Security firm Cybereason’s principal security researcher Amit Serper has discovered an invasive OSX.Pirrit adware variant that has been launched to target macOS so that attackers could invade and completely hijack any Mac computer. Already thousands of Mac devices across the globe have been infected with the adware.
This campaign is a bit different from regular adware campaigns, stated Serper, since other such campaigns let the attacker bombard a computer with ads while this particular campaign not only floods the computer with ads but additionally spies on the user. It also allows attackers to capture personal information of the user and claim the highest level user privileges. It steals sensitive personal data including bank account logins and critical financial and business data.
“As for OSX.Pirrit malware, it runs under root privileges, creates autoruns and generates random names for itself on each install. Plus, there are no removal instructions and some of its components mask themselves to appear like they’re legitimate and from Apple,” wrote Serper.
Serper noted that Israeli firm TargetingEdge has created OSX-Pirrit and the malware authors’ have worked really hard to avoid detection since the firm claims to be involved in the development and operation of “legitimate and legal installer product for Mac users.”
Serper also stated that the firm was threatening with legal action for relating it to the malware. Cybereason has been publishing reports since April 2016 in which it has named TargetingEdge for this adware and the third report was published this week. All the reports were written by Serper and in his latest report , Serper has referred to the malware as Nasty.
“For the past two weeks, they’ve tried to prevent me from publishing this research. Cybereason has received a few cease and desist letters from a firm claiming to be TargetingEdge’s legal counsel. The letters demand that we stop referring to TargetingEdge’s software as malware and refrain from publishing this report,” wrote Serper.
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