Win32:Adware-Dna [Adw] is a type of adware that infects computers by displaying unwanted advertisements and pop-up windows. It can also track user browsing habits and collect personal information without consent. This adware typically spreads through software bundling, where it is included in free software downloads or updates. Once installed on a computer, Win32:Adware-Dna [Adw] can be difficult to remove and may require the use of specialized anti-malware tools. It is important to be cautious when downloading software from the internet and to always read the terms and conditions before installing any program to avoid adware infections.