ewidoguard.exe is not spyware or malware. This file, and Ewido Security Suite are known to be legitimate files.

Spyware and malware can infect your computer very easily, even if you only surf the internet. The fact that this file is not adware doesn't mean your computer is not infected.

The best way to avoid problems with spyware and other types of spyware is to scan your computer for free and get rid of all the virus files right now.