Download of Antivirus One 3.8.6 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X was originally designed by Trend Micro Incorporated. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program belongs to Security Tools.
From the developer:
Keep your digital wallets and keychains safe with Antivirus One , your personal cyber security expert.
Antivirus One offers live antivirus monitoring to protect your Mac from adware, ransomware, spyware and all kinds of malware attacks.
You may want to check out more software for Mac, such as ESET NOD32 Antivirus Business Edition, ProtectMac AntiVirus or Norton AntiVirus, which might be related to Antivirus One.