NotPetya — ‘Ransomware’ That Spreads like a Worm

NotPetya, as it turned out, was disseminated via the compromised software from MeDoc, a distributor of tax accounting software mandated by the Ukrainian government. Hackers seemed to have breached the firm’s computer systems and compromised a software update that was published to customers on June 22 — leading the malware to spread to more than 12,000 systems throughout Europe and America.

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