( CNN ) -- A man and woman pleaded guilty to participating in a Romania-based Internet car sales scam that cost U.S. victims more than $ 4 million , federal prosecutors said Friday . The scheme allegedly advertised nonexistent vehicles for sale on websites that included eBay Motors , AutoTrader , Yahoo Auto , edmunds.com and Cragslist . Corneliu Weikum , 38 , a Romanian national who lives in Germany , and Yulia Mishina-Heffron , 24 , of Russia , entered the pleas Thursday in Las Vegas , according to a statement from the U.S. Attorney for the Central District of California , which helped prosecute the case . The defendants forfeited more than $ 1.2 million in cash and agreed to pay restitution to the victims , prosecutors said . If a federal judge accepts the plea agreements , they will be sentenced December 21 . `` After negotiating with members of the conspiracy in Romania , victims of the scam were instructed to deposit the money for the cars into bank accounts established at the direction of Weikum and Mishina-Heffron , '' according to the statement . `` Associates withdrew the money and gave it to Weikum and Mishina-Heffron , who would then smuggle the money out of the United States in the form of cash and wire transfers . '' The pair pleaded guilty to two counts , one involving smuggling bulk cash out of the United States , the other involving a plot to commit bank and wire fraud . The agreements call for Weikum to receive a 97-month prison sentence , and Mishina-Heffron 70 months . The maximum statutory sentence is 35 years ' imprisonment . According to prosecutors , more than $ 1 million was seized in October 2009 from Weikum 's luggage at McCarran International Airport in Las Vegas . In March 2010 , officers found $ 20,000 stuffed into stereo speakers Mishina-Heffron attempted to ship to Germany , the statement said .
Scheme operated out of Romania , federal prosecutors say . It offered nonexistent autos for sale on websites . Man , woman plead guilty .