Antivirus for Windows 7: support continueshttps://www.ghacks.net/2020/01/30/antivirus-for-windows-7-support-continues/Quote
Here is the summary:
Microsoft Security Essentials -- no more program updates, but signature updates continue to be provided.
Sophos -- on premise support until December 2020, cloud-managed support until June 2021.
McAfee -- at least until December 2021.
F-Secure - at least until December 2021.
Avira -- support ends November 2022.
AhnLab, AVG, Avast, Bitdefender, Bullgard, Carbon Black, ESET, FireEye, G Data, Ikarus, Kaspersky, K7 Computing, Microworld, PC Matic, Quickheal, Sqqrite, Symantec/NortonLifeLock, ThreatTrack / Vipre, TotalAV, Trend Micro -- support for at least 2 years.
FYI