[Our Support; 2017-05-18]
While not technically a virus, the ebase.dll has been reported as related to a software classified as "PUA.WinZipper". This might result in your Antivirus removing related files, such as the ebase.dll .
To get rid of error message regarding missing ebase.dll, you have a few options.
Re-install "WinZipper" (Making sure your AntiVirus does not interfere)
Replace the missing file with a downloaded
Uninstall / remove the "Winzipper" software