The uc123.com redirect has been identified as a browser hijacker that changes browser settings without user consent. Once active, it forces browsers to open the uc123.com domain and routes all searches through third-party sources. It commonly affects Chrome, Edge, and Firefox, replacing default homepages and search engines with its own redirect address.
The page imitates a search engine interface but does not provide independent results. Instead, all queries are rerouted through advertising partners, generating traffic-based revenue. The interface appears legitimate, which leads many users to continue using it without realizing that their browsing preferences have been altered.
How the uc123.com redirect spreads
The uc123.com redirect is usually installed alongside other free programs downloaded from unofficial download sites. Many software bundles include optional components that adjust browser configurations in exchange for displaying sponsored content. These options are often hidden within installation settings, so users who skip advanced setup steps allow additional software to install automatically.
The redirect may also appear after interacting with misleading pop-ups or advertisements that promote performance optimizers, browser boosters, or “faster search” tools. Once installed, uc123.com modifies shortcut settings and browser preferences, ensuring it loads whenever a new window or tab opens.
uc123.com can also appear on systems where outdated versions of UC Browser were installed, though the browser itself is not the direct cause. In these cases, the hijacker operates independently, maintaining persistence across browser sessions.
The uc123.com redirect highlights the importance of checking installation settings when installing free programs. Choosing the custom or advanced installation option allows users to deselect bundled offers before setup completes. Downloading programs from official or verified sources also reduces the likelihood of encountering browser hijackers.
Users can minimize exposure by monitoring browser behaviour and watching for unauthorized changes to homepages, search engines, or startup configurations. Installing a reputable security tool can help detect such modifications and prevent redirects before they occur.
What does a browser hijacker do?
Once active, uc123.com overrides browser configuration files and startup parameters. Users notice that their homepage and new tab page automatically load uc123.com instead of their chosen settings. The redirect inserts advertisements and sponsored results that appear above or alongside genuine search links.
The hijacker also collects browsing information, including search terms, visited websites, and location data derived from the user’s IP address. This data may be used to personalize advertising or shared with third-party networks. Although uc123.com does not function as malware, this tracking behaviour poses a privacy risk and can expose users to unwanted marketing content.
Browsers affected by uc123.com often experience reduced performance due to additional scripts and redirection chains. In some cases, users report that the homepage reverts to uc123.com even after manual changes, indicating that background processes or registry entries restore the hijacker’s configuration.
Why is uc123.com considered a browser hijacker
uc123.com is classified as a browser hijacker because it modifies browser settings without direct permission and prevents users from restoring previous preferences. The redirect changes configuration files, updates registry entries, and adjusts shortcut targets to ensure persistence.
Unlike legitimate search providers, uc123.com provides no clear information about its ownership or data practices. Its privacy policy and terms of service are limited, offering no details about data retention or third-party partnerships. The lack of transparency, combined with unauthorized browser modification, aligns with the definition of a potentially unwanted program.
The search results provided through uc123.com are typically filled with sponsored content and referral links. These results are not filtered for reliability, increasing the chance that users may be directed to websites containing misleading or unsafe material. This pattern reinforces its classification as an unwanted search engine redirect.
The main risk posed by uc123.com lies in data collection and user tracking. Information gathered through the redirect can include browsing history, location, and technical identifiers. While this data is primarily used for advertising, its uncontrolled distribution presents a privacy concern.
Redirection to unverified sources also carries exposure risks. Users may encounter pages that distribute adware, fake software updates, or promotional offers that lead to further unwanted installations. Prolonged use of the uc123.com search interface increases these risks because it continuously directs traffic through low-trust domains.
In addition to privacy issues, persistent redirects can degrade the browsing experience. Multiple scripts and advertisement requests delay page loading, cause browser lag, and interrupt normal activity. This can affect both personal and business systems where productivity depends on stable web performance.
Remove uc123.com redirect
To remove uc123.com redirect, it’s necessary to remove the browser hijacker. Using an anti-virus program is the easiest way to delete uc123.com redirect, but manual removal is also possible.
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Quick Menu
Step 1. Uninstall uc123.com and related programs.
Remove uc123.com from Windows 8
Right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel choose Programs and Features and select to Uninstall a software.


