Remove “Uw computer is geblokkeerd” virus (Removal Guide)

If your computer is locked, and you are seeing a “Uw computer is geblokkeerd” notification from the Dutch Police (POLITIE), then your computer is infected with a piece of malware known as Trojan Reveton.

This threat is distributed through several means. Malicious websites, or legitimate websites that have been compromised, may drop the threat onto a compromised computer. This drive-by-download often happens surreptitiously. Another method used to propagate this type of malware is spam email containing infected attachments or links to malicious websites. The threat may also be downloaded manually by tricking the user into thinking they are installing a useful piece of software. Ransomware is also prevalent on peer-to-peer file sharing websites and is often packaged with pirated or illegally acquired software.

Once installed on your computer, the “Uw computer is geblokkeerd” virus will display a bogus notification, that pretends to be from POLITIE and states that your computer has been blocked due to it being involved with the distribution of pornographic material, SPAM and copyrighted content.

The “Uw computer is geblokkeerd” virus will lock you out of your computer and applications, so whenever you’ll try to log on into your Windows operating system or Safe Mode with Networking, it will display instead a lock screen asking you to pay a non-existing fine of 100 Euro in the form of a Ukash or PaySafeCard code.
Furthermore, to make its alert seem more authentic, this virus also has the ability to access your installed webcam, so that the bogus “Uw computer is geblokkeerd” notification shows what is happening in the room.

If your computer is infected with the “Uw computer is geblokkeerd” virus, you will see any of the following notifications:


Cyber criminals often updated the design of this lock screen, however you should always keep in mind that the Dutch Police will never lock down your computer or monitor your online activities.
The message displayed by the threat can be localized depending on the user’s location, with text written in the appropriate language. Depending on the variant, the Trojan may only display a message in the language spoken by its authors, or the country that was intended as the main target of the attack.
Here is an example of how the bogus “Uw computer is geblokkeerd” notification:

U bent een overtreder, omdat uw activiteiten onwettelijk zijn en dat heeft tot gevolg criminele verantwoordelijkheid.
Het opereren van uw computer is gestopt ten gevolge van ongeoorloofde cyber-activiteiten
Heronder vindt u de mogelijk overtredingen:
Artikel – 174. Auteursrecht
Gevangenisstraf van 2 tot 5 jaar (gebruik of distributie van auteursrecht). Een boete van 18 000 euro tot 23 CCO euro.

Artikel – 183. Pornografie
Gevangenisstraf van 2 tot 3 jaar (gebruik of distributie van bestanden met pornografische inhoud). Een boete van 18 CO3 euro tot 25 000 euro.

Artikel – 184. Pornografie met deelname van kinderen (jonger dan 18 jaar) Gevangenisstraf van 10 tot 15 jaar (gebruik of distributie van bestanden met pornografische inhoud). Een boete van 22 CCO euro tot 40 000 euro.

Artikel – 104. Bevordering van terrorisme
Gevangenisstraf tot 25 jaar zonder recht op de appellatie (bezoek aan websites van terroristische groepen). Een boete van 35 COO euro tot 45 000 euro met verbeurdverklaring.

Artikel – 68. Distributie van virus-programma’s
Gevangenisstraf tot 2 jaar (creatie of distributie van virus-programma’s die schade aan andere computers hebben toegebracht). Een boete van 15 COO euro tot 28 000 euro.

Artikel – 113. Gebruik van niet-gelicenseerde software
Gevangenisstraf tot 2 jaar (gebruik van niet-gelicenseerde software). Een boete van 10 COO euro tot 22 000 euro.

Artikel – 99. Fraude met betalingskaarten, carding
Gevangenisstraf tot 5 Jaar (handeling met gebruik van betalingskaart of details daatvan, niet-geinitieerd of niet-bevestigd dor de eigenaar daarvan). Een boete van 30 000 euro tot 75 000 euro met verbeurdverklaring.

Artikel – 156. Verspreiding van SPAM-berichten van pornografische aard Gevangenisstraf tot 2 jaar 6mrsprelding van SPAM van pornografische aard door middel van emaa-berichten en sociale netwerken). Een boete van 16 000 euro tot 38000 euro.

ALLE ONWEITELUKE ACTNITEITEN, DIE VANUIT UW COMPUTER UITGEVOERD ZIJN, ZIJN IN DE DATABASE VAN DE POLME OPGESLAGEN. DAT GELDT OOK VOOR FOTO EN VIDEO OPNAME VAN UW WEB-CAMERA VOOR VERDERE PERSOONSOENT1FICATIE. HET IS VASTGESTELD DAT ER VAN UW COMPUTER NAAR PORNOGRAFIE MET DEELNAME VAN MINDERJARIGEN IS GEKEKEN

The “Uw computer is geblokkeerd” notification is a scam, and you should ignore any alert that this malicious software might generate.
Under no circumstance should you send any money via Ukash to these cyber criminals, as this could lead to identity theft,and if you have, you can request a refund from Ukash stating that the payment was due to a scam and a computer virus.

“Uw computer is geblokkeerd” – Virus Removal Instructions

STEP 1: Remove “Uw computer is geblokkeerd” lock screen from your computer

“Uw computer is geblokkeerd” Ukash Ransom has modified your Windows registry and added its malicious files to run at start-up, so whenever you’re trying to boot your computer it will launch instead its bogus notification.To remove these malicious changes, we can use any of the below methods :

Method 1: Start your computer in Safe Mode with Networking and scan for malware

Some variants of “Uw computer is geblokkeerd” virus will allow the users to start the infected computer in Safe Mode with Networking without displaying the bogus lock screen. In this first method, we will try to start the computer in Safe Mode with Networking and then scan for malware to remove the malicious files.

  1. Remove all floppy disks, CDs, and DVDs from your computer, and then restart your computer.
  2. Press and hold the F8 key as your computer restarts.Please keep in mind that you need to press the F8 key before the Windows start-up logo appears.
    Note: With some computers, if you press and hold a key as the computer is booting you will get a stuck key message. If this occurs, instead of pressing and holding the “F8 key”, tap the “F8 key” continuously until you get the Advanced Boot Options screen.
  3. On the Advanced Boot Options screen, use the arrow keys to highlight Safe Mode with Networking , and then press ENTER.
    [Image: Safe Mode with Networking]
  4. If your computer has started in Safe Mode with Networking, you’ll need to perform a system scan (as seen on STEP 2) with Malwarebytes Anti-Malware and HitmanPro to remove the malicious files from your machine.

IF the “Uw computer is geblokkeerd” virus didn’t allow you to start the computer in Safe Mode with Networking,you’ll need to follow Method 2 to get rid of its lock screen.


Method 2: Restore Windows to a previous state using System Restore

System Restore can return your computer system files and programs to a time when everything was working fine, so we will try to use this Windows feature to get rid of “Uw computer is geblokkeerd” lock screen.

  1. Restart your computer, and then press and hold F8 during the initial startup to start your computer in safe mode with a Command prompt.
    Note: With some computers, if you press and hold a key as the computer is booting you will get a stuck key message. If this occurs, instead of pressing and holding the “F8 key”, tap the “F8 key” continuously until you get the Advanced Boot Options screen.
  2. Use the arrow keys to select the Safe mode with a Command prompt option.
    Enter Safe Mode with Command Prompt
  3. At the command prompt, if you are using Windows Vista, 7 or 8 type C:\windows\system32\rstrui.exe , and then press ENTER.
    If you are using Windows XP, you will need to type C:\windows\system32\restore\rstrui.exe, and then press ENTER.
    [Image: Start System Restore from Safe Mode with Command Prompt]
  4. The System Restore utility will start, and you’ll need to select a restore point previous to this infection.
    Restore points in Windows 7
  5. After System Restore has completed its task, you should be able to boot in Windows normal mode, and perform a system scan (as seen on STEP 2) with Malwarebytes Anti-Malware and HitmanPro to remove the malicious files from your machine.

IF the “Uw computer is geblokkeerd” virus didn’t allow you to restore your computer to a previous point, you’ll need to follow Method 3 to get rid of its screen lock.


Method 3: Remove “Uw computer is geblokkeerd” lock screen with msconfig utility

When your computer was infected with the “Uw computer is geblokkeerd” virus, this trojan has set a its malicious files to start whenever your computer is booting. IF you didn’t have a restore point, we can use msconfig to remove it’s malicious start-up entry.

