Antiinject.info Hijacker

If your browser’s acting strangely—pop‑ups from “Norton” or “McAfee,” changes to your homepage or search engine—you could be dealing with Antiinject.info hijacker.

Threat Summary

Field	Details
Threat Type	Browser Hijacker
Associated Domain	Antiinject.info
Detection Names	Antiinject.info hijacker (also mimics Norton, McAfee alerts)
Symptoms	Pop‑ups with fake AV alerts; fake CAPTCHAs prompting “Allow”; homepage/search redirection; alarming countdowns or dashboards
Damage & Distribution	Tricks users into clicking links, possibly phishing or junk download; uses deceptive browser permissions and policies to persist
Danger Level	Moderate to high—disruptive, misleading, potential security/phishing risk
Removal Tool	SpyHunter

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What Antiinject.info Changes in Your Browser

Antiinject.info hijacker sneaks in through deceptive tricks—fake CAPTCHAs that ask you to click “Allow,” granting permissions that enable pop‑ups, redirects, and alarming overlays. It can mimic legitimate antivirus alerts to scare users into downloading software or entering sensitive information.

By exploiting browser settings and policies, it takes control of your homepage, default search engine, and notifications. Even after restarting the browser or system, the hijacker may restore itself by embedding into browser policies.

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How Antiinject.info Hijacked Your Homepage or Search

This hijacker often sets browser policies that display the “Managed by your organization” message. These policies block normal changes and allow the hijacker to enforce its settings. It can override homepage URLs, change default search engines, and grant itself persistent notification permissions.

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Will Antiinject.info Steal Your Data?

Antiinject.info doesn’t directly steal personal files or passwords, but its misleading tactics—fake alerts, download prompts, and redirection—can lead to phishing or malware exposure. The constant browser manipulation erodes trust and makes the system vulnerable to additional threats.

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Option 1: Manual Browser Hijacker Removal

Step 1: Uninstall Suspicious Software

For Windows:

1. Press Windows + R, type appwiz.cpl, and press Enter.
2. Look for recently installed or unknown software.
3. Select the suspicious program and click Uninstall.
4. Follow the uninstaller’s prompts.

For Mac:

1. Open Finder > Applications.
2. Locate any unfamiliar apps you didn’t intentionally install.
3. Drag them to the Trash.
4. Right-click the Trash and select Empty Trash.

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Step 2: Reset Each Web Browser Affected

Google Chrome:

1. Go to chrome://settings/reset.
2. Click Restore settings to their original defaults > Reset settings.
3. Then, visit chrome://extensions and remove any suspicious add-ons.
4. Change your search engine:
   Settings > Search Engine > Manage search engines — remove unwanted entries and set a trusted one like Google.

Mozilla Firefox:

1. Click the menu icon (three lines) > Help > More Troubleshooting Information.
2. Click Refresh Firefox.
3. After reset, check Add-ons and Themes and remove unwanted extensions.
4. Navigate to Settings > Home/Search and revert changes to your preferred provider.

Microsoft Edge:

1. Click menu (three dots) > Settings > Reset Settings > Restore settings to their default values.
2. Open edge://extensions and remove any unfamiliar plugins.
3. Reconfigure your homepage and search engine if needed.

Safari (Mac Only):

1. Open Safari > Click Safari in the top menu > Clear History (select All History).
2. Go to Preferences > Extensions, remove unknown entries.
3. Under General, set your homepage.
4. Under Search, revert to your preferred search provider.

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Step 3: Check and Clean Your Hosts File

On Windows:

1. Open Notepad as Administrator.
2. Go to:
   C:\Windows\System32\drivers\etc\hosts
3. Look for unknown IPs or domains — remove them.
4. Save changes and reboot.

On Mac:

1. Open Terminal.
2. Run: sudo nano /etc/hosts
3. Identify and remove hijacker entries.
4. Press Control + O to save and Control + X to exit.

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Option 2: Automatic Removal Using SpyHunter

If you want a faster and safer solution — especially if the hijacker reinstalls after manual removal — use SpyHunter, a trusted anti-malware tool.

Step 1: Download SpyHunter

Visit the official download page: Download SpyHunter

Need help with the installation? Follow this page: SpyHunter Download Instructions

Step 2: Install and Launch the Program

1. Run the installer and follow the steps for your OS.
2. Open SpyHunter after installation.

Step 3: Perform a Full System Scan

1. Click Start Scan Now.
2. Wait while SpyHunter analyzes your computer for browser hijackers, malware, and other PUPs.
3. Once the scan completes, click Fix Threats to eliminate them.

Step 4: Reboot and Recheck Your Browser

After cleaning, restart your device. Open your browser and check if your homepage and search settings are restored. If not, perform a quick browser reset using the manual steps above.

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How to Prevent Future Infections

• Avoid downloading freeware from third-party sites.
• Use custom/advanced installation and deselect optional offers.
• Keep your browser and OS updated.
• Regularly scan your system with SpyHunter for proactive defense.
• Don’t click strange pop-ups or redirect links from unknown sources.

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Conclusion

Antiinject.info is more than an annoying pop-up generator—it’s a persistent hijacker that abuses browser permissions and policies to control your web experience. Its fake alerts and deceptive prompts can trick even cautious users into granting access or downloading unwanted content.

If your browser displays security alerts you didn’t ask for, redirects searches, or shows the “Managed by your organization” message—don’t ignore it. Follow the removal steps outlined here or use a trusted security tool like SpyHunter to eliminate the hijacker fully and restore your browser’s settings.