Just days after President Biden demanded that President Vladimir V. Putin of Russia shut down ransomware groups attacking American targets, the most aggressive of the groups suddenly went off-line early Tuesday.
The mystery is who made it happen.
The group, called REvil, short for “Ransomware evil,” has been identified by U.S. intelligence agencies as responsible for the attack on one of America’s largest beef producers, JBS. Two weeks after Mr. Biden and Mr. Putin met in Geneva last month, REvil took credit for a hack that affected thousands of businesses around the world over the July 4 holiday.
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Hacking group behind widespread ransomware attacks disappears online
A cybercriminal group that took responsibility for a massive ransomware attack that affected hundreds of businesses this month has disappeared from sight online.
REvil, which is thought to be based in Russia, was not in its usual places on the “dark web” and the regular Internet on Tuesday. Many researchers have blamed the group for the huge hack that hit technology services provider Kaseya just hours before the beginning of the Fourth of July weekend.
Russia-based ransomware gang offline but cause not clear
The Russia-based criminal syndicate behind a devastating series of recent ransomware attacks was offline on Tuesday, but cybersecurity experts said that it was premature to speculate why and that there was no indication of a law enforcement takedown.
REvil: Ransomware gang websites disappear from internet
Websites for a Russian-linked ransomware gang blamed for attacks on hundreds of businesses worldwide have gone offline.
Ransomware gang REvil’s websites become unreachable
Websites run by the ransomware gang REvil suddenly became unreachable on Tuesday. Ransomware gang websites can be unreliable, and it was unclear whether the site’s disappearance was a momentary fluke or whether the hackers had been taken offline.