wpfgfx_v0400.dll false positive with SEP 14.2.760 24.07.2018 defs Win8.1 July updates

wpfgfx_v0400.dll false positive with SEP 14.2.760 24.07.2018 defs Win8.1 July updates

TROJAN.GEN.NP2 Cleaned by deletion  on 5 computers all with Wndows 8.1 Enterprise

Until now I dont't have allerts from Windows 7 or Windows 10 computers

C:\Windows\WinSxS\x86_netfx4-wpfgfx_b03f5f7f11d50a3a_4.0.9664.17161_none_aadf6268cce74b6f\wpfgfx_v0400.dll   

and

C:\Windows\WinSxS\x86_microsoft-windows-ucrt_31bf3856ad364e35_6.3.9600.18817_none_40af860e34de2c39\ucrtbase.dll