avD.exe is a legitimate file, which belongs to All Video Downloader. This executable file is mostly used to launch a program or start some of its components. If you don't want to have problems that are related to performance of this program, you should never terminate avD.exe. However, it's not an essential part of the system that cannot be eliminated. If you think that this file is slowing your computer or causing other issues on it, you can get rid of avD.exe.
Any program can be named anything. So, there is no surprize why scammers started using names of legitimate files and got ability to prevent their elimination. According to the latest warnings, avD.exe file can be installed and used by SpyLocker and other cyber threats that may be used for a wide list of malicious activities. In order to make sure that your avD.exe version is safe, you should examine it with RegCure Pro.