McDonalds will be back. They're actually sponsoring Russia, in that they will continue to pay salaries to laid-off workers (who are free to work for competitors in the meantime).
Losing Paypal actually hurts in the short-term because there are no alternatives for overseas payments. No one ever used Paypal domestically except Putin's #1 enemy Navalny, and Paypal halted domestic payments due to lack of demand a while ago, before the war special operation. Russia has insanely high plastic card adoption with zero/negligible fees and free private transfers and no checking culture at all, so Paypal was only ever a plastic card interface.
There are many more Ws. Coca-Cola, PepsiCo, Netflix, Starbucks, L'Oreal, Estee Lauder, LVMH, some streaming licensing shit, Apple of course, KFC and Pizza Hut (scope unclear), dick sucking lip implants, H&M, PVH and Inditex (Mango, Massimo Dutti, Pull & Bear, Uterqüe, Oysho, Zara, Stradivarius, Bershka, Calvin Klein, Tommy Hilfiger), Kering (Balenciaga, Gucci), Levi's, (I'm copypasting this, I think it's all clothes), Puma, Abibas, Procter and Gamble (with caveats), Unilever halts imports and ads (continues domestic production), racketeers E&Y and Fitch, Fazer (child trooning/grooming propaganda sponsor), Airbnb, Booking.com (domestic travel extortionist; I'm very happy about this), Michelin (restaurant reviewer), Microsoft, Adobe, a shitton of easily piratable vidya; rutracker is unblocked.