Sure looks like it. Vatican officials are downplaying the mysterious encounter (don't know why), but I'm not convinced it was simply a customary blessing. Satan is real, and his power is immense.
From the Associated Press:
VATICAN CITY (AP) — Is Pope Francis an exorcist?
The question has bubbled up ever since Francis laid his hands on the head of a young man in a wheelchair after celebrating Sunday Mass in St. Peter's Square. The young man heaved deeply a half-dozen times, shook, then slumped in his wheelchair as Francis prayed over him.
The television station of the Italian bishops' conference reported Monday that it had surveyed exorcists, who agreed there was "no doubt" that Francis either performed an exorcism or a prayer to free the man from the devil. ...