WannaCry ransomware is also known as WannaCrypt, WCry, Wana Decrypt0r 2.0, WannaCrypt0r 2.0 and Wanna Decryptor. It targets computers running outdated versions of the Microsoft Windows operating systems by exploiting the EternalBlue vulnerability in the Server Message Block (SMB) protocol. #Krebs group ransomwhere 32m pagetechcrunch windows This allowed the ransomware to spread without victim participation.Ī group known as The Shadow Brokers stole the EternalBlue exploit from the United States National Security Agency (NSA) a few months prior to the cyber attack. The EternalBlue exploit was discovered, but not disclosed, by the NSA prior to the attack. The NSA has since been criticized for not disclosing the exploit to Microsoft or the public on CVE, which may have allowed it to be patched prior to WannaCry.ĭespite quick patching and the discovery of a kill switch domain, WannaCry was able to spread to an estimated 200,000 computers across 150 countries, causing hundreds of millions to billions of dollars in damages. Much of WannaCry's success was due to poor patching cadence. Security experts, the United States, United Kingdom, Canada, Japan, New Zealand and Australia have formally asserted North Korea was behind the attack. CryptoLockerĬryptoLocker, an encrypting Trojan horse, occured from 5 September 2013 to late May 2014. The Trojan targeted computers running Microsoft Windows, propagating via infected email attachments and via an existing Gameover ZeuS botnet. #Krebs group ransomwhere 32m pagetechcrunch windows.#Krebs group ransomwhere 32m pagetechcrunch how to.
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