ads keep loading all the time! Help

[lotuzzdiabetes]

Hi there , there is a manga website i like to read manga at lately they added a black box which keep refreshing all the time and increasing the load on my PC while i reading also it's made firefox to crash in many occasions due lake memory space, i guess its using my pc to visit another websites or something, tried to block it but didn't succeeded so far.

[mapx]

What are you doing ? copying the same issue ?
forum/viewtopic.php?p=173947#p173947