Cyber Crime

DoppelPaymer Ransomware hits City of Torrance and demands a 680K+ ransom

The City of Torrance of the Los Angeles metropolitan area, California, is the last victim of the DoppelPaymer Ransomware, hackers also stole its data.

On Sunday, the computer systems in the city of Torrance suffered a cyber attack that interrupted access to email accounts and server functions.

The City of Torrance is located in the South Bay along the Pacific coast, it has a population of approximately 150,000 people.

Now additional news about the attack is circulating online, it seems that the City of Torrance of the Los Angeles metropolitan area, California, has allegedly been attacked by the DoppelPaymer Ransomware.

Unfortunately, the attacker have also stole unencrypted data from the infected systems before decripting them.

The attackers are demanding a more than $680 ransom worth of Bitcoin (100 BTC) to decrypt data, meantime they have already leaked online a part of the stolen files on their Dopple Leaks website to force the victims to meet the request.

city of torrancecity of torrance
Source Bleeping Computer

DoppelPaymer operators have published a page titled “City of Torrance, CA” that contains numerous leaked file archives.

“Based on the names of the archives, this data includes city budget financials, various accounting documents, document scans, and an archive of documents belonging to the City Manager.” reported Bleeping Computer.

Below the Tweet published the data breach notification service Under the Breach:

DoppelPaymer operators told BleepingComputer that in the attack took place on March 1st they encrypted files on approximately 150 servers and 500 workstations. The gang also claims to have erased the City’s local backups and to have stolen over 200 GB of files.

BleepingComputer has obtained a list of all of the files the hackers claim to have stolen, it includes 269,123 files throughout 8,067 directories.

DoppelPaymer in November compromised systems at the Mexican state-owned oil company Petróleos Mexicanos (Pemex) and demanded a $4.9 million ransom.

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Pierluigi Paganini

(SecurityAffairs – ransomware, hacking)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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