This kind of malware and adware are complex threats in terms of detection and extermination. The removal of audio ads playing in background requires some special method to be applied. Sometimes the Audio ads, voice advertisements or audio commercials will even play if you don’t use any browser, the most common cause is a rootkit infection or other malware. If you hear Audio ads when using your browser like Internet Explorer, Mozilla Firefox or Google Chrome or you hear random ads playing in background without any open window or browser, then it is possible that you have installed a malicious plug-in that will play audio ads in the background. Malware and adware which plays audio advertisements, voice advertisements or audio commercials is nothing new.