Malignance

A creature that appeared some time after the virus struck. Haunting the wastes it infects any who cross it's path with a plague of knowledge, their minds will be assailed by a non-stop torrent of information. Knowledge that becomes malignant and cancerous, destroying the afflicted's brain until they drop dead, at which point it consumes the corpse. While the victim's still alive and infected, the creature feeds psychically on their pain and agony.