As we know that Linux operating systems are fairly stable and secure, but they are also vulnerable to threats. Any systems can be affected by the malware and viruses, including those running Linux-based operating systems. But still the chances of attacks on Linux are lower when we compare with windows.

1. ClamAV

ClamAV is a free and open source anti-virus toolkit for Linux systems. It is good at finding out trojans, viruses, malware and other malicious threats.

  • It’s cross platform; works on Linux, Windows and Mac OS X
  • POSIX compliant, portable
  • Easy to install and use
  • 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.

ChkrootKit

ChkrootKit is lightweight, open source security monitoring and analyzing tool for POSIX complaint systems. It’s available for Linux and FreeBSD.