It is a type of malicious software designed to block access to a computer system until a sum of money is paid.
A massive cyber attack has affected thousands of systems in last few days.
Most of the systems which are affected by this attack runs on Windows Operating System.
If your computer runs Windows, make sure your operating system is updated.
This attack has affected mainly businesses, institutions and hospitals.
You should take backup of your data.
Use genuine anti viruses. Don’t click on emails you don’t know. Change your passwords.
It can scramble your file names, so you can’t know which data was affected.
Attackers are asking for payment in Bitcoin.
Computers on Network are the most which are targeted.