Uninstall uc123.com from Windows 7
Click Start → Control Panel → Programs and Features → Uninstall a program.


Delete uc123.com from Windows XP
Click Start → Settings → Control Panel. Locate and click → Add or Remove Programs.


Remove uc123.com from Mac OS X
Click Go button at the top left of the screen and select Applications. Select applications folder and look for uc123.com or any other suspicious software. Now right click on every of such entries and select Move to Trash, then right click the Trash icon and select Empty Trash.


Step 2. Delete uc123.com from your browsers
Terminate the unwanted extensions from Internet Explorer
- Tap the Gear icon and go to Manage Add-ons.


- Pick Toolbars and Extensions and eliminate all suspicious entries (other than Microsoft, Yahoo, Google, Oracle or Adobe)


- Leave the window.
Change Internet Explorer homepage if it was changed by virus:
- Tap the gear icon (menu) on the top right corner of your browser and click Internet Options.


- In General Tab remove malicious URL and enter preferable domain name. Press Apply to save changes.


Reset your browser
- Click the Gear icon and move to Internet Options.


- Open the Advanced tab and press Reset.


- Choose Delete personal settings and pick Reset one more time.


- Tap Close and leave your browser.


- If you were unable to reset your browsers, employ a reputable anti-malware and scan your entire computer with it.
Erase uc123.com from Google Chrome
- Access menu (top right corner of the window) and pick Settings.


- Choose Extensions.


- Eliminate the suspicious extensions from the list by clicking the Trash bin next to them.


- If you are unsure which extensions to remove, you can disable them temporarily.


Reset Google Chrome homepage and default search engine if it was hijacker by virus
- Press on menu icon and click Settings.


- Look for the “Open a specific page” or “Set Pages” under “On start up” option and click on Set pages.


- In another window remove malicious search sites and enter the one that you want to use as your homepage.


- Under the Search section choose Manage Search engines. When in Search Engines..., remove malicious search websites. You should leave only Google or your preferred search name.




Reset your browser
- If the browser still does not work the way you prefer, you can reset its settings.
- Open menu and navigate to Settings.


- Press Reset button at the end of the page.


- Tap Reset button one more time in the confirmation box.


- If you cannot reset the settings, purchase a legitimate anti-malware and scan your PC.
Remove uc123.com from Mozilla Firefox
- In the top right corner of the screen, press menu and choose Add-ons (or tap Ctrl+Shift+A simultaneously).


- Move to Extensions and Add-ons list and uninstall all suspicious and unknown entries.


Change Mozilla Firefox homepage if it was changed by virus:
- Tap on the menu (top right corner), choose Options.


- On General tab delete malicious URL and enter preferable website or click Restore to default.


- Press OK to save these changes.
Reset your browser
- Open the menu and tap Help button.


- Select Troubleshooting Information.


- Press Refresh Firefox.


- In the confirmation box, click Refresh Firefox once more.


- If you are unable to reset Mozilla Firefox, scan your entire computer with a trustworthy anti-malware.
Uninstall uc123.com from Safari (Mac OS X)
- Access the menu.
- Pick Preferences.


- Go to the Extensions Tab.


- Tap the Uninstall button next to the undesirable uc123.com and get rid of all the other unknown entries as well. If you are unsure whether the extension is reliable or not, simply uncheck the Enable box in order to disable it temporarily.
- Restart Safari.
Reset your browser
- Tap the menu icon and choose Reset Safari.


- Pick the options which you want to reset (often all of them are preselected) and press Reset.


- If you cannot reset the browser, scan your whole PC with an authentic malware removal software.
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2-remove-virus.com is not sponsored, owned, affiliated, or linked to malware developers or distributors that are referenced in this article. The article does not promote or endorse any type of malware. We aim at providing useful information that will help computer users to detect and eliminate the unwanted malicious programs from their computers. This can be done manually by following the instructions presented in the article or automatically by implementing the suggested anti-malware tools.
The article is only meant to be used for educational purposes. If you follow the instructions given in the article, you agree to be contracted by the disclaimer. We do not guarantee that the artcile will present you with a solution that removes the malign threats completely. Malware changes constantly, which is why, in some cases, it may be difficult to clean the computer fully by using only the manual removal instructions.

