This article applies to all Ubuntu versions
Why do I need anti-virus software?
To scan files locally, over your network, or going outside your network. For example, via email.
Windows viruses may potentially run via Wine.
Discovered GNU/Linux malware are mitigated.
Open Source Antivirus
Free Supported Versions of Proprietary Antivirus
Sophos Antivirus for Linux 16.04 LTS is supported.
Comodo Anti-Virus for Linux. Ubuntu 12.04 32-bit and 64-bit releases are supported.
Other Free Versions of Proprietary Antivirus
This is a vendor category where an expectation is set differently to the above.
Avast Core Security. As per the vendor's website, it works with Ubuntu 12.04 32-bit and 64-bit.
Bitdefender Antivirus Scanner for Unices. As per the vendor, One may request a legacy solution license.
Panda Cloud Cleaner Requires Facebook login.
ESET NOD32 Antivirus 4 for Linux Desktop Free trial for Ubuntu.
Reasons Linux is less prone to malware
- Programs are run as normal user, not root user
- Open source - more eyes on the system source code
- Diverse system configurations
- Less malware actors overall focus on linux. However, proficient malware actors do target linux.
https://help.ubuntu.com/community/Antivirus/Avira - Community page for Avira