A type of virus that infect computers, and then prevent the user from accessing the operating system, or encrypts all the data stored on the computer,
The user asks the ransom to pay a fixed amount of money, as opposed to decrypting files or allowing access again to the operating system.

 

Wanna Cry Ransomware Guidelines to stay safe :

 

 

MS17-010 Update for Windows 8.1

The first option is for 64bit system and another option for 32bit system
MS17-010 Update for Windows 10

The first option is a 32bit system and a second option for a 64bit system
Update link for MS17-010 for Windows 7 and Server 2008

Choose the first 64bit system choice or the second 32bit option.
Links Update for MS17-010 for Windows XP and Server2003 and 8