

Unlike its Bash-based cousins, this variant of the malware is written in Python, and its operation algorithm is also somewhat different. Of all its modifications, only the recent stands apart. Most of Shlayer Trojan variants flagged by Kaspersky were described as nothing out of ordinary, although recent versions were observed being written in Python:ĭespite its prevalence, from a technical viewpoint Shlayer is a rather ordinary piece of malware. During 2019, Kaspersky security software identified 32,000 samples across its all monitored systems, which accounts for 30% of all Mac malware detections, most of which come from the USA (31%), Germany (14%) and France (10%). As it turned out, one in ten Macs were at some point were infected with a relatively primitive – yet effective – malware Shlayer Trojan, also dubbed OSX/Shlayer by Intego security researchers when they discovered it back in February 2018. However, security researchers had proven multiple times that Macs are not immune to malicious software, as users can easily be tricked into installing malware – granting it permission to do so.Īnti-virus maker Kaspersky published a yearly report about its monitored macOS machines – and results may surprise some. Shlayer Trojan topped the 2019 charts: 1 in 10 Macs got infected by it throughout the yearĪ total 32,000 samples of Shlayer Trojan were flagged by security software during 2019 - most infections coming from the USAĮven in 2020, there are many Apple device power users who claim that macOS does not need anti-malware software due to the advanced implementation of security measures of the operating systems – these allegedly protect from all the evil lurking on the web.
