PUA.DownloadAssistant is classified as a PUP (potentially unwanted program) that belong to the family of the adware. As it is a malicious adware program that once the system get infected result to put you into a big trouble. It usually comes along with bundled freeware program that along with carry other free programs and get install within the system without having the concern of the users. Though it is created with the main objective to infect and cause harms on to the victim computer and prevent you to further operate on to your system. On the other side it also add unknown programs like extension, toolbar, add-ons, plugin etc without your installed web browser without having the knowledge of the users. Further, it also capable for the alteration of the commonly used web browsers default setting including the browser existing home page too. Displays tons of irrelevant and annoying ads, pop-up, advertisement, offers, deals etc that appears on to system screen during the surfing of web. As it also put the system at a high risk and stop you from to operate on to it any more. Though the developers of this program easily make money from it by the use of the pay per click technique. To overcome from all such problems and to operate on to the system normally, you should remove PUA.DownloadAssistant completely from your computer.
PUA.DownloadAssistant is also responsible for the corruption of your all stored files, data, documents, text, folders etc and prevent you from to gain access on to it any more. Further, it also degrades the performance of the system and consumed bulk amount of the system resources too. As it also increase the traffic of web and pays extra loads on to it. So for the safety of the system you should immediate remove PUA.DownloadAssistant from your infected PC.