This is a distribution host for a number of Adknowledge installers including (Fusion Installer, Wrap Installer, Premium Instal, Optimum Installer and many others). The installers are bundled download managers that include adware/ad-supported offers. The domain pn-installer4.com is registered by proxy through TUCOWS DOMAINS INC. and was originally registered in August of 2013. This domain has been seen distributing various forms of adware (some being very aggressive) directly or via bundled installations. The hosted servers are located in Ashburn, Virginia within the United States which resides on the Amazon Technologies Inc. network. The domain uses the Amazon Web Services (AWS) cloud computing platform. The domain is associated with the publisher Adknowledge.