Threat actors have been observed making use of fake websites masquerading as legitimate antivirus solutions from Avast, Bitdefender, and Malwarebytes to propagate malware capable of stealing sensitive information from Android and Windows devices.
"Hosting malicious software through sites which look legitimate is predatory to general consumers, especially those who look to protect their devices
A "multi-faceted campaign" has been observed abusing legitimate services like GitHub and FileZilla to deliver an array of stealer malware and banking trojans such as Atomic (aka AMOS), Vidar, Lumma (aka LummaC2), and Octo by impersonating credible software like 1Password, Bartender 5, and Pixelmator Pro.
"The presence of multiple malware variants suggests a broad cross-platform targeting
The authors behind the resurfaced ZLoader malware have added a feature that was originally present in the Zeus banking trojan that it's based on, indicating that it's being actively developed.
"The latest version, 2.4.1.0, introduces a feature to prevent execution on machines that differ from the original infection," Zscaler ThreatLabz researcher Santiago
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 geolocation but also operating system," Malwarebytes' Jérôme Segura said in a Tuesday analysis.
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