RedCurl Cybercrime Group Abuses Windows PCA Tool for Corporate Espionage

The Russian-speaking cybercrime group called RedCurl is leveraging a legitimate Microsoft Windows component called the Program Compatibility Assistant PCA to execute malicious commands. "The Program Compatibility Assistant Service pcalua.exe is a Windows service designed to identify and address...

Monti Ransomware Returns with New Linux Variant and Enhanced Evasion Tactics

The threat actors behind the Monti ransomware have resurfaced after a two-month break with a new Linux version of the encryptor in its attacks targeting government and legal sectors. Monti emerged in June 2022, weeks after the Conti ransomware group shut down its operations, deliberately imitatin...

Beware of Big Head Ransomware: Spreading Through Fake Windows Updates

A developing piece of ransomware called Big Head is being distributed as part of a malvertising campaign that takes the form of bogus Microsoft Windows updates and Word installers. Big Head was first documented by Fortinet FortiGuard Labs last month, when it discovered multiple variants of the...