MOSCOW, Russia dismantled its largest oil producer, Yukos, on Sunday by auctioning off the company's largest subsidiary to a little-known concern that registered as a last-minute bidder on Friday. Gazprom, the country's natural gas monopoly and the Kremlin-favored front-runner to buy the Yukos property, did not even make a bid.The mystery surrounding the winner - a company called the Baikal Finans Group that is registered in Tver, a medium-size city 170 miles northwest of Moscow - immediately raised suspicion among industry analysts. Advertisement An analyst, Christopher Weafer, the equity strategist at Alfa Bank, remarked after the auction results that "the...