Qtr-search Malware: Introduction

Qtr-search is a potentially unwanted program (PUP) that falls under the category of browser hijackers. These types of malware are notorious for altering web browser settings without the user’s consent, redirecting searches, and bombarding users with unwanted advertisements. Qtr-search typically infiltrates systems bundled with free software downloads or through deceptive online advertisements.

Actions and Consequences of Qtr-search Malware

Once installed on a system, Qtr-search takes control of the affected web browser, usually Google Chrome, Mozilla Firefox, or Microsoft Edge. It modifies the browser’s homepage, default search engine, and new tab page settings to redirect users to its own search engine or other dubious websites.

The consequences of Qtr-search infection include:

1. Browser Redirects: Users are redirected to qtr-search.com or other unknown search engines when trying to perform searches.
2. Increased Advertising: Users may encounter an influx of pop-up ads, banners, and sponsored links while browsing the web.
3. Data Tracking: Qtr-search may track users’ online activities, including browsing history, search queries, IP addresses, and geolocation, to deliver targeted advertisements or sell the data to third parties.
4. Decreased Browser Performance: The presence of Qtr-search can slow down the affected web browser and overall system performance.

Detection Names and Similar Threats

Qtr-search malware may be detected by various antivirus and anti-malware programs using different names. Some common detection names include:

• Adware.Qtr-search
• PUP.Qtr-search
• BrowserModifier:Win32/Qtr-search

Similar threats to Qtr-search include other browser hijackers and adware programs such as:

• Search Marquis
• Search Baron
• Search Pulse

Qtr-search Malware Removal Guide

Follow these steps to remove Qtr-search malware from your system manually:

Step 1: Uninstall Suspicious Programs

• Go to Control Panel > Programs > Uninstall a Program.
• Look for any suspicious programs related to Qtr-search or unfamiliar applications.
• Select the suspicious program and click Uninstall.

Step 2: Remove Qtr-search Extensions from Web Browsers

• Google Chrome:
• Open Chrome and click on the menu icon (three vertical dots) in the top right corner.
• Go to More tools > Extensions.
• Locate any Qtr-search related extensions and click Remove.
• Mozilla Firefox:
• Open Firefox and click on the menu icon (three horizontal lines) in the top right corner.
• Select Add-ons.
• Remove any Qtr-search related extensions.
• Microsoft Edge:
• Open Edge and click on the menu icon (three horizontal dots) in the top right corner.
• Select Extensions.
• Remove any Qtr-search related extensions.

Step 3: Reset Browser Settings

• Google Chrome:
• Go to Settings > Advanced > Reset and clean up > Reset settings.
• Mozilla Firefox:
• Go to Help > Troubleshooting Information > Refresh Firefox.
• Microsoft Edge:
• Go to Settings > Reset settings.

Step 4: Scan for Malware with Antivirus Software

• Perform a full system scan using reputable antivirus software to ensure all remnants of Qtr-search are removed.

Best Practices for Preventing Future Infections

• Be cautious when downloading and installing free software from the internet, as many PUPs like Qtr-search are bundled with freeware.
• Always opt for the custom or advanced installation option to have better control over what gets installed on your system.
• Keep your operating system, web browsers, and security software up to date to prevent vulnerabilities that malware can exploit.
• Regularly scan your system with antivirus software to detect and remove any potential threats.
• Avoid clicking on suspicious links or downloading attachments from unknown sources.
• Consider using ad-blocking extensions in your web browser to reduce the risk of encountering malicious advertisements.

By following these removal steps and best practices, you can effectively eliminate Qtr-search malware from your system and prevent future infections.