Detailed text transcripts for TV channel - KGO - 20170628:00:38:00
Of targets all received this ominous message. in english, on their screens, your files are no longer accessible. nobody can recover your files without our decryption service. send $300 worth of bitcoin. >> they might not give you your data back, but hit you again and say give me more money. >> reporter: the attack bears great similarities to a similar computer kidnap and ransom scheme last month, that hit british hospitals particularly hard. but that attack, later linked to north korea, was stopped when cyber security experts discovered a kill switch. >> and brian ross joins us now. as you men...