Process for utilizing the disinfectant composition as a virucidal agent. The disinfectant composition includes:(a) an amine and/or quaternary ammonium salt of the general formula:where R1 is C6-8-alkyl,R2 is benzyl or C6-18-alkyl,R3 is C1-18-alkyl or —[(CH2)2—O]nR6 where n=1-20,R4 and R5 independently of one another are C1-4-alkyl,R6 is hydrogen or unsubstituted or substituted phenyl, andA− is a monovalent anion or one equivalent of a polyvalent anion of an inorganic or organic acid； and(b) at least one alkanolamine of the general formula:where n and, if present, m and o independently of one another have the value 2 or 3, and x and y independently of one another have the value 0 or 1, or a corresponding salt；in the mass ratio of (a) to ( )b) of 20:1 to 1:20.
