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macOS: Bashed Apples of Shlayer and Bundlore

Security Affairs

Though these scripts have slight variations, they mostly belong to a plague of adware strains— Shlayer and Bundlore. The malicious shell scripts used by Shlayer and Bundlore are usually malvertising-focused adware bundlers using shell scripts in the kill chain to download and install an adware payload.

Adware 138
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Lumma/Amadey: fake CAPTCHAs want to know if you’re human

SecureList

Our recent research into the adware landscape revealed that this malicious CAPTCHA is spreading through a variety of online resources that have nothing to do with games: adult sites, file-sharing services, betting platforms, anime resources, and web apps monetizing through traffic. One of the modules can also take screenshots.

Adware 121
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New Shlayer Mac malware spreads via poisoned search engine results

Security Affairs

The bash shell script opens and runs itself in the Terminal app, then it extracts a self-embedded, password-protected.zip archive file, which contains a traditional Mac.app bundle. The Mac.APP bundle downloads and executers a legitimate, Adobe-signed Flash Player installer, while executes the malicious Mac app in the background.

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Threat in your browser: what dangers innocent-looking extensions hold for users

SecureList

All of them were used to siphon off sensitive user data, such as cookies and passwords, and even take screenshots; in total, these malicious extensions were downloaded 32 million times. In 2020, Google removed 106 browser extensions from its Chrome Web Store. Victims of these attacks were not only individuals, but also businesses.

Adware 133
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Scranos – A Cross Platform, Rootkit-Enabled Spyware rapidly spreading

Security Affairs

The Scranos rootkit malware was first discovered late last year when experts at Bitdefender were analyzing a new password- and data-stealing operation leveraging around a rootkit driver digitally signed with a stolen certificate. . ” reads the report published by Bitdefender. ” continues the repor.t.

Spyware 107
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Gaming-related cyberthreats in 2020 and 2021

SecureList

Last year’s lockdowns gave a boost to the mobile market, with users downloading thirty percent more mobile games per week in Q1 2021 than in Q4 2019 globally, reaching over one billion weekly downloads. Users attempting to download malicious or unwanted files disguised as games, by quarter, Q1 2020 – Q2 2021 ( download ).

Adware 144
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No “Apple magic” as 11% of macOS detections last year came from malware

Malwarebytes

Separately, in September 2023, Malwarebytes discovered a cybercriminal campaign that tricked Mac users into accidentally installing a type of malware that can steal passwords, browser data, cookies, files, and cryptocurrency. But users who clicked the Mac download button instead received AMOS.

Malware 144