Once open, look for these common file types to understand what "Niceview2" is:
: Right-click the extracted folder and run a scan with your installed antivirus. Niceview2.rar
: Use a tool like 7-Zip (free and open source) or WinRAR . Once open, look for these common file types
: It may just be a collection of high-resolution wallpapers . Niceview2.rar