Microsoft Says 394,000 Windows Computers Infected by Malware Worldwide

The malware is used by malign actors to steal bank account information, credit card data, passwords, and cryptocurrency wallets, the company says.

The Microsoft logo in Issy-les-Moulineaux, outside Paris, France, on April 12, 2016. Michel Euler/The Canadian Press/AP

Tech giant Microsoft warned that nearly 400,000 computers with its Windows operating system were infected with a type of malware and that it is taking legal action against the perpetrator.

In a blog post, the company said it broke down the Lumma Stealer malware project with assistance from law enforcement officials around the world. The Lumma malware is heavily used by malign actors, the company said, adding that it is used to steal bank account information, credit card data, passwords, and cryptocurrency wallets.