75,0000 attacks have been recorded on Windows systems across 99 countries on Friday May 12, 2017. Windows systems that were not patched with Windows March updates are susceptible to this attack. This attack is spread through the EternalBlue vulnerability.
This attack locks the infected computer and asks for ransom to unlock. The ransom payment window is of six hours and it increases with every hour.
CDSBureau recommends to update the Windows operating system based machines as soon as possible to avoid this attack.