Ad-Aware highlights:
- Offers a free baseline real-time monitoring antivirus
- Compatible with Windows 7 and higher
- Requires less than 1% of CPU to perform the scans
- Users can install other antiviruses along with Adaware if they choose the compatible mode
- Monitors registry to spot modifications
- Detects and blocks malware before it has any chance to run
- Offers a sandbox to run infected files without any harm to the system
Malwarebytes highlights:
- Can work with other antivirus products
- System impact is well below average
- Compatible with Windows, Mac, iOS, Android, and Chromebook
- Offers a decent free edition
- Lightning-fast scans