dredrewlaha.info will alter your browser's settings which is why it is categorized as a browser hijacker. The threat was most likely attached to a free software as an extra item, and because you did not untick it, it installed. It is essential that you are careful during program installation because otherwise, you won't be able to avoid these kinds of infections. Browser hijackers aren't considered to be malicious but their behavior does raise a few questions. Your browser's homepage and new tabs will be altered, and a different site will load instead of your usual site. Your search engine will also be changed, and it might insert sponsored content among the real results. This is done so that the redirect virus could redirect you to sponsored sites, and the owners of those web pages can make profit from traffic and advertisements. Do bear in mind that some of those redirects might lead to infected pages, which might result in a malware contamination. If you got malicious program, the situation would be much worse. You may find the browser hijacker's supplied features helpful but you need to know that you can find trustworthy add-ons with the same features, which do not harm your PC. You might encounter more content you would be interested in, and it is because the redirect virus is following what you search for, collecting data about what you're interested in. That info can also fall into questionable third-party hands. If you want to prevent unpleasant consequences, you should promptly remove dredrewlaha.info.
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