Browser hijacking happens when unauthorized software on an internet browser affects the browser’s activity. Web browsers act as a “window” to the internet, allowing users to search for and view information, as well as interact with it.
Browser hijacking seems to be on the rise around the world, and it can be both frustrating and dangerous at times. This blog post included all you need to know about browser hijacking, how it works, and how to avoid it. Keep on reading and stay safe!
Table of Contents
What is Browser Hijacking?
Browser hijacking is the process by which a malicious program alters the default homepage or search engine in your web browser without your consent. The victim can detect that the affected changes are irrevocable, and a security tool must be used to counter this form of program.
Although it is not considered a severe threat to overall system safety, it must be handled as quickly as possible because it affects web browsing. The person who commits browser hijacking is called a browser hijacker.
What can a Browser Hijacker Do?
After hijacking a browser, the malicious attacker will adjust your settings to do one or more of the following:
- Provide you with a variety of malvertising popups and advertisements.
- Insert malware into browsers to collect your information. User IDs, passwords, full names, addresses, social security numbers, and other information could be included in the data.
- Spy on you.
- Create new Toolbars, Bookmarks, and Favorites.
- Change the homepage of your browser. It may, for example, switch your default homepage from Google to another search engine.
But it doesn’t end there. It won’t even let you update your settings because it keeps reverting to its own default setup. In other words, it will continue to change your browser’s homepage until you give up and admit the hijacker’s new homepage.
Browser hijacking is a less severe sort of malware infection when compared to other types of malware attacks. The majority of browser hijacking malware is not intended to attack or steal your files. Instead, the creators of the malicious code attempt to profit from you by either feeding you advertisements, redirecting you to a certain page, or, as in the preceding example, placing different unnecessary toolbars and other applications on your device.
Other types of browser hijackers, on the other hand, may operate as “gateways” for more severe attacks, such as ransomware, keyloggers, or even botnet malware that can hijack your computer.
Symptoms of Browser Hijacking
Browser hijackers, in general, make it impossible to use your browser regularly and can expose your computer to several other viruses. However, if you know what to look for, the majority of hijackers are easily noticeable.
Strange Homepage and URL Redirection
Discovering that your homepage has been reset is one of the most common indications of browser hijacking. If your browser opens to an unusual website, especially one that is pornographic or advertises fake security software, it is almost certainly the work of a hijacker. If you input a URL only to be redirected to a website that is not the one you wanted to visit, this is also a symptom of hijacker infection.
Unavoidable popups
Popup windows may appear to be nothing more than an annoyance, but the truth is that popups are a preferred method for the transfer of the virus for browser hijackers. Hijacked browsers generally show large amounts of popup adverts, allowing hijackers to deactivate your browser’s popup blocker. The main goal of these popup advertisements is to trick you into clicking on one of the links and installing dangerous programs or redirecting you to pirate websites.
Fake security alerts
The fake security alert is another sign of browser hijacking. If a message appears on your browser or desktop stating that your computer has been hacked or that your security has been disrupted, carefully read the message before clicking on any links. If the message comes from an application you did not install, it is most likely the work of a hijacker. Because these messages are meant to imitate real system alerts, keep an eye out for any differences (colors that vary from your desktop color scheme, spelling errors, etc).
As with most things, the more you explore and understand browser hijacking, the better you’ll become at spotting the symptoms and taking action.
5 Tips to Prevent Browser Hijacking
The following are the tips to prevent browser hijacking:
Keep your operating system (OS) and browser patches up to date
Keeping the operating system and browser software up to date with all of the latest security features will help prevent hijacking attacks since hijackers hunt for any vulnerability in the operating system and browser that they can exploit. Running a software update can contribute to the closure of these points of entry.
JavaScript should be disabled in the browser
JavaScript can reveal sensitive information such as IP addresses and install other scripts without the user’s knowledge or permission. As a result, disable or enable JavaScript by default in the browser, and use the ScriptBlock extension for Chrome and the NoScript plugin for Firefox to do so on a per-site basis.
Avoid clicking on suspicious links
Users should never click on email links, text messages, or pop-up boxes from unknown senders since they may allow browser hijackers to be downloaded.
Be careful when downloading software
Some browser hijacking software is included with legitimate software, thus before downloading any software, users should read all terms and conditions and end-user licensing agreements.
Use antivirus software
Installing strong antivirus software and keeping it up to speed with the latest patches will help protect against browser hijacking. Some antivirus software provides real-time protection, notifying the user if the downloaded program attempts to change browser settings. Some antivirus software allows the user to prevent certain changes from happening.
Conclusion
Whatever strategy users take to protect themselves, the strongest defense begins with the regular operating system and browser upgrades, as well as smart due diligence when visiting websites.
