LeagueOfLegendsAccountChecker-v1 is a software product for Windows developed by FiftyThreeCorp
It is reported that the following Windows processes are part of LeagueOfLegendsAccountChecker-v1:
If you want to remove LeagueOfLegendsAccountChecker-v1 from your computer, just go to Start > Control Panel > Add/Remove programs and select LeagueOfLegendsAccountChecker-v1 from the list of programs.