The 14th of December 1993, the judge Eva Joly incarcerated him at the "Fleury-Mérogis" Prison, as part of a complaint for fraud filed by the leaders of UGC, Guy Verrecchia and Alain Sussfeld, following the takeover in June 1992 the company Cofragec. This company has been emptied of its assets, leaving a liability estimated at 172.6 million francs. Cyril de Rouvre had promised to repay this sum at the end of 1992 but at that time, he still had 100 million. On 5 May 1993, leaders of UGC have filed a complaint against him. He spent two months in prison.