Datahub.serving-sys is a fake pop-up that asks users to enter their credentials

Datahub.serving-sys.com is a website that asks users to enter their username and password to allegedly view the contents of the page. Users are often confused as they do not remember registering for a site with such domain name. Nevertheless, some might think that entering the credentials of other accounts would be a solution.
Without a doubt, Datahub.serving-sys pop-up is a scam that can appear on Google Chrome, Safari, Internet Explorer, Mozilla Firefox, Opera, or any other browser. Those who come across the Datahub.serving-sys alert claim that it repeatedly appears, even when browsing legitimate websites like Yahoo. If you encounter such behavior, be aware that you might be a victim of adware[1] – ad-supported software that can come in various forms, such as browser extensions or stand-alone applications.
Therefore, to remove Datahub.serving-sys redirects and pop-ups, you will have to discover which app is adware. This might not be as straight forward as might seem from the first sight, as the culprit application might not even be in the installed program list. Additionally, some adware apps might even change the registry to hide their presence.
| Name | Datahub.serving-sys |
| Type | A pop-up message asking for login details |
| Why does it show up? | Adware infection or redirect from a malicious site |
| Associated website | Datahub.serving-sys.com |
| Infection means | Users typically install adware via software bundles, third-party sites or after seeing an attractive ad |
| Risks | Sensitive information disclosure to unknown parties, malware infection, money loss |
| Affected browsers | Google Chrome, Internet Explorer, MS Edge, Mozilla Firefox, Safari, Opera, etc. |
| Ways to get rid of it | If the suspicious behavior is repeated, you need to eliminate adware from your machine. For that, either check our instructions below or make use of security application, such as FortectIntego |
Users can defend themselves from malicious sites like Datahub.serving-sys.com, as well as adware. The ad-supported software is often downloaded in a single package from freeware hosting sites. Thus, they do not need to be experts to stop unwanted programs – all they need to do is pay more attention when installing freeware.
Nevertheless, Datahub.serving-sys virus can also slip in via other methods, so there is no way to protect yourself 100%. Once infected, users can experience strange browser behavior, for example:
- Pop-ups, offers, flashing windows, in-text links, deals, banners and another type of ads fill all sites that they visit;
- Altered homepage, new tab address, and the search engine;
- Search results are littered with sponsored links to affiliated sites;
- Redirects lead to questionable and even dangerous websites, including Datahub.serving-sys.com;
- Slow operation of the browser, etc.
In other cases, users might encounter Datahub.serving-sys pop-up seemingly out of nowhere. It states:
Authentication Required
A username and password are being requested by http://datahub.serving-sys.com. The site says: “HAProxy Statistics”
User Name:
Password:
Providing any type of passwords and usernames would be extremely dangerous, as malicious actors might use these credentials for illegal money transfer, fraud, and identity theft. Therefore, never enter your credentials into random pop-ups like the one from Datahub.serving-sys, especially if you reuse the username and password for multiple accounts (do not do that!).[2]

For a full Datahub.serving-sys removal, follow our instructions below this article. If you are unsuccessful, you can always scan your computer anti-malware software that would delete not only the PUP but also all its traces.
Keep adware away by being cautious online
By itself, adware is usually not dangerous and can be deleted relatively easily. However, there are plenty of crooks that create malicious scam sites that claim bogus malware infections and ask users to call fake tech support. The reason – illegal money extortion which is punishable by law. Unfortunately, such behavior is rarely penalized as catching the bad guys is relatively hard and requires a thought investigation.
As we previously mentioned, the adware can be avoided, as long as enough attention is being paid to the installation process of freeware and shareware. Take advise from the security experts:[3]
- Always pick trustworthy sources for your downloads;
- Check if the installer provides Terms of Service and Privacy Policy;
- Watch out for the fine print statements, pre-ticked boxes, deals and misleading button placements;
- Always opt for Advanced/Custom installation settings instead of Recommended/Quick ones, as it will allow you to uncover the full list of applications that would otherwise be installed on your computer without you noticing;
- Finally, equip your computer with anti-malware software and stay away from sites that host cracked software.
Stop Datahub.serving-sys.com pop-ups for your own safety
Even if you never enter the credentials into the provided box, it does not mean you should ignore Datahub.serving-sys virus residing on your computer. Some adware applications can modify system files, install other applications, prevent their termination, and engage in other processes that resemble malware.

To remove Datahub.serving-sys.com your computer, you should enter the installed applications list and check for anything suspicious that not recognize (note, you should quickly give each of the unknown entry a Google search so you would not uninstall programs that are actually needed). However, this might be impossible sometimes, as the dubious entry might be missing.
In such a case, use anti-virus software for Datahub.serving-sys removal. It will detect all the components hidden within the computer and delete them permanently. Nevertheless, to make sure the unwanted behavior is gone, reset each of the installed browsers as well.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.

Delete from macOS
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.

- Finally, empty the Trash to permanently remove the leftovers.
Reset Internet Explorer
Remove dangerous add-ons:
- Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
- Pick Manage Add-ons.
- You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.

Change your homepage if it was altered:
- Open IE and click on the Gear icon.
- Select Internet Options.
- In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
- Click Apply and then select OK.

Delete temporary files:
- Press on the Gear icon and select Internet Options.
- Under Browsing history, click Delete...
- Select relevant fields and press Delete.

Reset Internet Explorer:
- Click on Gear icon > Internet options and select Advanced tab.
- Select Reset.
- In the new window, check Delete personal settings and select Reset.

Remove from Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.

Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Instructions for Chromium-based Edge
Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.

Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.

Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.

Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.

- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Remove from Google Chrome
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.

Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.

Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.

Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.

Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.

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