Try unplugging it or doing a reset to new conditions see if it is better. If not you may need a new router but it had nothing to do with an "attack". Data does not "back up" except during a transfer etc. Once that stops it stops and is NOT STORED in your router!
If the power company cuts power to you do your lights still work until you clear out the electrons?
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.