Btw, this is what Malwarebytes shows in the log:
Registry Key: 2
PUP.Optional.IFEO, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\STEAM.EXE, No Action By User, 6789, 239347, 1.0.20686, , ame,
PUP.Optional.IFEO, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\STEAM.EXE, No Action By User, 6789, 239347, 1.0.20686, , ame,
Registry Value: 2
PUP.Optional.IFEO, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\STEAM.EXE|DEBUGGER, No Action By User, 6789, 239347, 1.0.20686, , ame,
PUP.Optional.IFEO, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\STEAM.EXE|DEBUGGER, No Action By User, 6789, 239347, 1.0.20686, , ame,