The US Federal Bureau of Investigation (FBI) has received reports of more than $18m in losses in the past year stemming from the spread of the bitcoin ransomware Cryptowall and its related variants.
A 23rd June advisory from the FBI’s Internet Crime Complaint Center stated that the agency received 992 complaints related to Cryptowall between April 2014 and June 2015.
In many cases, the losses incurred by victims have stemmed largely from post-attack costs, according to the advisory.
The notice read:
The advisory stated that the majority of the attacks involve ransoms paid in bitcoin, adding that the digital currency provides a number of useful advantages.
“Criminals prefer bitcoin because it's easy to use, fast, publicly available, decentralized and provides a sense of heightened security/anonymity," the notice read.
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