Browser hijacking: How to identify and prevent it?

Grayson Rodriguez

Sep 5, 2023 | 5 min read

Online threats

Overview

Browser hijacking , also known as browser redirect virus , is a type of malicious software that can modify a web browser's settings without the user's knowledge and then redirect the user to malicious websites. For example, hijackers may change the user's default search engine to a new one.

What are the symptoms of browser hijacking?

What are the risks of browser hijacking?

How to remove and prevent browser hijacking?

Why use MetroVPN for online privacy protection?

What are the symptoms of browser hijacking?

Browser hijacking is a form of cyberattack that alters a user's online experience by modifying browser settings or installing malicious software. Browser hijacking may lead to the following symptoms:

① The browser homepage is replaced with an unfamiliar website, or homepage settings cannot be changed.

② The browser's search engine is changed to an untrusted provider, or search results are injected with ads or malicious links.

③ Browser toolbars or extensions are added or removed without consent, or unwanted pop-ups and notifications appear.

④ The browser's performance slows down, or frequent crashes and errors occur.

⑤ Websites visited in the browser are redirected to unrelated or dangerous sites.

What are the risks of browser hijacking?

① Personal Information Theft

Browser hijacking can potentially steal personal information such as account credentials, passwords, and credit card numbers, leading to financial loss or identity theft.

② Monitoring Online Activities

Browser hijacking may monitor a user's online activities, including browsing history, search records, shopping preferences, which can invade privacy or lead to targeted marketing.

③ Malware

Browser hijacking may download additional malware, such as viruses, trojans, ransomware, compromising device security and data integrity.

④ Botnet Participation

Browser hijacking may utilize a user's device as part of a botnet, participating in larger-scale cyberattacks or criminal activities.

How to remove and prevent browser hijacking?

Methods to remove and prevent browser hijacking include:

① Update Software

Check and update the browser and operating system to patch known vulnerabilities and flaws.

② Reliable Antivirus and Firewall

Scan and remove malware from the device using reliable antivirus and firewall software.

③ Reset the Browser

Reset browser settings to restore default homepage, search engine, and extensions.

④ Avoid Suspicious Links or Attachments

A void clicking on links or downloading software from untrusted sources or emails.

⑤ Review and Remove Toolbars or Extensions

Review and remove unnecessary browser toolbars or extensions, especially those automatically installed without permission.

Why use MetroVPN for online privacy protection?

Browser hijacking is just one of the cybersecurity threats when browsing online, and there are numerous other risks to consider. For instance, hackers may steal your traffic, identity, and passwords when using public Wi-Fi; governments or ISPs may monitor your online activities and communications; and some websites or services may restrict access based on your geographic location.

To protect your online privacy and freedom, you need to use MetroVPN . MetroVPN is an excellent VPN service that offers the following benefits: