Russian Phobos ransomware operator Evgenii Ptitsyn extradited from South Korea to the US to face cybercrime charges.Ptitsyn allegedly managed the sale, distribution, and operation of the Phobos ransomware.The Phobos ransomware operation targeted over 1,000 entities worldwide, extorting more than $16 million in ransom payments.Ptitsyn faces multiple charges including wire fraud, computer fraud and abuse, and extortion.