NordLocker reported the stolen data on Wednesday, noting that it also contained over 2 billion browser cookies. According to Ars Technica, all of the data from the 1.2-terabyte database appears to have been extracted from over 3 million PCs between 2018 and 2020.
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NordLocker has been unable to determine exactly which malware was used to gather the data. “Just like with hurricanes, experts love naming dangerous malware. But computer viruses don’t have to have names to be capable of stealing lots of data. The truth is, anyone can get their hands on custom malware. It’s cheap, customizable, and can be found all over the web,” the researchers wrote.