What is Icon Tool?
Icon Tool allows users to change icons for their Applications with a simple and easy to use drag-and-drop interface. Also, Icon Tool backs up the users' original icon in case the user would like to revert back their changes.
The software is bundled with adware according to IKARUS anti.virus: https://www.virustotal.com/en/file/3047deede929d7ad7fcf92856a205c7dbb78e00f7fc3b4d22884a35cfd24776a/analysis/1487870858/
Icon Tool Screenshots
Icon Tool information