Avira Free Antivirus
Avira Free Antivirus 3.8 for Mac can be downloaded from our software library for free. The latest setup package occupies 188.3 MB on disk. This Mac download was checked by our built-in antivirus and was rated as clean. This free Mac application was originally created by Avira.
From the developer:
Avira products are comprehensive and flexible tools you can rely on to protect your Mac from viruses, malware, unwanted applications and other dangers.
You may want to check out more software for Mac, such as Avira, Avira Optimizer or Avira Secure Backup, which might be similar to Avira Free Antivirus.