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8 Best Free Anti-Virus Programs for Linux

           Linux is considered to be more secure than other operating systems. However, it’s increasingly a target of attackers, as Linux systems and servers are used for critical roles like developer workstations, web servers and internal file servers for organizations. In addition to being vulnerable to Linux-based and cross-platform exploits, unprotected Linux machines can also become distribution points for Windows, Mac, and Android malware. Therefore, we need to protect our Linux systems from the various forms of threats such as viruses that can be transmitted in many ways including malicious code, email attachments, malicious URLs, rootkits to mention but a few.

In this article, we will talk about 8 best free anti-virus programs for Linux systems.

1. Sophos For Linux

Sophos anti-virus for Linux is a stable and reliable anti-virus software for a wide range of Linux distributions.
It detects and eradicates viruses (including worms and Trojans) on your Linux computer. It can as well find and block all non-Linux viruses that might be stored on your Linux computer and transferred to non-Linux computers.
You can run all commands (except savscan, which is used to run on-demand scans) as root from the from the command-line interface.
Below are the notable features of Sophos For Linux:
· Easy to install and runs quietly.
· It’s effective and secure.
· It can detect and block malware with on-access, on-demand, or scheduled scanning.
· Offers excellent performance, with low impact on the system.
· Offers extensive platform coverage.
2. BitDefender For Unices

BitDefender For Unices is a powerful and versatile anti-virus software suite for Linux and FreeBSD. It offers protection and on-demand scanning on both Unix-based and Windows-based disk partitions by scanning for viruses and malware.
The following are a few of its remarkable features:
· Enables scanning of archives.
· Supports desktop integration.
· It has an intuitive GUI and powerful command line interface that supports OS scripting tools.
· It can quarantine infected files into a protected directory.


3. ClamAV

ClamAV is a free and open source, versatile anti-virus toolkit for Linux systems. It’s used for detecting trojans, viruses, malware and other malicious threats. It’s a standard for mail gateway scanning software; it supports almost all mail file formats.

Features of ClamAV antivirus for linux:
· Easy to install and use
· Cross platform; works on Linux, Windows and Mac OS X
· POSIX compliant, portable
· Works primarily from the command-line interface
· Supports on-access scanning (Linux only)
· Provides a virus database update
· It can scan within archives and compressed files (also protects against archive bombs), the built-in support includes Zip, Tar, 7Zip, Rar among others.
4. ClamTk

ClamTk is a lightweight graphical front-end for the popular command-line based ClamAV (Clam Antivirus), written using Perl and Gtk libraries for Unix-like systems such as Linux and FreeBSD.
It‘s designed to be an easy-to-use, on-demand anti-virus scanner. It’s a reliable graphical anti-virus software which runs smoothly, it’s excellent for getting things done fast.

Features of ClamAV antivirus for linux:
· Graphical interface
· Easy to install and use
· Cross platform; works on Linux, Windows and Mac OS X
· POSIX compliant, portable
· Works primarily from the command-line interface
· Supports on-access scanning (Linux only)
· Provides a virus database update
· It can scan within archives and compressed files (also protects against archive bombs), the built-in support includes Zip, Tar, 7Zip, Rar among others.

5. ChkrootKit

ChkrootKit is a free and open source lightweight toolkit to locally check for signs of a rootkit.
It contains various programs/scripts which include:
· chkrootkit – a shell script that checks system binaries for rootkit modification.
· ifpromisc.c – it checks if an interface is in promiscuous mode.
· chklastlog.c – this checks for lastlog deletions.
· chkwtmp.c – this checks for wtmp deletions.
· check_wtmpx.c – checks for wtmpx deletions (Solaris only).
· chkproc.c – checks for signs of LKM trojans.
· chkdirs.c – this checks for signs of LKM trojans.
· strings.c – it performs quick and dirty strings replacement.
· chkutmp.c – this checks for utmp deletions.
6. RookKit Hunter
Rootkit Hunter is remarkable lightweight, open source security monitoring and analyzing tool for POSIX compliant systems. It’s available for Linux and FreeBSD.
It’s a scanner for every kind of threats to a Linux system from backdoors, rootkits to various local exploits.
It’s other important features include:
· It’s command-line based
· It’s simple to use and offers thorough inspection capabilities.
· It uses SHA-1 hash comparison to detect malicious entries.
· It’s portable and compatible with most UNIX-based systems.
7. Comodo Anti-virus For Linux (CAVL)

Comodo is a powerful cross-platform anti-virus and email filtering software. Comodo Anti-virus For Linux offers great virus protection with the additional features for fully configurable anti-spam system.
Comodo anti-virus for Linux features include:
· Simply install and forget, no annoying false alarms, just solid virus protection.
· Provides proactive anti-virus protection intercepts all known threats.
· Optional automatic updates for the most up-to-date virus protection.
· Comes with a scan scheduler, detailed event viewer, and custom scan profiles.
· Offers a mail filter which is compatible with Postfix, Qmail, Sendmail and Exim MTA’s.
8. F-PROT For Linux

F-PROT anti-virus for Linux workstations is a free powerful scanning engine for use on home/personal workstations. Developed to effectively get rid of viruses threatening workstations running Linux, it offers full protection against macro viruses and other forms of malicious software including Trojans.
Below are some of its exceptional features:
· It supports both 32bit and 64bit versions of Linux x86.
· It scans for over 2119958 known viruses and their variants.
· It’s able to perform scheduled scans using cron.
· It scans hard drives, CD-ROMS, diskettes, network drives, directories and specific files.
· It can also scan for images of boot sector viruses, macro viruses, and Trojan Horses.
Don’t believe that Linux-based operating systems are completely secure, get one of these free anti-viruses we have talked about to secure your workstation or server.

Do you have any questions or comments? If yes, then please feel free to use the comments box below.



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