Google says its product is not to blame but, despite that, the company appears to have found a way to stop the attack.

The hackers, who wish to remain anonymous, say they have located more than 100,000 smart TV devices that are open to this type of cyber-attack.

They created a website to "live track" their stunt. The website also boasts that more than 8,000 Chromecast devices had their name changed to 'Hacked_sub2pewds_#'.

Victims have taken to social media platforms to report the problem. One Reddit user posted: "Every 20 minutes or so my TV switches to some crappy YouTube video about PewDiePie… Anyone know how to stop this, it's driving me bonkers."

The video message displayed on TVs reads: "Your Chromecast/Smart TV is exposed to the public internet and is exposing sensitive information about you!" It then encourages victims to visit a web address before finishing up with, "you should also subscribe to PewDiePie".

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