The term “ad” has both positive and negative connotations. It is common knowledge that sponsored information on the Internet allows numerous useful services to be and stay free to use. Powerful search engines, free mail providers and tons of other important resources are ad-supported, which is something that people have gotten accustomed to. However, in this case certain guidelines govern the way ads are presented to content viewers so that user experience doesn’t get affected. It’s all totally upside down in the adware world, where intrusive applications can display redundant and definitely obnoxious advertisements on a specific computer they are installed to.
The fact of the matter is different adware objects can act differently. Some of them modify web browser preferences in order to recurrently generate unwanted traffic to sites called “landing pages”. Other samples, like the app called UniDeals, don’t indulge in redirect activity, but instead attain their corrupt objectives by inserting ads right into web pages visited from the PC. The makers of the above-mentioned bug deliver their code into a computer by attaching it to third-party installs. There are quite a few programs, free ones usually, which promote this drive-by. For instance, dubious tools like EZ Downloader, Prompt Downloader and Data File Host will most likely be accompanied by the installer of UniDeals. This type of coherence tends to be covert so that people fail to notice the alien entity getting in.
UniDeals browser extension, when inside a system, displays ads in sites visited from Chrome, Firefox and IE. Those are in-text sponsored links, different coupons, price comparisons, deals and the like. The ads can be so intrusive that you might find it difficult to read text and view images on web pages normally. This won’t stop until UniDeals adware gets removed from the machine, which implies that a specific sequence of measures is adopted in a certain order described on experts-run web resources. More info and removal tips can be found here.