Maltese-flagged vessel is on route carrying Russian diesel to American ports (twitter.com)

AGIOI FANENDES, the vessel in question, is off the coast of Scotland now, heading westwards (266° heading) with around 8 knots speed.

Ref: https://www.marinetraffic.com/en/ais/details/ships/shipid:58...

Not sure from where they have the scoop that it's not full steaming to Brazil