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Investing.com -- Microsoft (NASDAQ: MSFT ) announced on Wednesday that its Digital Crimes Unit (DCU) has taken legal action against the information-stealing malware, Lumma Stealer. The action came after the discovery of nearly 400,000 Windows computers worldwide infected by the malware in the past two months.

Lumma Stealer has the capability to steal data from a variety of browsers and applications, including cryptocurrency wallets. It can also install other malicious software, according to a blog post by Microsoft.

The DCU at Microsoft played a key role in the "takedown, suspension, and blocking of malicious domains that formed the backbone of Lumma’s infrastructure." This was made possible through a court order from the U.S. District Court of the Northern District of Georgia.

The U.S. Department of Justice has also intervened in the matter. It seized the central command structure for Lumma and disrupted the marketplaces where the malware tool was being sold to cybercriminals.

Microsoft emphasized the growth and resilience of Lumma Stealer in a separate blog post. The company pointed out the broader evolution of cybercrime and the necessity for layered defenses and industry collaboration to counter such threats.

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