Hard-drive-scrambling ransomware menaced more than 2,000 systems at San Francisco’s public transit agency on Friday and demanded 100 bitcoins to unlock data, The Register has learned. Ticket machines were shut down and passengers were allowed to ride the Muni light-rail system for free on Saturday – a busy post-Thanksgiving shopping day for the city – while IT workers scrambled to clean up the mess. A variant of the HDDCryptor malware infected 2,112 computers within the San Francisco Municipal Transportation Agency, the ransomware’s masters claimed in email correspondence seen by El Reg.
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ORIGINAL SOURCE: The Register
