This is kind of sketchy, but they seem to be saying he first was moved from Ecuadorian Embassy in London to the Ecuadorian Consulate in a separate part of London (see map), and then was somehow placed on an Aeroflot flight to Moscow?

Map:

First tweet, which incongruously shows images from Google Earth, which could not be showing Assange, but perhaps are just to show the Consulate??

Assange surreptitious getaway from EC Consulate in London (smuggled from embassy)
51°31'49.39" N 0°07'01.46" W pic.twitter.com/RKbWhpw3wY

— Cryptome (@Cryptomeorg) October 22, 2016

The second tweet, in response to another tweet, mentioning the Aeroflot flight:

@spyblog Was not is, Signals Harrison Aerofloting to Moscow.

— Cryptome (@Cryptomeorg) October 22, 2016