Following the end of the war, Masherov turned to politics within the Komsomol; from July 1944 he served as First Secretary of both the Molodechno and Minsk regions, and in October 1947, Masherov was declared First Secretary of the Komsomol of the Byelorussian SSR. According to the memoirs of Vladimir Velichko, who served as personal assistant to Masherov in the 1970s, Masherov participated both in the reconstruction of Molodechno and in campaigns against the cursed soldiers of the Polish Home Army.