Ie3wisa4.com virus is a redirect virus that will modify your browser's settings without getting your explicit authorization first. You probably installed some kind of free software recently, and it came together with a redirect virus. It is essential that you are vigilant during application installation because otherwise, these kinds of infections will install all the time. Ie3wisa4.com virus isn't a high-level infection but the way it behaves will get on your nerves. Your browser's home website and new tabs will be modified, and a different web page will load instead of your normal web page. You'll also have a different search engine and it could insert sponsored links into results. If you click on such a result, you will be led to strange sites, whose owners are attempting to earn money from traffic. Some of those reroutes may redirect to insecure web pages, so you could accidentally get a malware. And malware could be much more severe compared to this. In order for users to find them useful, hijackers pretend to have handy features but the reality is, you could easily replace them with reliable plug-ins which would not reroute you. You might come across more personalized sponsored content in the results, and it is because the hijacker is tracking what you search for, collecting information about your activity. Dubious third-parties might also be capable of accessing that info. If you want to prevent it affecting your device further, you should promptly uninstall Ie3wisa4.com virus.
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