files extension .[[email protected]]

[mtzgraul 0]

all files on my server are encrypted with this extension, I have installed windows 2012 server

I attached an example of the archives

thank you very much

!ReadMe_How_To_Decrypt_Files!.rtf

0yPUdrx1-vueXQyJJ.[[email protected]]

[GT500 873]

There doesn't appear to be much information about this particular ransomware (it may be a new variant, or perhaps was misidentified due to lack of information):
https://id-ransomware.malwarehunterteam.com/identify.php?case=5f34ad84a98222c13f477b972ff7a070b3edf726

Let's try getting a log from FRST, and see if it shows us anything we can use. You can find instructions for downloading and running FRST at the following link:
https://helpdesk.emsisoft.com/Knowledgebase/Article/View/274/55/running-a-scan-with-frst