[Corday]

What you changed should have stopped now intrusions. Manually delete videos you don't want, including in your backup(s).

 

[Corday]

Read this: Malware Removal Help Posting Instructions then post in: Virus/Trojan/Spyware Help

 

[Corday]

I have also thoroughly scanned for viruses using Bitdefender and it told me I have nothing on my devices.

That's not sufficient.