Antivirus software developer Malwarebytes today shared its State of Malware Report for 2020 [PDF], which suggests that Mac malware is growing much more common.
For the first time ever, Macs outpaced Windows PCs in the number of threats detected per endpoint. Malwarebytes detected 11 threats per endpoint for its Mac users, compared to 5.8 for its Windows users. The Mac threats were up quite a bit from the 4.8 threats detected per endpoint in 2018.
Malwarebytes says that there was a 400 percent increase in the overall prevalence of Mac threats in 2019, but part of that increase is attributable to an increase in the Malwarebytes for Mac user base, which is why the threats per endpoint metric was used for comparison purposes. Malwarebytes claims that the average number of threats detected on a Mac has surpassed Windows “by a great deal.”
This means that the average number of threats detected on a Mac is not only on the rise, but has surpassed Windows–by a great deal. This is likely because, with increasing market share in 2019, Macs became more attractive targets to cybercriminals. In addition, macOS’ built-in security systems have not cracked down on adware and PUPs to the same degree that they have malware, leaving the door open for these borderline programs to infiltrate.
This data only includes threats detected by the Malwarebytes software, of course, and it is limited to Mac users who have Malwarebytes installed. Many Mac users may not install antivirus software like Malwarebytes until there’s a sign of something wrong, so it’s important to take that into account when viewing these numbers.
Adware overall was more aggressive in 2019, targeting consumer and business endpoints on Windows, Mac, and Android devices. There were a total of 24 million Windows adware detections and 30 million Mac detections, with the top consumer threat detections belonging to adware families.
According to Malwarebytes, the Mac threats appeared at the top of its overall threat detections for the first time. The number one Mac threat detected was a family of adware called NewTab, installed as a browser extension or as an app. NewTab aims to redirect searches on the web to earn illicit ad revenue.
Most Mac threats are not as dangerous as some of the threats detected on Windows machines and consist of adware and potentially unwanted programs. The most common traditional Mac malware family, OSX.Generic.Suspicious was far down on the list of Mac-specific malware detections in the 30th spot.
Potentially unwanted programs include “cleaning” apps like MacKeeper and MacBooster, along with apps like Advanced Mac Cleaner, Mac Adware Cleaner, and others. Of all Mac threats, only one incident used a technique other than tricking the user into downloading and opening something they shouldn’t.
That is the incident in which Coinbase, and several other cryptocurrency companies, were targeted with malware that infected systems through a Firefox zero- day vulnerability. Affected systems were infected with the older Wirenet and Mokes malware. This was the first time such a vulnerability had been used to infect Macs in any significant way since 2012, when Java vulnerabilities were used repeatedly to infect Macs (until Apple ripped Java out of the system, ending the threats).
According to Malwarebytes, adware and unwanted problems are becoming a more noticeable nuisance to Mac users overall, and Mac users can “no longer say that their beloved systems are immune from malware.”
Malwarebytes’ full report can be read on the Malwarebytes website.
This article, “Malwarebytes: Macs Outpaced PCs in Number of Malware Threats Detected Per Endpoint in 2019, But Most Are Adware” first appeared on MacRumors.com
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