The US uses its so-called SDN list which in general prevents the person having a bank account in any western country. It also caused Microsoft to kill off the email account (I believe the full azure services - ie. Active Directory - rendering his work computer useless) of a prosecutor at the international criminal court:
https://www.politico.eu/article/microsoft-did-not-cut-servic...
Microsoft didn’t cut services to International Criminal Court, its president says
Chief prosecutor’s email issues have spurred fears in Europe that Trump could trigger a “kill switch” through U.S. tech giants abroad.
...
A Microsoft spokesperson said that it had been in contact with the court since February “throughout the process that resulted in the disconnection of its sanctioned official from Microsoft services.” The spokesperson added that “at no point did Microsoft cease or suspend its services to the ICC.”
To be fair, under US law Microsoft doesn’t have much choice either. Companies operating under US law inherit the untrustworthiness that comes with this.
There is a book "Autocracy Inc." about this curious, somewhat recent phenomenon of autocrats everywhere supporting each other. It's like autocracy itself is more important to them than their countries' interests.