11 Mar, 2026

Fake MAS Windows activation domain used to spread PowerShell malware

A typosquatted domain impersonating the Microsoft Activation Scripts (MAS) tool was used to distribute malicious PowerShell scripts that infect Windows systems with the ‘Cosmali Loader’. GeekFeed has found that multiple MAS users began reporting on Reddit [1, 2] yesterday that they received pop-up warnings on their systems about a Cosmali Loader infection. You have been infected by a malware […]

2 mins read

Malicious NPM packages fetch infostealer for Windows, Linux, macOS

Ten malicious packages mimicking legitimate software projects in the npm registry download an information-stealing component that collects sensitive data from Windows, Linux, and macOS systems. The packages were uploaded to npm on July 4, and remained undetected for a long period due to multiple layers of obfuscation that helped escape standard static analysis mechanisms. According to researchers at […]

3 mins read

Malicious npm packages target Ethereum developers’ private keys

Twenty malicious packages impersonating the Hardhat development environment used by Ethereum developers are targeting private keys and other sensitive data. Collectively, the malicious packages have recorded more than one thousand downloads, researchers say. Narrow targeting campaign Hardhat is a widely used Ethereum development environment maintained by the Nomic Foundation. It is used for developing, testing, […]

2 mins read

Ransomware gang targets IT workers with new SharpRhino malware

The Hunters International ransomware group is targeting IT workers with a new C# remote access trojan (RAT) called SharpRhino to breach corporate networks. The malware helps Hunters International achieve initial infection, elevate their privileges on compromised systems, execute PowerShell commands, and eventually deploy the ransomware payload. Quorum Cyber researchers who discovered the new malware report that it […]

2 mins read