De acordo com os fóruns de produtos do Google, O que é LsiHelper 1.1? , é malware:
I noticed the reference to "Enterprise Policy". This is malware. See Here
Esse link descreve o malware usando a extensão "Instalado pela política corporativa":
The “Installed by enterprise policy” extension are usually adware programs that displays pop-up ads, advertisement banners and sponsored links within Google Chrome. Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed the malicious “Installed by enterprise policy” extension without your knowledge.
Em seguida, são seguidas por essas dicas de remoção:
To remove “Installed by enterprise policy” extension from Google Chrome, follow any of these options: