One of the most popular alternatives to Microsoft Defender is Malwarebytes Anti-Malware, which has a free version. Other popular alternatives are Avast Free Antivirus, ClamAV, Bitdefender Antivirus and Spybot - Search & Destroy. Anti-Virus Apps like Microsoft Defender are a crowded field, with more than 100 alternatives for Windows, Mac, Android, Linux and iPhone.
ClamWin is a free, open-source antivirus software for Microsoft Windows, using the ClamAV engine. It has an easy-to-use installer and its source code is publicly available. It features high detection rates for viruses and spyware, a scanning scheduler, and automatic updates of...
Australia
Comodo Internet Security is a free, very voluminous and multi-layered security application that keeps hackers out and personal information in.
United States
LoveLaceAV is a Hypatia fork, FOSS malware scanner for Android. It is powered by ClamAV style signature databases.
Panda Antivirus protects you while you work, play, or browse online.
Antivirus Protection Real-time protection against all types of malware and spyware. Schedule periodic scans and/or scan your computer on demand.
USB protection Protect your PC by preventing the automatic execu.
Spain
EU
Kaspersky Virus Removal Tool is a free software intended to disinfect infected computers, removing viruses, Trojans, and spyware, as well as any other types of malware. It can also remove advertising software and applications that may be used for malicious purposes.
Russia
Delivers comprehensive security with real-time threat protection against malware, spyware, ransomware, and phishing. Features include smart firewall, password manager, AI-driven virus defense, machine learning file analysis, Intrusion Prevention, Behavior Protection, Proactive Exploit Protection, and Power Eraser.
United States
Hypatia is the world's first FOSS malware scanner for Android. It is powered by ClamAV style signature databases.
United Kingdom
Secure up to 10 home Macs and PCs with business grade antivirus and web category blockers.
United Kingdom
Emsisoft Anti-Malware, previously a-squared Anti-Malware, is an antivirus and antispyware protection suite developed by Emsi Software.
New Zealand
SUPERAntiSpyware is a dedicated anti-malware tool that detects and removes spyware, adware, trojans, ransomware, and other threats that traditional antivirus software may miss. Available in Free and Pro editions for Windows.
United States
Offers multi-engine antivirus and anti-malware with real-time threat detection, ransomware prevention, system and privacy optimization, web and network protection, minimal system impact, regular threat updates, scheduled scans, and support for external devices.
China
All-in-one suite delivering antivirus, malware protection, firewall, secure VPN, cloud backup, password manager, dark web monitoring, parental controls, and identity theft safeguards, including LifeLock alerts, real-time protection, and cross-device coverage.
United States
