Doppelganger (disinformation campaign)
Doppelgänger is a Russian disinformation campaign established in 2022 by Russian IT firm Social Design Agency (SDA). It has targeted Ukraine, Germany, France, and the United States, with the aim of undermining support for Ukraine in Russia's invasion of the country.
Source: Wikipedia — Doppelganger (disinformation campaign) (CC BY-SA 4.0)