Acronis TRU researchers have discovered an ongoing campaign that leverages a novel combination of screen hijacking techniques with ClickFix, displaying a realistic, full-screen Windows Update of “Critical Windows Security Updates” to trick victims into executing malicious commands.

Acronis Threat Research Unit (TRU) observed a global malvertising / SEO campaign, tracked as “TamperedChef.” It delivers legitimate-looking installers that disguise as common applications to trick users into installing them, establish persistence and deliver obfuscated JavaScript payloads for remote access and control.

The Acronis Cyberthreats Update covers current cyberthreat activity and trends, as observed by Acronis Threat Research Unit (TRU) and Acronis sensors. Figures presented here were gathered in October 2025 and reflect threats that Acronis detected, as well as news stories from the public domain.

Must-know cybersecurity news for MSPs: GlassWorm, ClickFix, Gootloader and the dangerous new era of AI-powered malware. Review key threats and a major public-sector breach.

Introducing the Acronis TRU Alliance Series. This new series highlights collaborative research analysis between Acronis Threat Research Unit (TRU) and other leading threat intelligence teams. In this first post of our collaboration series, we’ve teamed up with VirusTotal (VT) to share practical insights from Acronis TRU on several recent reports.

Qilin ransomware abuses Windows Subsystem for Linux to deploy Linux encryptors on Windows, Atroposia malware includes built-in vulnerability scanner for targeted exploitation, and more. Here are the latest threats to MSP security.

Here is the MSP cybersecurity news digest for October 21, 2025 from the Acronis Threat Research Unit (TRU).