When in doubt, remember: the official AnyDesk executable is always named AnyDesk.exe (or AnyDesk.msi for the installer). Any significant deviation—including anydesk542exe —should be treated with suspicion until proven otherwise.
The file anydesk542.exe refers to the Windows installer for version 5.4.2. This version focused primarily on stabilizing the user experience through minor bug fixes following larger feature updates in the 5.x branch. December 19, 2019. File Size: Approximately 2.9 MB to 3.15 MB. anydesk542exe
To minimize risks when using remote access tools: When in doubt, remember: the official AnyDesk executable