I don't think you can compare Yanukovych to Ceausescu. It was a different time, different place, different form of government, different form of economy, You are letting yourself be blinded by your experience under Russian Communism.

Here is an article you should read:

https://nationalinterest.org/commentary/ukraine-why-yanukovych-said-no-europe-9453

"Impelled by the desire for greater access to the European market, Ukraine did take a number of steps to bring its institutions into closer conformity with EU standards, but the Rada (parliament) balked this week at passing the last set of bills that would be needed to bring Ukraine into compliance with the EU—including the one concerning Tymoshenko's ability to go abroad for medical care."

"Ukraine's push to secure greater energy independence for itself by developing indigenous oil and natural gas projects will not bear fruit for a number of years, and the country remains dependent on Russia for low-cost supplies of energy. On Friday, Ukraine's prime minister Mykola Azarov bluntly told lawmakers in the Rada that Ukraine could not, at this point, afford an economic rupture with Moscow. "What will be our compensation for the huge losses from losing the Customs Union market, what, I am asking you? Unfortunately, we did not receive a realistic answer to this question."