1. Biocidal composition, including: 2,2-dibromomalonamide and a biocide oxidizing agent, including hypochlorous acid or its salt, monohalogenomethylhydantoin, dichlorodimethylhydantoin or dibromodimethylhydantoin. 2. The composition according to claim 1, where the mass ratio of 2,2-dibromomalonamide and the biocide oxidizing agent is from 16: 1 to 1: 8.3. The composition according to claim 1, where the biocide oxidizing agent comprises hypochlorous acid or its salt, and the mass ratio of 2,2-dibromomalonamide and hypochlorous acid or its salt is from 16: 1 to 1: 1.4. The composition of claim 1, wherein the biocide oxidizing agent comprises monohalohendimethylhydantoin and the weight ratio of 2,2-dibromomalonamide and monohalohendimethylhydantoin is from 1: 1 to 1: 4.5. The composition according to claim 1, where the biocide oxidizing agent includes dichlorodimethylhydantoin, and the mass ratio of 2,2-dibromomalonamide and dichlorodimethylhydantoin is from 16: 1 to 1: 2.6. The composition according to claim 1, where the biocide oxidizing agent includes dibromodimethylhydantoin, and the mass ratio of 2,2-dibromomalonamide and dibromodimethylhydantoin is from 16: 1 to 1: 8.7. The composition according to any one of claims 1 to 6, comprising the following materials: paint, coating, water emulsion, latex, adhesive, ink, pigment dispersion, technical detergent or household detergent, detergent, dishwashing detergent, mineral sludge, polymer emulsion, sealant, substance for adhesive tapes, disinfectant, antiseptic, metalworking fluid, building product, personal hygiene product, aqueous solution for textile production, lubricant for textile production wa, process water for industrial enterprises, water, pump�1. Биоцидная композиция, включающая: 2,2-диброммалонамид и биоцид-окислитель, включающий гипохлористую кислоту или ее соль, моногалогендиметилгидантоин, дихлордиметилгидантоин или дибромдиметилгидантоин.2. Композиция по п.1, где массовое соотношение 2,2-диброммалонамида
