This is part of the Installmatic installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The file popservice3.exe by Installmatic has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Installmatic Setup installer. While running, it connects to the Internet address unallocated.barefruit.co.uk on port 8888.