Smartcheck.co.in is a form of adware and browser hijacker that can take over your web browser settings, show unwanted ads, and redirect your searches. It’s not a traditional “virus,” but it behaves like malware and can slow down your system or compromise your privacy.
In this guide, you’ll learn how to detect, remove, and prevent Smartcheck.co.in from Chrome, Firefox, Edge, and your Windows PC.
What Is Smartcheck.co.in Adware?
Smartcheck.co.in is classified as adware and a browser hijacker — software that changes your browser’s homepage, search engine, or new tab page without permission. It often comes bundled with free downloads or fake installers and can:
- Redirect your searches.
- Display intrusive ads or pop‑ups.
- Install suspicious browser extensions.
- Track browsing behavior.
This guide will help you remove Smartcheck.co.in safely and restore your browser to normal.
How to Know If Your Browser Is Infected
You might have Smartcheck.co.in if:
- Your homepage or search engine changed unexpectedly.
- Your browser keeps redirecting to Smartcheck.co.in.
- You see unwanted ads or pop‑ups on every site.
- You notice unknown browser extensions.
- Your browser or PC feels slower than usual.
These signs are common for adware and hijackers. If you notice them, proceed with the steps below.
Step 1: Remove Smartcheck.co.in From Your Browser
Google Chrome
- Open Chrome and go to Settings → Extensions.
- Look for unknown extensions (especially installed around the time the issue appeared).
- Click Remove next to suspicious extensions.
- Go to Settings → Search engine → Manage search engines.
- Remove Smartcheck.co.in if listed and set your preferred search engine (like https://www.google.com) as default.
- If problems persist, reset Chrome:
Settings → Reset and clean up → Restore settings to their original defaults.
Learn more: How to remove unwanted Chrome extensions – Google Support
https://support.google.com/chrome/answer/2765944
Mozilla Firefox
- Open Firefox menu → Add-ons and themes → Extensions.
- Remove suspicious add‑ons.
- Check your Home and Search settings under Settings → Home.
- If needed, reset Firefox:
Help → More troubleshooting information → Refresh Firefox.
Learn more: Troubleshoot extensions – Mozilla Support
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-add-ons
Microsoft Edge
- Open Edge → Settings → Extensions.
- Find and Remove any suspicious extensions.
- Reset settings if hijacking continues:
Settings → Reset settings → Restore settings to their default values.
Learn more: Manage extensions in Edge – Microsoft Support
https://support.microsoft.com/help/4027750/microsoft-edge-add-remove-extensions
Step 2: Uninstall Suspicious Programs
Some adware installs software on your PC that helps it stay active.
- Press Windows + R → type
appwiz.cpl→ Enter. - Look for recently installed programs that you don’t remember installing.
- Select each suspicious program → Uninstall.
Check within the last week of installation dates — this often reveals unwanted software.
Step 3: Scan Your Computer With Anti‑Malware Tools
Using trusted tools can detect and remove hidden adware components.
Here are reliable scanners:
- Malwarebytes Free – strong at detecting adware and PUPs (Potentially Unwanted Programs)
https://www.malwarebytes.com - AdwCleaner – free tool specialized for adware and browser hijackers
https://www.malwarebytes.com/adwcleaner - HitmanPro – cloud‑based malware scanner (free trial)
https://www.hitmanpro.com
How to scan:
- Download one of the tools above.
- Install and update the virus definitions.
- Run a Full Scan.
- Quarantine or remove all detected items.
- Restart your PC if prompted.
These tools are widely recommended by security experts and work well together to find what one might miss.
Step 4: Clear Browser Cache and Cookies
Clearing browser data ensures leftover adware cookies are removed.
Chrome / Firefox / Edge:
- Open browser Settings → Privacy & Security.
- Select Clear browsing data.
- Choose Cookies and other site data and Cached images and files.
- Click Clear data.
Step 5: Check Your Hosts File (Advanced)
Some adware modifies the Windows hosts file to block security updates or redirect sites.
- Navigate to:
C:\Windows\System32\drivers\etc\hosts - Open the hosts file with Notepad.
- Remove any unfamiliar lines referencing Smartcheck.co.in.
- Save the file.
Note: Only do this if you’re comfortable editing system files.
Step 6: Prevent Re‑Infection
To reduce future risks:
- Download software only from official websites.
- Avoid third‑party installers that bundle extra programs.
- Keep your antivirus and browser up to date.
- Consider using a browser extension that blocks unwanted scripts and ads.
Good browser hygiene makes adware infections rare.
Frequently Asked Questions (FAQs)
Is Smartcheck.co.in a virus?
No — it’s adware/browser hijacker. It isn’t meant to destroy data, but it can invade privacy and reduce performance.
Will removing it delete my files?
No. Removal targets settings, extensions, and malware components — not your personal documents or photos.
Can mobile devices get Smartcheck.co.in?
Yes, especially Android devices from unofficial app stores. Always use the official Google Play Store and avoid unknown apps.
Final Thoughts
Smartcheck.co.in may seem difficult to remove at first, but following the steps above will clean your system and restore normal browsing. Always stay cautious about downloads and browser add‑ons to avoid similar threats in the future.
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