Over 150,000 users are regularly updating the free Sophos anti-virus tool for Mac computers from its servers.
In a blog post, Sophos security expert Graham Cluley said that the Sophos Anti-Virus for Mac Home Edition, which was launched on 2 November, was seeing one download per second at its peak.
The security firm also released statics about the type of malware that was being detected by Mac users, finding that malware targeting Microsoft's Windows operating system was high on the list.
According to The Register, the Mal/ASDFDldr-A malware, which accounts for 4.62 per cent of the detections, makes use of the scripting capabilities of the Windows Media Player to infect the computer systems.
The malware is capable of redirecting users a malicious website which installs malware on the system.
The media files infected with the malware are usually blank and can pretend to be music from famous artists such as Lady Gaga and Madonna. Some Mac specific malware was also detected, like the OSX/Jahlav and DNS Changer, which are planted by hackers on BitTorrent websites.