some of best anti viruses - 2021

The Ultimate Comparison of antivirus software

This a non-exhaustive list of notable antivirus and Internet Security software, in the form of comparison tables, according to their platform (e.g. desktop, mobile, server, etc.) and their operating systems (e.g. Windows, macOS, Linux, Solaris, Android, iOS, Ubuntu Touch, Windows Phone, etc.).

The term "on-demand scan" refers to the possibility of performing a manual scan (by the user) on the entire computer/device, while "on-access scan" refers to the ability of a product to automatically scan every file at its creation or subsequent modification.

The term "CloudAV" refers to the ability of a product to automatically perform scans on the cloud.

The term "Email Security" refers to the protection of emails from viruses and malware, while "AntiSpam" refers to the protection from spam, scam and phishing attacks.

The term "Web protection" usually includes protection from: infected and malicious URLs, phishing websites, online identity (privacy) protection and online banking protection. Many antivirus products use "third-party antivirus engine".

This means that the antivirus engine is made by another producer; however, the malware signature and/or other parts of the product may (or may not) be done from the owner of the product itself.

For Windows

Company Software On-demand On-access Boot-time Heuristics CloudAV Firewall IDS IPS Sandbox Email Security AntiSpam Web protection Macro protection Live Support Settings Import/ installer/ updater MIMA safe License Price First release Country of origin Original author/s Notes
scan scan scans Update Export
Avast Avast Free Antivirus Yes Yes Yes Yes Yes No Yes No No Yes No Yes Yes Yes Yes No ? Proprietary Free 1988 Czech Republic Pavel Baudiš and Eduard Kučera
Avast Avast Premium Security Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes No ? Proprietary Trialware 1997 Czech Republic Pavel Baudiš and Eduard Kučera
AVG Technologies (avast) AVG Antivirus FREE Yes Yes Yes Yes No No No No ? No No Yes Yes Yes Yes No ? Proprietary Free 1992 Czech Republic Jan Gritzbach and Tomáš Hofer
AVG Technologies (avast) AVG Antivirus Yes Yes Yes Yes Yes No No No ? Yes No Yes Yes Yes Yes No ? Proprietary Non-free 2006 Czech Republic Jan Gritzbach and Tomáš Hofer
AVG Technologies (avast) AVG Internet Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes No ? Proprietary Non-free 2008 Czech Republic Jan Gritzbach and Tomáš Hofer
Avira Avira Antivirus FREE Yes Yes Yes Yes Yes No No No ? No Yes No Yes Yes Yes ? ? Proprietary Free 1988 Germany Tjark Auerbach
Avira Avira Internet Security Yes Yes Yes Yes Yes No No No ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2002 Germany Tjark Auerbach
Bitdefender Bitdefender Antivirus Free Yes Yes Yes Yes Yes No No No No No No Yes No Yes Yes ? ? Proprietary Free 2013 Romania
Bitdefender Bitdefender Antivirus Plus Yes Yes Yes Yes Yes Yes

