"Your Computer is locked !" Screenlocker

Also Known As: Your Computer Has Been Locked scam
Damage level: Severe

"Your computer is locked !" virus removal guide

What is "Your computer is locked !"?

"Your computer is locked !" is malware that locks the computer screen and displays a fake error message. It was first discovered by Jiri Kropac and states that the system has been infected and, therefore, victims must contact "Microsoft Technicians" to solve the problem. Be aware, however, that the "Your computer is locked !" error message is fake. Research shows that this malware is often distributed via potentially unwanted programs (PUP) that deliver intrusive online advertisements and track personally identifiable information.

Your computer is locked ! scam

The "Your computer is locked !" error states that the computer has been locked due to various infections. According to the message, only "Microsoft Technicians" are capable of solving the problem and victims must contact them via a contact button provided. A code is then supposedly provided to unlock the system. This is a scam. "Your computer is locked !" is fake. Criminals attempt to scare and trick victims into contacting technicians and paying for unnecessary services. You should ignore this error. The aforementioned PUPs display advertisements using a ‘virtual layer’ (a tool that enables placement of third party graphical content on any site). Therefore, the ads often conceal underlying web content, thereby significantly diminishing the browsing experience. In addition, some lead to malicious websites - even accidental clicks can result in various computer infections. PUPs also gather various information relating to the web browsing activity including IP addresses, search queries, websites visited, pages viewed, geo-locations, mouse and keyboard activity, etc. This information might contain personal details that are shared with third parties who misuse private data to generate revenue. Therefore, data tracking can lead to serious privacy issues or even identity theft. Uninstall all PUPs immediately.

Research shows that "Your computer is locked !" shares many similarities with other scam errors such as Windows Firewall Security Damaged, This User Is Disabled, You Have a ZEUS virus, and many others. All claim that the system is missing files, infected, or damaged, however, as mentioned above, these claims are false. Fake errors such as "Your computer is locked !" are designed only to generate revenue for the developers. They are not genuine and you should never believe them. Potentially unwanted programs (used to proliferate these viruses) often infiltrate the system during installation of various software. This deceptive marketing method is called "bundling". Developers know that most users rush the download/installation processes and skip most steps. Therefore, bundled programs are hidden within the "Custom/Advanced" settings. Skipping this section often leads to inadvertent installation of bogus programs.

"Your computer is locked !" error message:

Your computer has been locked. But don’t worries, the files will never delete. Just your computer is locked because your computer has viruses. If you want the code, contact the nearest microsoft technician. The reason: A unusual activity has been detected on your computer. Your computer might be at risk and this is the reason the locked your computer. Click on the button to contact the nearest microsoft technician. Click on the button to contact it.

Screenshot of pop-up displayed after entering the "unlock code" (01548764GHEZG784):

Your Computer Is Locked popup

Text presented within this pop-up:

How to remove “Your computer is locked”
The virus has been made by Soren805
If you want to remove it, press OK.
The virus disable Alt+F4, CTRL+ALT+DEl and kill explorer.exe.
1. Go to start menu
2. Go to All Programs
3. Go to Startup
4. Remove the file named Sec.exe
If you press OK your computer will now go to Normal (Enable task manager) etc…

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Quick menu:

"Your computer is locked !" virus removal:

Step 1

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer starting process press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Go to the Windows 8 Start Screen, type Advanced, in the search results select Settings. Click on Advanced Startup options, in the opened "General PC Settings" window select Advanced Startup. Click on the "Restart now" button. Your computer will now restart into "Advanced Startup options menu". Click on the "Troubleshoot" button, then click on "Advanced options" button. In the advanced option screen click on "Startup settings". Click on the "Restart" button. Your PC will restart into the Startup Settings screen. Press "5" to boot in Safe Mode with Networking Prompt.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

Step 2

Log in to the account infected with the "Your computer is locked !" virus. Start your Internet browser and download a legitimate anti-spyware program. Update the anti-spyware software and start a full system scan. Remove all entries detected.

If you cannot start your computer in Safe Mode with Networking, try performing a System Restore.

Video showing how to remove viruses using "Safe Mode with Command Prompt" and "System Restore":

1. During your computer starting process, press the F8 key on your keyboard multiple times until the Windows Advanced Options menu appears, and then select Safe Mode with Command Prompt from the list and press ENTER.

Boot your computer in Safe Mode with Command Prompt

2. When Command Prompt Mode loads, enter the following line: cd restore and press ENTER.

system restore using command prompt type cd restore

3. Next, type this line: rstrui.exe and press ENTER.

system restore using command prompt rstrui.exe

4. In the opened window, click "Next".

restore system files and settings

5. Select one of the available Restore Points and click "Next" (this will restore your computer system to an earlier time and date, prior to the "Your computer is locked !" virus infiltrating your PC).

select a restore point

6. In the opened window, click "Yes".

run system restore

7. After restoring your computer to a previous date, download and scan your PC with recommended malware removal software to eliminate any remnants of the "Your computer is locked !" virus.

If you cannot start your computer in Safe Mode with Networking (or with Command Prompt), boot your computer using a rescue disk. Some viruses disable Safe Mode making its removal complicated. For this step, you require access to another computer. After removing "Your computer is locked !" virus from your PC, restart your computer and scan it with legitimate anti-spyware software to remove any possible remnants of this security infection.

Other tools known to remove this scam:

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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