An affiliate of the notorious REvil gang infected thousands of victims in at least 17 countries.
BOSTON — Cybersecurity teams worked feverishly Sunday to stem the impact of the single biggest global ransomware attack on record, with some details emerging about how the Russia-linked gang responsible breached the company whose software was the conduit.
An affiliate of the notorious REvil gang, best known for extorting $11 million from the meat-processor JBS after a Memorial Day attack, infected thousands of victims in at least 17 countries on Friday, largely through firms that remotely manage IT infrastructure for multiple customers, cybersecurity researchers said. They reported ransom demands of up to $5 million.
The FBI said in a statement Sunday that it was investigating the attack along with the federal Cybersecurity and Infrastructure Security Agency, though “the scale of this incident may make it so that we are unable to respond to each victim individually.”
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A broad array of businesses and public agencies were hit by the latest attack, apparently on all continents, including in financial services, travel and leisure and the public sector — though few large companies, the cybersecurity firm Sophos reported. Ransomware criminals break into networks and sow malware that cripples networks on activation by scrambling all their data. Victims get a decoder key when they pay up.
The Swedish grocery chain Coop said most of its 800 stores would be closed for a second day Sunday because their cash register software supplier was crippled. A Swedish pharmacy chain, gas station chain, the state railway and public broadcaster SVT were also hit.
In Germany, an unnamed IT services company told authorities several thousand of its customers were compromised, the news agency dpa reported. Also among reported victims were two big Dutch IT services companies — VelzArt and Hoppenbrouwer Techniek. Most ransomware victims don’t publicly report attacks or disclose if they’ve paid ransoms.
CEO Fred Voccola of the breached software company, Kaseya, estimated the victim number in the low thousands, mostly small businesses like “dental practices, architecture firms, plastic surgery centers, libraries, things like that.”
Voccola said in an interview that only between 50-60 of the company’s 37,000 customers were compromised. But 70% were managed service providers who use the company’s hacked VSA software to manage multiple customers. It automates the installation of software and security updates and manages backups and other vital tasks.
Experts say it was no coincidence that REvil launched the attack at the start of the Fourth of July holiday weekend, knowing U.S. offices would be lightly staffed. Many victims may not learn of it until they are back at work on Monday. The vast majority of end customers of managed service providers “have no idea” what kind of software is used to keep their networks humming, said Voccola,
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Cybersecurity teams worked feverishly Sunday to stem the impact of the single biggest global ransomware attack on record https://t.co/7bpnnsdKPD
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