Warning - Your Computer Is Infected! Scam
Written by Tomas Meskauskas on (updated)
What is Warning - Your Computer Is Infected!?
"Warning - Your Computer Is Infected!" is a fake pop-up error message displayed by a malicious website that users often visit inadvertently - they are redirected by various potentially unwanted programs (PUPs) that stealthily infiltrate systems during installation of other software (the "bundling" method).
As well as causing redirects, PUPs deliver intrusive advertisements and track browsing activity by gathering various user-system information.
The error message states that the system is infected, that someone is attempting to access/steal personal data (logins/passwords, banking details, etc.), and the infection must be eliminated immediately. Victims are encouraged to call "Customer Support" via a telephone number ("+1-877-304-0310") provided.
They are then supposedly guided through the removal process. As mentioned above, however, the "Warning - Your Computer Is Infected!" message is fake. Cyber criminals attempt to trick victims into calling and paying for services that are not required. Therefore, you should never attempt to call the aforementioned telephone number.
You can remove this error simply by closing the web browser. Be aware that PUPs deliver various advertisements (pop-ups, coupons, banners, etc.) that often conceal underlying website content, thereby significantly diminishing the browsing experience.
Furthermore, these ads often redirect to malicious websites and even accidental clicks can result in high-risk adware or malware infections. PUPs record various user-system information that might contain personal details.
The collected data (IP addresses, URLs visited, pages viewed, search queries, etc.) is later shared with third parties (potentially, cyber criminals) who generate revenue by misusing personal information. Therefore, the presence of data-tracking applications might lead to serious privacy issues or even identity theft. For these reasons, uninstall PUPs immediately.
"Warning - Your Computer Is Infected!" shares many similarities with Windows Firewall Blocked The Internet, Windows Warning Alert, Windows Health Is Critical, and dozens of other fake errors. As with Warning - Your Computer Is Infected!, these pop-ups also claim that the system is infected, missing files, or is damaged in other similar ways.
In fact, all fake error messages are designed only to generate revenue for the developers. They should never be trusted.
By offering various 'useful features', PUPs attempt to give the impression of legitimacy, but rather than providing any significant value for regular users, they cause unwanted redirects, deliver advertisements, and continually record various user-system information.
How did adware install on my computer?
To proliferate PUPs, developers employ a deceptive marketing method called "bundling" - stealth installation of third party applications with regular software/apps. They hide bundled programs within the "Custom" or "Advanced" settings of the download/installation processes. Rushing and skipping this section often leads to inadvertent installation of rogue applications.
How to avoid installation of potentially unwanted applications?
There are two simple steps you should take to prevent this situation. Firstly, never rush when downloading and installing software. Select the "Custom" or "Advanced" settings and carefully analyze each step. Secondly, decline offers to download/install additional applications and cancel of those already included. The key to computer safety is caution.
Text presented within "Warning - Your Computer Is Infected!" scam pop-up:
Warning - your computer is infected! They may cause critical system failure. Click here to get available software. Or call Support Now! Call Toll-Free +1-877-304-0310 To find right solution.
Warning: Internet Security Damaged!!!
A suspicious Connection Was Trying to Access Your Logins, Banking Details & Tracking Your Internet Activity.
Your TCP Connection Was Blocked by Your Firewall. Your Accounts May be Suspended Until You Take an Action.
Your Personal Information May Have Leaked. IMMEDIATE RESPONSE REQUIRED.
Your Hard Disk May Have Trojan Virus! Please Do Not Try to fix Manually. It May Crash Your Data.
Consequently, we are performing additional security checks to verify system security.
Please Visit Your Nearest Windows Service Center OR Call Help Desk
Customer Service +1-877-304-0310 (TOLL-FREE)
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Quick menu:
- What is Warning - Your Computer Is Infected!?
- STEP 1. Uninstall deceptive applications using Control Panel.
- STEP 2. Remove adware from Internet Explorer.
- STEP 3. Remove rogue extensions from Google Chrome.
- STEP 4. Remove potentially unwanted plug-ins from Mozilla Firefox.
- STEP 5. Remove rogue extension from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
Adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for any suspicious/recently-installed applications, select these entries and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted program, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove adware from Internet browsers:
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious add-ons from Internet Explorer:
Click the "gear" icon 
(at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the "warning - your computer is infected!" virus, reset your Internet Explorer settings to default.
Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.
Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.
Optional method:
If you continue to have problems with removal of the "warning - your computer is infected!" virus, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.
Optional method:
Computer users who have problems with "warning - your computer is infected!" virus removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon 
(at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the "warning - your computer is infected!" virus, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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Outstanding!
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