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Two years ago on the 12th of May 2017, the now infamous WannaCry ransomware attack struck IT systems in 150 countries around the world. Affecting around 200,000 computers across a diverse range of sectors, from Spain’s telecoms sector to commercial websites and schools, the malware encrypted users’ files and then demanded a ransom, causing unprecedented havoc. While this caused real concern around the world, the National Health Service [NHS] in the United Kingdom came to a st

Update (June 28 – 15:00 CEST): ESET researchers have confirmed that further affected systems had access to Ukraine networks through VPN. Presently, it has not been seen in the malware a functionality to spread outside of the LAN network. Update Jun 27 – 23.34 CEST: Shutting down the computer and not booting again could prevent the disk encryption, though several files can be already encrypted after the MBR is replaced and further infection through the network is attempted. Up

In the wake of the initial WannaCry ransomware attack on May 12, we’ll be publishing news and updates. Here’s the latest: As mentioned in a previous blog post, ESET detects and blocks the WannaCryptor.D threat and its variants. ESET currently detects ransomware behavior as FileCoder, and all ESET products provide multiple layers of technologies to protect computers from this infection. Take these steps now We strongly recommend using the following best practices for enhanced