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Yes No Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 1996 Romania
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Bitdefender Bitdefender Internet Security Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes ? No[1] Proprietary Non-free 2008 Romania
Check Point ZoneAlarm PRO Antivirus + Firewall Yes Yes No Yes No Yes No No ? No No No Yes Yes Yes Yes ? Proprietary Non-free 2002 Israel Third-party antivirus engine (Kaspersky) [2]
Check Point ZoneAlarm Extreme Security Yes Yes No Yes Yes Yes No No ? Yes Yes Yes Yes Yes Yes Yes ? Proprietary Non-free 2002 United States
Cisco (originally Immunet) Immunet Yes Yes No No Yes No No No ? Yes No No No Yes Yes ? ? Proprietary Free 2010 United States Third-party antivirus engine (ClamAV)
ClamWin ClamWin Free Antivirus Yes Yes (with Winpooch or Clam Sentinel) Yes (with Clam Sentinel) Yes No No No No ? Yes No No No Yes No ? ? GPL-2.0-or-later Free 2002 Australia Third-party antivirus engine (ClamAV)
Comodo Group Comodo Antivirus Yes Yes Yes Yes Yes No Yes Yes Yes Yes* Yes Yes Yes* Yes Yes Yes ? Proprietary Free 2008 United States *Protection via containment of untrusted executable code.
Comodo Group Comodo Internet Security Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes* Yes Yes Yes* Yes Yes Yes ? Proprietary Free 2010 United States *Protection via containment of untrusted executable code.
Dr.Web Dr.Web Anti-virus Yes Yes Yes Yes Yes Yes Yes Yes No No No Yes* Yes Yes Yes Yes Yes Proprietary Trialware 1992 Russia Igor Danilov *macOS/Linux feature only
Dr.Web Dr.Web Security Space Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Proprietary Trialware 2006 Russia Igor Danilov
ESET ESET NOD32 Antivirus Yes Yes Yes Yes Yes No No No ? Yes No Yes[3][4] Yes Yes Yes Yes ? Proprietary Trialware[5] 1987 Slovakia Peter Paško and Miroslav Trnka
ESET ESET Smart Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes[3][4] Yes Yes Yes Yes No[1] Proprietary Trialware[5] 2007 Slovakia Peter Paško and Miroslav Trnka
F-Secure F-Secure Antivirus Yes Yes Yes Yes No No No No ? Yes No No Yes Yes Yes ? ? Proprietary Non-free 1991 Finland Petri Allas and Risto Siilasmaa Third-party antivirus engine (Bitdefender)
F-Secure F-Secure SAFE Yes Yes Yes Yes Yes No Yes Yes ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2004 Finland Petri Allas and Risto Siilasmaa Third-party antivirus engine (Bitdefender)
FRISK Software F-PROT Antivirus Yes Yes Yes Yes No No No No ? Yes No No Yes Yes Yes ? ? Proprietary Trialware 1989 Iceland Friðrik Skúlason (second engine also with Dr. Vesselin Bontchev) EOL 2021
Fortinet FortiClient Yes Yes Yes No No Yes No No ? No No Yes No Yes Yes ? ? Proprietary Free 2004 United States
G Data CyberDefense G DATA AntiVirus Yes Yes Yes Yes No No No No ? No No Yes Yes Yes Yes ? ? Proprietary Non-free 1987 Germany Andreas Lüning and Kai Figge Third-party antivirus engine (G Data + Bitdefender)
G Data CyberDefense G DATA Internet Security Yes Yes Yes Yes Yes Yes Yes No ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2004 Germany Andreas Lüning and Kai Figge Third-party antivirus engine (G Data + Bitdefender)
G Data CyberDefense G DATA Total Security Yes Yes Yes Yes Yes Yes Yes No ? Yes Yes Yes Yes Yes Yes Yes ? Proprietary Non-free 2004 Germany Andreas Lüning and Kai Figge Third-party antivirus engine (G Data + Bitdefender)
Kaspersky Lab Kaspersky Anti-Virus Yes Yes Yes Yes No No No No ? Yes No Yes No Yes Yes ? ? Proprietary Non-free 1997 Russia Eugene Kaspersky and Natalia Kaspersky Banned by USG
Kaspersky Lab Kaspersky Internet Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2007 Russia Eugene Kaspersky and Natalia Kaspersky Banned by USG
Kaspersky Lab Kaspersky Total Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes Yes ? Proprietary Non-free Russia Eugene Kaspersky and Natalia Kaspersky Banned by USG
Malwarebytes Malwarebytes Yes Yes Yes Yes United States
McAfee McAfee Antivirus Yes Yes Yes Yes No No No No ? Yes No No Yes Yes Yes ? ? Proprietary Non-free 1987 United States John McAfee John McAfee "uninstall video" scandal
McAfee McAfee Internet Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2006 United States John McAfee John McAfee "uninstall video" scandal
Microsoft Windows Defender Yes Yes No No Only Windows 10 No No excepting Windows Firewall[6] No No ? No No No No Yes Yes No ? Proprietary Free 2012 United States
NANO Security Ltd NANO Antivirus Yes Yes No Yes No No No No ? Yes No Yes No Yes Yes No ? Proprietary Free 2009 Russia
NortonLifelock (formerly Symantec) Norton Internet Security Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2000 United States Whitelists FBI backdoor scandal[7][8]
NortonLifelock (formerly Symantec) (originally PC Tools) Spyware Doctor with AntiVirus Yes Yes No No No No No No ? No No Yes No Yes No ? ? Proprietary Non-free 2003 United States
Panda Security Panda Antivirus Pro Yes Yes Yes Yes Yes Yes No No ? No Yes No Yes Yes Yes ? ? Proprietary Non-free 1990 Spain Mikel Urizarbarrena
Panda Security Panda Internet Security Yes Yes Yes Yes Yes Yes No No ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2002 Spain Mikel Urizarbarrena
Panda Security Panda Antivirus Free Yes Yes Yes Yes Yes Yes No No ? No No Yes Yes Yes Yes ? ? Proprietary Trialware 2009 Spain
Qihoo 360 360 Total Security Yes Yes Yes Yes Yes No No No Yes No No Yes Yes Yes Yes ? ? Proprietary Free 2006 China
Sophos Sophos Anti-Virus Yes Yes Yes Yes Yes Yes Yes No ? Yes No No Yes Yes Yes ? ? Proprietary Non-free 1988 United Kingdom Jan Hruska and Peter Lammer
Sophos Sophos EndUser Protection Yes Yes Yes Yes Yes Yes Yes Yes ? Yes Yes Yes Yes Yes Yes ? ? Proprietary Non-free 2000 United Kingdom Jan Hruska and Peter Lammer
Trend Micro Titanium Antivirus Plus Yes Yes Yes Yes No No No No ? No Yes No No Yes Yes ? ? Proprietary Non-free 1990 Japan
Trend Micro Titanium Internet Security Yes Yes Yes Yes Yes No No No ? No No Yes No Yes Yes ? ? Proprietary Non-free 2008 Japan
TrustPort TrustPort Antivirus Yes Yes No Yes No Yes No No ? Yes Yes Yes No Yes Yes ? ? Proprietary Trialware 2008 Czech Republic Third-party antivirus engine (?)
TrustPort TrustPort Internet Security Yes Yes No Yes No Yes No No ? Yes Yes Yes No Yes Yes ? ? Proprietary Trialware 2008 Czech Republic Third-party antivirus engine (?)
TrustPort TrustPort Total Protection Yes Yes No Yes No Yes No No ? Yes Yes Yes No Yes Yes ? ? Proprietary Trialware 2008 Czech Republic Third-party antivirus engine (?)
VirusBlokAda Vba32 AntiVirus Yes Yes No No No No No No ? No No No No No No ? ? Proprietary Non-free 2010 Belarus
Company Software On-demand scan On-access scan Boot-time scans Heuristics CloudAV Firewall IDS IPS Sandbox Email Security AntiSpam Web protection Macro protection Live-Update Support Settings Import/Export installer/ updater MIMA safe License Price First release Country of origin Original author/s Notes

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