As of 2015, effective antivirus programs include Webroot SecureAnywhere Antivirus and Bitdefender Antivirus Plus. Webroot SecureAnywhere Antivirus has a small file size. It receives top marks in two independent lab tests and receives a perfect score in a test conducted by PC Magazine.
Bitdefender Antivirus Plus is compatible with Windows 7, 8 and 10. It offers an autopilot mode that operates without user interaction. It automatically detects the running applications and switches configuration profiles accordingly. This program supports two scan modes: quick scan and full system scan. It uses information obtained in the first full system scan to optimize subsequent scans.