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UCSF admits it paid NetWalker more than $1 million ransom

Posted on June 27, 2020 by Dissent

On June 4, this site noted that NetWalker ransomware operators had added the University of California at San Francisco (UCSF) to their website where they name victims who have not paid their ransom demands. I did not expect the university to pay, commenting, at the time, “I wonder if the threat actors know how many leaks and breaches UCSF has had over the years. Why on earth would they pay ransom this time?”

When I checked back on June 19, UCSF was no longer listed on NetWalker’s site, which I found interesting.

Yesterday, Kartikay Mehrotra of Bloomberg reported that UCSF did pay NetWalker $1.14 million ransom. The university also issued another statement yesterday:

As we disclosed on June 3, UCSF IT staff detected a security incident that occurred in a limited part of the UCSF School of Medicine’s IT environment on June 1.

We quarantined several IT systems within the School of Medicine as a safety measure, and we successfully isolated the incident from the core UCSF network. Importantly, this incident did not affect our patient care delivery operations, overall campus network, or COVID-19 work.

While we stopped the attack as it was occurring, the actors launched malware that encrypted a limited number of servers within the School of Medicine, making them temporarily inaccessible. Since that time, we have been working with a leading cyber-security consultant and other outside experts to investigate the incident and reinforce our IT systems’ defenses. We expect to fully restore the affected servers soon.

Our investigation is ongoing but, at this time, we believe that the malware encrypted our servers opportunistically, with no particular area being targeted. The attackers obtained some data as proof of their action, to use in their demand for a ransom payment. We are continuing our investigation, but we do not currently believe patient medical records were exposed. As additional facts become known, we will provide further updates.

The data that was encrypted is important to some of the academic work we pursue as a university serving the public good. We therefore made the difficult decision to pay some portion of the ransom, approximately $1.14 million, to the individuals behind the malware attack in exchange for a tool to unlock the encrypted data and the return of the data they obtained.

This incident reflects the growing use of malware by cyber-criminals around the world seeking monetary gain, including several recent attacks on institutions of higher education. We continue to cooperate with law enforcement, and we appreciate everyone’s understanding that we are limited in what we can share while we continue with our investigation.

The statement does not explain whether there were backups available or if not, why not.

Going public about paying ransom will likely only encourage other threat actors to try attacking universities, too, and their demands will increase.  Hopefully other universities will urgently harden their defenses and make sure that they have backups that they test and that work — and that are not vulnerable to being locked up by the malware too.

 


Related:

  • Two more entities have folded after ransomware attacks
  • British institutions to be banned from paying ransoms to Russian hackers
  • Global hack on Microsoft product hits U.S., state agencies, researchers say
  • Authorities released free decryptor for Phobos and 8base ransomware
  • More than 100 British government personnel exposed by Ministry of Defence data leak
  • Armenian National Extradited to the United States Faces Federal Charges for Ransomware Extortion Conspiracy
Category: Education SectorMalwareOf Note

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