RenEngine: When “free” comes at too high a price

Kaspersky researchers often describe cases of malware distribution under the guise of game cheats and pirated software. Sometimes such methods are used to spread complex malware that employs advanced techniques and sophisticated infection chains. In February 2026, researchers from Howler Read More …

Amatera Stealer: Rebranded ACR Stealer With Improved Evasion, Sophistication

Proofpoint has been closely monitoring a stealer malware formerly known as ACR Stealer. In 2025, Proofpoint analysts identified a new, unnamed malware exhibiting significant code overlap, shared features, and capabilities with ACR Stealer. Further investigation revealed that ACR Stealer was Read More …