There were 44 Russians, eight Ukrainians, two Indians and one Uzbek national among the 55 passengers onboard the crashed plane. The seven crew members were from Russia, Cyprus, Spain, the Seashells, Columbia and Kyrgyzstan.
"The self-recording devices we have received, have severe mechanical damages," the statement reads.
The statement added that IAC specialists in cooperation with the specialists from France and the United Arab Emirates had already started the preparations for the analysis of the information recorded by the black boxes.
Investigators earlier found the crashed plane's first and second flight data recorders, and its first voice recorder.
The Investigative Committee presented three versions of the cause of the tragedy: a technical fault, severe weather conditions and human error.