strings.c – it performs quick and dirty strings replacement.chkdirs.c – this checks for signs of LKM trojans.chkproc.c – checks for signs of LKM trojans.check_wtmpx.c – checks for wtmpx deletions (Solaris only).chkwtmp.c – this checks for wtmp deletions.chklastlog.c – this checks for lastlog deletions.ifpromisc.c – it checks if an interface is in promiscuous mode.chkrootkit – a shell script that checks system binaries for rootkit modification.It contains various programs/scripts which include: ChkrootKitĬhkrootKit is a free and open source lightweight toolkit to locally check for signs of a rootkit. It’s a reliable graphical anti-virus software which runs smoothly, it’s excellent for getting things done fast. It‘s designed to be an easy-to-use, on-demand anti-virus scanner. It can scan within archives and compressed files (also protects against archive bombs), the built-in support includes Zip, Tar, 7Zip, Rar among others.ĬlamTk 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.Supports on-access scanning (Linux only).Works primarily from the command-line interface.It’s cross platform works on Linux, Windows and Mac OS X.The following are its well-known features: It’s a standard for mail gateway scanning software it supports almost all mail file formats. It’s used for detecting trojans, viruses, malware and other malicious threats. ClamAVĬlamAV is a free and open source, versatile anti-virus toolkit for Linux systems.

In this article, we will talk about 8 best free anti-virus programs for Linux systems. 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. However, the number of critical threats to Linux-based operating systems is still way lower than threats for Windows or OS X. All computer systems can suffer from malware and viruses, including those running Linux-based operating systems. Although Linux operating systems are fairly stable and secure, they may not completely be immune to threats.

Best free malware and virus protection