Top Linux Antivirus Solutions: Features, Installation, and Choosing the Right One

Linux runs on more than 70% of the world’s web servers. Although its default security settings are strong, malicious scripts can still be executed, so an antivirus can monitor system activity and block threats before they cause damage.

Avast Antivirus for Linux

Avast provides a commercial Linux package aimed at enterprise environments. It includes a large, regularly‑updated virus‑definition database. The package can be downloaded from the official Avast website and installed according to the provided instructions.

Chkrootkit

Chkrootkit, developed by Pangea Informatica, is a lightweight command‑line tool that scans for known rootkits.

sudo apt install chkrootkit

ESET NOD32 Antivirus 4

ESET NOD32 Antivirus 4 is a paid solution that offers deep malware, spyware detection and network‑security features. A time‑limited trial is available for evaluation.

F‑PROT

F‑PROT (FRISK Software International) is a free, portable scanner supporting both 32‑bit and 64‑bit Linux. It can scan files, drivers, trojans, macro viruses and boot‑sector threats.

Panda Cloud Cleaner

Panda Cloud Cleaner is an on‑demand scanner designed to minimise resource usage. After downloading the package, grant execution permission and run the binary:

chmod +x panda-cloud-cleaner
./panda-cloud-cleaner

Rootkit Hunter (rkhunter)

Rootkit Hunter, originally created by Michael Boelen, is a command‑line utility that detects rootkits, backdoors and local vulnerabilities. It verifies files using SHA‑1 hashes and is highly portable.

ClamAV

ClamAV is an open‑source antivirus maintained by Cisco Systems. It is available in the repositories of most Linux distributions. Advanced users can operate it via the command line, while beginners may prefer the ClamTK graphical front‑end.

Key Features of ClamAV

Command‑line scanner capable of detecting worms, viruses and trojans in common file types.

Virus‑definition database updates multiple times per day.

Built‑in support for many archive formats, including zip, OLE2, SIS, dmg, RAR, BinHex, gzip, tar, bzip2, cabinet and CHM.

Firetools

Firetools provides a graphical interface for the Firejail sandbox, allowing users to run scripts and applications in isolated environments. It complements traditional antivirus scanners by containing potentially malicious code.

Comodo Antivirus for Linux

Comodo offers a free Linux antivirus with real‑time protection, on‑demand scanning, anti‑spam, anti‑malware tools and a memory firewall. It supports both 32‑bit and 64‑bit architectures.

Sophos Antivirus for Linux

Sophos is a widely used free Linux antivirus that provides on‑demand and real‑time scanning. It can also detect and remove malware targeting other operating systems, making it a lightweight, cross‑platform solution.