Adware means Advertisement and Malware.
Adware tracks a user’s browsing interest to decide which commercials to serve them. Although adware is much like spyware, it does now no longer set up any software program on a user’s computer, nor does it capture keystrokes.
The threat in spyware is the erosion of a user’s privacy the facts captured with the aid of using spyware is collated with facts captured, openly or covertly, approximately the user’s activity someplace else at the net and used to create a profile of that character which incorporates who their buddies are, what they’ve purchased, in which they’ve traveled, and more. That statistics may be shared or bought to advertisers with out the user’s consent.
In short they collected some information to you. Once they are on your computer.
Here is an example of adware but many more examples. We often see it on uncommon sites that are full of ads, there is also a website that automatically downloads our smartphone and browser once you have installed it? Hackers are already in your system. They will collect the cookies you visit on your website and personal info.
But according to malwarebytes
Here are a few typical telltale signs that you have adware on your system:
Advertisements appear in places they shouldn’t be.
Your web browser’s homepage has mysteriously changed without your permission.
Web pages that you typically visit are not displaying properly.
Website links redirect to sites different from what you expected.
Your web browser slows to a crawl.
New toolbars, extensions, or plugins suddenly populate your browser.
Your Mac starts automatically installing unwanted software applications.
Your browser crashes.
Hackers have many ways to get into your system. In advertising, if you do not know about them, you may just break your computer or smartphone without knowing the reason.
Just like "You won a Smartphone" or "Your android device detected malware please install". Just install a legit anti malware programs or anti-virus detection to get aid some hacking attempt.
hijackers change the homepage and default search settings. You’re happily surfing along when suddenly the ads start pummeling you. You might naturally assume that the ads originate from the site you’re visiting, but they aren’t. But since they appear in the form of pop-ups or pop-unders, they seem that they are embedded in the site itself.
Once again, there are adware programs that change your start page, your search engine, or even fiddle with the shortcuts on your computer that open your browsers. There is also, of course, different adware for different devices and operating systems. So you might have to cope with mobile/Android adware, Mac adware, or Windows adware.
-Malwarebytes
