Hermes837 virus redirect virus may be responsible for the changed browser's settings, and it could have entered together with freeware. The threat was probably adjoined to a freeware as an extra item, and since you did not deselect it, it installed. If you do not want these types of threats to inhabit your computer, be cautious about what type of programs you install. While hijackers are not categorized as harmful themselves, their behavior is quite questionable. Your browser's homepage and new tabs will be altered, and a strange website will load instead of your usual web page. Your search engine will also be different, and it could insert sponsored links into results. This is done so that the browser hijacker may reroute you to sponsored sites, and the site owners can make revenue from traffic and adverts. Not all of those redirects will lead to safe websites, so you could end up in a malware ridden-site and accidentally get a malware. If you infected your machine with malicious software, the situation would be much worse. So that users see them as useful, redirect viruses try to seem very helpful but the reality is, they're replaceable with proper extensions which would not reroute you. Redirect viruses are also known to follow users as they browse, gathering information, so that they could make more personalized advertisements. That data might also end up in questionable third-party hands. Therefore, remove Hermes837 virus, before it can do any damage.
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