Key Takeaways
Microsoft's ( MSFT ) digital crimes unit, and law enforcement agencies disrupted a computer malware that was a “go-to tool for cybercriminals ,” the software giant said.
The malware, known as "Lumma Stealer," infected more than 394,000 Windows computers globally between March 16 and May 16, Microsoft said in a blog post Wednesday. Lumma helps users steal passwords, credit card information, bank accounts and cryptocurrency wallets , Microsoft said. Europol's European Cybercrime Centre called it "the world’s most significant infostealer threat.
Last week, Microsoft took legal action that allowed its digital crimes unit to take down roughly 2,300 malicious domains “that formed the backbone of Lumma’s infrastructure," the company said.
“Working with law enforcement and industry partners, we have severed communications between the malicious tool and victims,” Microsoft said. The company said it has obtained more than 1,300 domains and will redirect them to Microsoft-controlled servers known as sinkholes.
The U.S. Justice Department took over Lumma’s central command structure and “disrupted the marketplaces” where the malware is sold to cybercriminals, according to the blog post. Europol and
Japan
’s Cybercrime Control Center also were involved, Microsoft said.
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