When you download free software, video games, or media codecs from third-party websites, they often bundle hidden applications. If you click through the installation process using "Express" or "Quick" settings, you may inadvertently agree to install background utilities like Aivdsdosa.exe . 2. Malicious Ads (Malvertising)
Malicious programs often stash backup components inside hidden application folders. Clean these out: Aivdsdosa.exe