd@scan`

Consequences

Installing ClamAV has both positive and negative consequences:

Positive	Enhanced system security Protection against malware and viruses Peace of mind knowing your system is protected
Negative	Potential performance impact during scans Requires regular updates and maintenance May produce false positives

Conclusion

Installing ClamAV on Fedora 40 is a valuable step towards enhancing your system's security. While there are some drawbacks, the benefits of protecting your system from potential threats outweigh the negatives. By following the steps outlined in this guide, you can ensure your Fedora 40 system is safeguarded against malware and viruses.

Install Clam AntiVirus

Install Clam AntiVirus to protect your System from Computer Virus.

Step [1]Install Clamav.

                     
[root@dlp ~]# dnf -y install clamav clamav-freshclam
[root@dlp ~]# vi /etc/freshclam.conf
# line 8 : comment out if it is enabled
#Example
# update pattern files manually
[root@dlp ~]# freshclam
ClamAV update process started at Tue May  7 11:31:54 2024
daily.cvd database is up-to-date (version: 27267, sigs: 2060708, f-level: 90, builder: raynman)
main.cvd database is up-to-date (version: 62, sigs: 6647427, f-level: 90, builder: sigmgr)
bytecode.cvd database is up-to-date (version: 335, sigs: 86, f-level: 90, builder: raynman)

Step [2]Try to scan the Fedora Server.

                     
# scan [/home]
[root@dlp ~]# clamscan --infected --remove --recursive /home
----------- SCAN SUMMARY -----------
Known viruses: 8692538
Engine version: 1.0.6
Scanned directories: 534
Scanned files: 588
Infected files: 0
Data scanned: 67.50 MB
Data read: 69.98 MB (ratio 0.96:1)
Time: 17.446 sec (0 m 17 s)
Start Date: 2024:05:07 11:32:53
End Date:   2024:05:07 11:33:10

# download trial virus
[root@dlp ~]# wget https://files.trendmicro.com/products/eicar-file/eicar.com
[root@dlp ~]# clamscan --infected --remove --recursive .
# just detected and removed
/root/eicar.com: Win.Test.EICAR_HDB-1 FOUND
/root/eicar.com: Removed.

----------- SCAN SUMMARY -----------
Known viruses: 8692538
Engine version: 1.0.6
Scanned directories: 7
Scanned files: 13
Infected files: 1
Data scanned: 2.65 MB
Data read: 1.25 MB (ratio 2.12:1)
Time: 12.811 sec (0 m 12 s)
Start Date: 2024:05:07 11:35:32
End Date:   2024:05:07 11:35:45

Fedora 40: Install Clam AntiVirus

Introduction

Overview

What