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 popdeals4.exe, “Windows PDLs Application” 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. It is also typically executed from the user's temporary directory.