A large-scale ransomware attack reported to be caused by a variant of the Petya ransomware is currently hitting various users, particularly in Europe. This variant, which Trend Micro already detects as RANSOM_PETYA.SMA, is known to use both the EternalBlue exploit and the PsExec tool as infection vectors.
Post from: Trendlabs Security Intelligence Blog - by Trend Micro
Large-Scale Petya Ransomware Attack In Progress, Hits Europe Hard