Why does 0.5.7 version reported as Infected Generik.LFMJJLS trojan while 0.5.1 is reported as clear ?

e54d285646180dec259631e2e116cefd *t-rex-0.5.7-win-cuda9.1.zip
5ed6c6cdd2569893b83c2ce9d62dee57 *t-rex-0.5.1-win-cuda9.1.zip