The malware uses the following icons to disguise its EXE files as PDF and RAR executables. The attacker then sends malicious code to the target via email, tricking the victim into executing it. In this way, an attack is successfully launched via social engineering.
Since May 12, 2017, WannaCry has spread on a massive scale around the world, causing significant impacts. Therefore, security firms start to analyze and prevent the spread of this ransomware. Technical personnel of NSFOCUS also analyzed the sample immediately and released a detailed analysis report.