Studying problem of disinformation psychology mechanisms (manipulation of in- formation process), including developing in social psychology way — psychology ma- nipulation in social and mass media. Pay attention such psychology effects as mo- tivated reasoning, that confirms preexisting beliefs, normative influence, homophily, polarization (echo-cameras), negative collective emotions. There are not only theoreti- cal discussion, but also Russian and foreigner psychology, sociology, politology, PR and marketing researches. The ways for counteracting online astroturfing are discussed. Also there are still many psychological factors to be clarified with regard enhanced informal-psychology protection identity, such as, connection between attitude toward disinformation and values, trust, anxiety, social identities and level of social capital.