Avast is the one of the most Security Antivirus use in Windows as well as in Linux. This Antivirus program is also the best. This Linux antivirus supports core security, network security and also provide file server security. This software you can download it from here. But this version is trial version but it works way better than other available free versions.These Linux distros work on both 32-bit and 64-bit. Linux offers antivirus, core security, network security and file server security.
1. Real-Time protection and anti-spyware
2. On-demand scanning and planned scanning function
3. Core security, network security
4. Home and industrial security
5. Regular update for assuring new threat