Avast Free Antivrus

• Intelligent Antivirus Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you.
• Cyber Capture Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat.
• Wi-Fi Inspector Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.
• Smart Scan Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software.

Kaspersky free antivirus

• Blocks dangerous files, sites & more
  
• Protects your personal information
  
• Secures – without slowing you down
  

AVg Free Antivirus

• Stop viruses, spyware, ransomware & other malware
• Block unsafe links, downloads, & email attachments
• Scan for PC performance problems
• Get real time-security updates

Avira free antivirus

• Next-gen antivirus protection
• Stops ransomware
• Guarantees your privacy
• Offers community support

Malwarebytes free version

• Remediation - cleans infected machine