This is the SIEN AppScion Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. icudt46.dll is the International Components for Unicode (ICU) library provides portable, Unicode and Globalization support for software applications and is recompiled by SIEN S.A.. The module icudt.dll by SIEN S.A has been detected as a potentially unwanted program 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 SIEN SuperInstall installer. Although a detection has been made for this resource, it is generally a commonly distributed 3rd-party library and is typically safe by itself.