adware

since the last update, i ve got problem with my anti virus programm. The programm found an adware, call ADWAR/Elex.ihgri. i deinstall mincraft und all datas from pc  after 2 virus scanns ,i´m install launcher and game, run it installing the snapshot, and me Antivirusprogam show  a Found ADWARE/Elex.ihgri

file path:.minecraft\libraries\org\lwjgl\lwjgl-jemalloc\3.2.1

file name: jemalloc32.dll

sry for my bad english