ehtray.exe is a legitimate process, which can also be called as “Microsoft Media Center Tray Bar Process”. This process belongs to Microsoft and helps for people to access the digital media manager. It can be found in C:\Windows folder and starts when Windows starts. In most of the cases, ehtray.exe takes from 64,512 bytes of PC's memory. However, this is a non-essential system process, so if you think that it slows down your computer or initiates other problems, you can disable it.
Any malware can be named anything, so ehtray.exe name may also be 'borrowed' by scammers in order to hide the presence of their own viruses. That's why you should always check file's location and make sure that it is not related to spyware, adware, or virus. If ehtray.exe is located in a subfolder of “C:\Documents and Settings”, you must check it with RegCure Pro or other reputable scanner.