State and local government agencies, as well as K-12 educational institutions are being targeted in a newly discovered spam email campaign aimed at distributing a new ransomware variant, Proofpoint researchers warn.
Dubbed MarsJoke, the malware was observed in late August, but the first large-scale spam campaign involving this piece of ransomware kicked off only on Sept. 22, 2016. The distribution of this spam is fueled by the Kelihos botnet, which has been recently associated with other campaigns as well, Proofpoint reveals.
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