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www-nytimes-com-1562		REvil, Hacking Group Behind Major Ransomware Attack, Disappears - The New York Times			.html	text/html	1758	97	64	REvil, Hacking Group Behind Major Ransomware Attack, Disappears The New York Times Putin of Russia shut down ransomware groups attacking American targets, the most aggressive of the groups suddenly went off-line early Tuesday. Internet security groups said the custom-made sites — think of them as virtual conference rooms — where victims negotiated with REvil over how much ransom they would pay to get their data unlocked also disappeared. While the disappearance of the hackers' online presence was celebrated by many who see ransomware as a new scourge — one Mr. Biden has called a critical national security threat — it left some of the group's targets in the lurch, unable to pay the ransom to get their data back and get their businesses running again. One is that Mr. Biden ordered the United States Cyber Command, working with domestic law enforcement agencies, including the F.B.I., to bring the group's sites down.	./cache/www-nytimes-com-1562.html	./txt/www-nytimes-com-1562.txt