Our 2 servers, file and exchange 2016, were infected by a ransomware.
I want your help to tell exactly what kind of ransome is that and if I can revert the encryption of my files.
"All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail firstname.lastname@example.org
Write this ID in the title of your message 9EF7A78C-1023
In case of no answer in 24 hours write us to this e-mail:email@example.com
If there is no response from our mail, you can install the Jabber client and write to us in support of firstname.lastname@example.org
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. "
How can I remove the ransom
ware and How cai I revert the files?