Massive botnet 'indestructible'
www.computerworld.com/s/article/9218034/Massive_botnet_indestructible_say_researchers?pageNumber=1
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
"TDL-4," the name for both the bot Trojan that infects machines and the ensuing collection of compromised computers, is "the most sophisticated threat today," said Kaspersky Labs researcher Sergey Golovanov in a detailed analysis Monday.