Fake ChatGPT download site infects Windows and Mac users with malware

A convincing fake website is impersonating OpenAI’s ChatGPT download page and infecting visitors with malware designed to steal passwords, browser data, cryptocurrency wallets, and other sensitive information. The site, openew.app, closely mimics OpenAI’s real ChatGPT download experience and offe...

ClickFix finds a new way to infect Macs

ClickFix campaigns are looking for alternatives now that many Mac users have been made aware of the dangers of pasting certain commands into Terminal. Researchers found that ClickFix has kept the same social engineering playbook but completely sidestepped Terminal by using the applescript:// URL...

Malicious OpenClaw Skills Used to Distribute Atomic MacOS Stealer

Malicious OpenClaw skills trick AI agents and users into installing a new AMOS variant that steals extensive data at scale...

Researchers Find 341 Malicious ClawHub Skills Stealing Data from OpenClaw Users

A security audit of 2,857 skills on ClawHub has found 341 malicious skills across multiple campaigns, according to new findings from Koi Security, exposing users to new supply chain risks. ClawHub is a marketplace designed to make it easy for OpenClaw users to find and install third-party skills...

Fake CAPTCHA sites now have tutorial videos to help victims install malware

Early on in 2025, I described how criminals used fake CAPTCHA sites and a clipboard hijacker to provide instructions for website visitors that would effectively infect their own machines with an information stealer known as the Lumma Stealer. ClickFix is the name researchers have since given to...

Fake Malwarebytes, LastPass, and others on GitHub serve malware

Fake versions of legitimate software are currently circulating on GitHub pages, in a large-scale campaign targeting Mac users. Unfortunately, Malwarebytes for Mac is one of them. Impersonating brands is sadly commonplace, as scammers take advantage of established brand names to target their...

An MDR Analysis of the AMOS Stealer Campaign Targeting macOS via ‘Cracked’ Apps

Trend™ Research analyzed a campaign distributing Atomic macOS Stealer AMOS, a malware family targeting macOS users. Attackers disguise the malware as “cracked” versions of legitimate apps, luring users into installation...

Fake Microsoft Teams for Mac delivers Atomic Stealer

Competition between stealers for macOS is heating up, with a new malvertising campaign luring Mac users via a fraudulent advert for Microsoft Teams. This attack comes on the heels of the new Poseidon OSX.RodStealer project, another threat using a similar code base and delivery techniques. Based o...

Stealer Malwares Delivered Through Malicious Ads and Bogus Websites

Summary: Two distinct stealer malware programs, including Atomic Stealer, are being distributed to Apple macOS users through deceptive advertisements and counterfeit websites. These recent attacks have successfully infected victims macOS devices with infostealers. Threat Level - Red | Attack Repo...

Hackers Target macOS Users with Malicious Ads Spreading Stealer Malware

Malicious ads and bogus websites are acting as a conduit to deliver two different stealer malware, including Atomic Stealer, targeting Apple macOS users. The ongoing infostealer attacks targeting macOS users may have adopted different methods to compromise victims' Macs, but operate with the end...

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

We’re going to let you in on a little cybersecurity secret… There’s malware on Mac computers. There pretty much always has been. As revealed in our 2024 ThreatDown State of Malware report, a full 11% of all detections recorded by Malwarebytes on Mac computers in 2023 were for different variants o...

Atomic Stealer Gets an Upgrade - Targeting Mac Users with Encrypted Payload

Cybersecurity researchers have identified an updated version of a macOS information stealer called Atomic or AMOS, indicating that the threat actors behind the malware are actively enhancing its capabilities. "It looks like Atomic Stealer was updated around mid to late December 2023, where its...

Atomic Stealer rings in the new year with updated version

Last year, we documented malware distribution campaigns both via malvertising and compromised sites delivering Atomic Stealer AMOS onto Mac users. This stealer has proven to be quite popular in the criminal underground and its developers have been adding new features to justify its hefty...

ClearFake Campaign Expands to Target Mac Systems with Atomic Stealer

The macOS information stealer known as Atomic is now being delivered to target via a bogus web browser update chain tracked as ClearFake. "This may very well be the first time we see one of the main social engineering campaigns, previously reserved for Windows, branch out not only in terms of...

Atomic Stealer distributed to Mac users via fake browser updates

Atomic Stealer, also known as AMOS, is a popular stealer for Mac OS. Back in September, we described how malicious ads were tricking victims into downloading this piece of malware under the disguise of a popular application. In an interesting new development, AMOS is now being delivered to Mac...

Mac Users Beware: Malvertising Campaign Spreads Atomic Stealer macOS Malware

A new malvertising campaign has been observed distributing an updated version of a macOS stealer malware called Atomic Stealer or AMOS, indicating that it's being actively maintained by its author. An off-the-shelf Golang malware available for $1,000 per month, Atomic Stealer first came to light ...

Mac users targeted in new malvertising campaign delivering Atomic Stealer

Summary Malicious ads for Google searches are targeting Mac users Phishing sites trick victims into downloading what they believe is the app they want The malware is bundled in an ad-hoc signed app so it cannot be revoked by Apple The payload is a new version of the recent Atomic Stealer for OSX...

Actors, Threats and Vulnerabilities 01 to 07 May 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, the fact that there were a total of eight attacks executed, taking advantage of different vulnerabilities in various...

New Atomic Stealer MacOS malware Steals Browser Cookies and Cryptocurrency Wallets

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Atomic Stealer malware is a full-featured infostealer designed to steal sensitive data from macOS users. The malware can grab account passwords, browser data, session cookies, and crypto-wallets. To...