1.The wanna cry Ransomware Attack is considered to be the one of the biggest cyber attack which took place in the month of may 2017.
2.which has mainly targeted over the computers running on windows operating systems.This attack took place in more than 150 countries .
3.More than 2,30,000 systems were infected with this wanna cry virus.
4.when the system is infected with the wanna cry virus all the data in the system will be encrypted (system data will be in hackers hand)and when the data in the system get encrypted the systems shows the following screen as shown below:
5.when the system is encrypted the hackers will be asking for some ransomware so in this case the hackers have demanded around $300 and $600 and the payment is only done though bitcoin .
5.what is bitcoin?
bitcoin is a cryptocurrency and digital payment system which is peer to peer transaction without any middle administration .In this the transaction are done using bitcoin instead of money and at present the value of one bitcoin is 29,835 rupees.so by using bitcoin transactions we can find any identity of the particular holder.so most of the hackers ask to pay money as ransomware using bitcoin.
6.The wannacry virus is mainly propagated by two tools they are eternal blue and double pulsar .These are the two tools which are stolen by the hacker group called “the shadow brokers” from NSA national security agency.
7.A kill switch against this virus is made by a 22 years old hacker this kill switch had slowed down the wannacry virus all around the world.
8.The 22 year old hacker had just gone through entire code and he just found in the URL that the domain name had not registered and he resisted the domain name just for $10 and he had made a kill switch against the wannacry virus.
by :BALA SUKUMAR REDDY