Malware
EvilGnome
According to Infosec Institute, EvilGnome presents itself to unwitting Linux users as a legitimate GNOME extension.
EvilGnome is a Linux malware family operated by Gamaredon Group.
Background
The Infosec Institute notes that EvilGnome disguises itself to unsuspecting Linux users as a genuine GNOME extension. Whereas real extensions add useful capabilities to Linux, EvilGnome instead turns to spying on its victims, offering surveillance features rarely seen in most Linux malware.
Source: Malpedia (Fraunhofer FKIE).