What to do, Virus changes word files to ~$.....?

Question

Malware

Good afternoon!
Such a problem, on the file storage, some virus changes word files to ~$file_name.
The server has an antivirus, the databases are up to date. OS Windows Server 2016.
On some clients there may be problems with antivirus (old version, not up -to
-date databases) Has anyone encountered this? is this treated? And can the files be recovered?

Answer 1

It's not a virus. When opening a file through MS Office, such temporary files are created.