Although Tumblr is now cleaning-up webpages which were suffering from modern worms.
It seems to be that the earthworms took benefits of Tumblr’s reblogging function, significance that anyone who was signed into Tumblr would instantly reblog the contagious publish if they frequented one of the annoying webpages.
Each impacted publish had some harmful value included within them:
This value describes why some customers saw a pop-up concept, apparently arriving from Tumblr:
If you were not signed into Tumblr when your web browser frequented the url, it would simply divert you to the conventional sign in web page. However, if your pc was signed into Tumblr, it would outcome in the GNAA material being reblogged on your own Tumblr.