COMODO Antivirus

Comodo Antivirus eliminates viruses, spyware, and other malware from desktops and networks. Obliterate viruses and malware without hogging your PCs resources: Detects, blocks, and destroys viruses, immediate feedback on suspicious files, protects with On Access scanning, schedule your scans, daily automatic updates.

It is also available on Android with the name Comodo Mobile Security