Abstract:

The article presents information about WannaCry, the network virus which made the global assault, quickly spreaded more than a storm, caused damages to billions of computers, which made it the most severe malware attack so far in 2017. Unlike other network malwares, WannaCry is a new type of ransomeware which demands the victim to pay for unfreezing the infected computer. This type of encrypted code of virus almost can not decrypted, except its creator. This article includes characteristics, damaging actions and some guide lines for computer users to protect their computers from WannaCry and other ransomwares