[SunlitCat]

Yeah that one! I wonder when the first installer comes around patching known versions of Firefox to accept unsigned addons to dump their awesome toolbar onto the user. (Or just outright overwrite the users Firefox with an own version of Firefox, not including said check)

[megous]

It's (was) implemented in omni.ja. I was patching it in the past, until they started signing that too. Bleh.