steganography

The “Windows Update” screen you trust has been weaponized: attackers are using a high-fidelity fake update pop-up to trick Windows users into pasting and executing a malicious command that boots a fileless, in‑memory infostealer — a fresh and dangerous iteration of the ClickFix...

A convincing fake Windows Update screen is the latest disguise in the evolving ClickFix campaign, and the attack chain’s new tricks — automatic clipboard poisoning, PNG steganography and a .NET “Stego Loader” — show a clear shift from simple social engineering to multi-stage, fileless delivery...