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MERENA
Immediate Action Alert

Watch Out For Fake Windows Update Screens

Cybercriminals are using fake Windows Update screens to trick users into running harmful commands that install malware like LummaC2 and Rhadamanthys. These deceptive pages instruct users to press ‘Win+R’ and execute commands copied to their clipboard, leading to malware infections.


Who is at risk

Anyone using Windows computers who might encounter unexpected update prompts online.

What to watch for

Be cautious of websites displaying full-screen Windows Update messages asking you to run commands manually.

What to do

Avoid executing commands from untrusted sources and ensure your system updates are managed through official Windows settings.