What is Sunny-days.co

Sunny-days.co is a type of adware that infiltrates computer systems and web browsers with the intention of displaying intrusive and unwanted advertisements to users. This adware often comes bundled with free software downloads or through deceptive advertising tactics, such as fake pop-up ads claiming to offer system updates or virus scans. Once installed on a device, Sunny-days.co can track users’ browsing habits and display targeted ads based on their online activity.

Sunny-days.co infects computers and browsers by exploiting vulnerabilities in security settings or by tricking users into unknowingly downloading malicious software. It can also be spread through infected email attachments, phishing websites, or by clicking on malicious links. Once installed, Sunny-days.co can slow down the performance of a computer, track users’ online activity, and expose them to potential security risks. It is important for users to regularly update their security software and be cautious when downloading software or clicking on unfamiliar links to prevent infection by adware like Sunny-days.co.

Brief overview:

Name	Sunny-days.co
Type of threat	Browser hijacker
Symptoms	Browser hijacker changes homepage and search engine of browser so that users are forced to use them. It fills the targeted browser with commercial content in form of pop-ups, banners, in-text links, audio/video ads, etc. Also, hijacker can occasionally cause redirects to third-party websites
Infiltration	Freeware programs, illegal software, software cracks, torrents, fake updates
Manual Removal	To eliminate threat manually, you should remove all files and applications related to the browser hijacker
Removal Tool	To completely get rid of hijacker, We recommend using SpyHunter. This is the only way you can be 100% sure that all components of the threat are removed from the system.

How to uninstall Sunny-days.co hijacker from your computer?

The easiest and most modern way of removing pop-ups, trojans, ransomware, or other viruses is to use automatic removal tools. See our Anti-malware tools below for further instructions.

Recommended Anti-malware tools:

Sometimes, an extension cannot be removed because it is supposedly “Managed by your organization”. If this is your case, we recommend that you also use this guide – How to remove Managed by your organization from Chrome?

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Step 1: Remove Sunny-days.co hijacker from system

For Windows 7:

1. Click on the Start button and select Control Panel.
2. Double-click on the Uninstall a Program option.
3. Locate any programs related to the Sunny-days.co browser hijacker.
4. Right-click on the program and select Uninstall.

For Windows 8 and 8.1:

1. Press the Windows key + X and select Control Panel.
2. Click on Uninstall a Program under Programs.
3. Identify and uninstall any programs associated with the Sunny-days.co browser hijacker.

For Windows 10 and 11:

1. Click on the Start menu and select Settings.
2. Go to Apps > Apps & Features.
3. Locate and uninstall any programs linked to the Sunny-days.co browser hijacker.

For Mac:

1. Click on Finder in the Dock.
2. In Finder, go to Applications folder.
3. Select and drag any suspicious applications to Trash.
4. In browsers, remove any unwanted extensions related to the hijacker.
5. In browsers, reset settings to default if needed.

By following these steps tailored for each version of Windows, you can effectively remove the Sunny-days.co browser hijacker from your system without the need for third-party programs.

Step 2: Remove Sunny-days.co from browsers

Google Chrome:

If you cannot remove the extension from Google Chrome, as the delete icon is greyed out and the extension is marked as “managed by your organization”, you should first perform steps described in the How to remove Managed by your organization from Chrome? article and only then proceed with the removal.

1. Launch Google Chrome.
2. Click on the three dots in the top-right corner and select More tools > Extensions.

Mozilla Firefox:

1. Open Mozilla Firefox.
2. Click on the three horizontal lines in the top-right corner and choose Add-ons.
3. Find suspicious add-ons related to Sunny-days.co and select Remove.

Microsoft Edge:

1. Start Microsoft Edge.
2. Click on the three dots in the top-right corner and choose Extensions.
3. Locate any suspicious extensions linked to Sunny-days.co and click on Remove.

Safari:

1. Launch Safari on your Mac.
2. Go to Safari > Preferences > Extensions.
3. Find any suspicious extensions associated with Sunny-days.co and click on Uninstall.

Android & iOS (Chrome):

1. Open the Chrome app on your Android or iOS device.
2. Tap on the three dots in the top-right corner, go to Settings, then select Extensions.
3. Identify any suspicious extensions related to Sunny-days.co and disable or delete them.

Step 3: Resetting your browser settings

Resetting browser settings is a crucial step in combating browser hijackers as it effectively undoes unauthorized changes made by these malicious programs. By resetting settings to their original state, users can regain control of their browsers and eliminate unwanted alterations like homepage redirects and intrusive pop-ups. This process helps restore the browser’s security and functionality, making it a key strategy in removing browser hijackers and safeguarding against potential threats.

Google Chrome:

1. Launch Google Chrome.
2. Click on the three dots in the top-right corner and select Settings.
3. Scroll down and click on Advanced > Reset settings.

Mozilla Firefox:

1. Open Mozilla Firefox.
2. Click on the three horizontal lines in the top-right corner and choose Options.
3. Navigate to the Help menu and select Troubleshooting Information. Click on Refresh Firefox.

Microsoft Edge:

1. Start Microsoft Edge.
2. Click on the three dots in the top-right corner and choose Settings.
3. Scroll down and click on Reset settings.

Safari:

1. Launch Safari on your Mac.
2. Go to Safari > Preferences.
3. Select the Privacy tab and click on Manage Website Data. Remove all data to reset Safari.

Android & iOS (Chrome):

1. Open the Chrome app on your Android or iOS device.
2. Navigate to the browser settings and look for options like Clear cache or Clear all data to reset Chrome.

While manual removal steps are helpful, antimalware tools offer advanced scanning capabilities and real-time protection to safeguard your system against a wide range of malware. Using an antimalware tool can provide a more comprehensive and efficient solution for removing persistent threats like browser hijackers.