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Warning over free online file converters that actually install malware

Malwarebytes

The FBI warned specifically about that malware leading to ransomware attacks, but we’ve also seen similar sites that install browser hijackers, adware, and potentially unwanted programs (PUPs). Other passwords and session tokens that could allow the scammers to bypass multi-factor authentication (MFA). This is the actual malware.

Malware 141
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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 129
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IT threat evolution in Q3 2024. Non-mobile statistics

SecureList

The group’s victims according to its DLS as a percentage of all groups’ published victims during the period under review ( download ) Number of new modifications In Q3 2024, we detected three new ransomware families and 2109 new variants, or half of what we discovered in the previous reporting period. 2 China 0.95 3 Libya 0.68

Mobile 106
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Macs targeted by info stealers in new era of cyberthreats

Malwarebytes

The latest, major threats to Mac computers can steal passwords and credit card details with delicate precision, targeting victims across the internet based on their device, location, and operating system. On these websites, cybercriminals advertise a piece of high-demand software and trick users into a download.

Malware 137
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Strengthen your digital defenses on World Password Day

Webroot

In todays digital world, passwords have become a necessary part of life. May 1, 2025, is World Password Day , a reminder that passwords are the unsung heroes of cybersecurity, the first line of defense for all your sensitive personal data. World Password Day is more relevant than ever in todays evolving threat landscape.

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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 134
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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.