"According to the findings, a person who is probably involved in the murder of the young man in Vostryakovsky bystreet last Thursday is Azerbaijani native Orkhan Zeinalov," the press service of Moscow police said on Tuesday.
"Search and investigative actions for the detention of the suspected killer are underway," it added.
The killing of 25-year-old Shcherbakov led to riots on last Sunday in Moscow's southern residential district of Zapadnoye Biryulevo.
More than 300 people were arrested following the riots
Local people protested against what they called the inefficient preventive measures of the law enforcement agencies and the growth of crime rate among migrants.
Hundreds of people were arrested following the riots. The unrest also lead to a ugly political fight that demanded the resignation of the city's police chief.