  1. While your computer is in Safe Mode with Command Prompt, type msconfig to start the Windows System Configuration utility.
    [Image: Type msconfig in the Command prompt]
  2. Click on the Startup tab, then search for any suspicious or unknonw entries (random numbers or letters, ctfmon.exe, and other suspicious or unknown entries), and unckech them from startup, then click on OK.
    This will stop the “Uw computer is geblokkeerd” virus from starting with Windows, however it won’t remove the malicous files from your computer.
    [Image: Uncheck any suspicious entries from start-up]
  3. Type shutdown /r in the command prompt to restart your computer, then  perform a scan with Malwarebytes Anti-Malware and HitmanPro as seen on STEP 2.

IF the “Uw computer is geblokkeerd” virus didn’t allow you to start the computer in Safe Mode with Command Prompt you’ll need to follow Method 4 to get rid of its screen lock.


Method 4: Remove “Uw computer is geblokkeerd” virus with HitmanPro Kickstart

IF you couldn’t boot into Safe Mode with Command Prompt or didn’t have a System Restore point on your machine, we can use HitmanPro Kickstart to bypass this infection, and access your computer to scan it for malware.

  1. We will need to create a HitmanPro Kickstart USB flash drive,so while you are using a “clean” (non-infected) computer, download HitmanPro from the below link.
    HITMANPRO DOWNLOAD LINK (This link will open a download page in a new window from where you can download HitmanPro)
  2. Insert your USB flash drive into your computer and follow the instructions from the below video:
  3. After you have create the HitmanPro Kickstart USB flash drive, you can insert this USB drive into the infected machine and start your computer.
  4. Once the computer starts, repeatedly tap the F11 key (on some machines its F10 or F2),which should bring up the Boot Menu, from there you can select to boot from your USB.
    Next,you’ll need to perform a system scan with HitmanPro as see in the below video:
  5. After HitmanPro Kickstart has completed its task,you should be able to boot in Windows normal mode,from there you’ll need to perform a system scan (as seen on STEP 2) with Malwarebytes Anti-Malware and HitmanPro to remove the malicious files from your machine.

STEP 2: Remove “Uw computer is geblokkeerd” malicious files from your computer

Run a computer scan with Malwarebytes Anti-Malware Free

  1. You can download Malwarebytes Anti-Malware Free from the below link,then double click on it to install this program.
    MALWAREBYTES ANTI-MALWARE DOWNLOAD LINK(This link will open a download page in a new window from where you can download Malwarebytes Anti-Malware Free)
  2. When the installation begins, keep following the prompts in order to continue with the setup process.
    DO NOT make any changes to default settings and when the program has finished installing, make sure you leave both the Update Malwarebytes’ Anti-Malware and Launch Malwarebytes’ Anti-Malware checked,then click on the Finish button.
    [Image: Malwarebytes Anti-Malware final installation screen]
  3. On the Scanner tab,select Perform quick scan and then click on the Scan button to start scanning your computer.
    [Image: Malwarebytes Anti-Malware Quick Scan]
  4. Malwarebytes’ Anti-Malware will now start scanning your computer for “Uw computer is geblokkeerd” virus as shown below.
    [Image: Malwarebytes Anti-Malware scanning for
  5. When the Malwarebytes scan will be completed,click on Show Result.
    [Image: Malwarebytes Anti-Malware scan results]
  6. You will now be presented with a screen showing you the malware infections that Malwarebytes’ Anti-Malware has detected.Please note that the infections found may be different than what is shown in the image.Make sure that everything is Checked (ticked) and click on the Remove Selected button.
    [Image:Malwarebytes removing virus]
  7. After your computer will restart in Normal mode, open Malwarebytes Anti-Malware and perform a Full System scan to verify that there are no remaining threats

Run a computer scan with HitmanPro

  1. Download HitmanPro from the below link,then double click on it to start this program.
    HITMANPRO DOWNLOAD LINK (This link will open a new web page from where you can download HitmanPro)
    IF you are experiencing problems while trying to start HitmanPro, you can use the Force Breach mode.To start HitmanPro in Force Breach mode, hold down the left CTRL-key when you start HitmanPro and all non-essential processes are terminated, including the malware process. (How to start HitmanPro in Force Breach mode – Video)
  2. HitmanPro will start and you’ll need to follow the prompts (by clicking on the Next button) to start a system scan with this program.
    HitmanPro scanner
    HitmanPro installation
  3. HitmanPro will start scanning your computer for “Uw computer is geblokkeerd” malicious files as seen in the image below.
    HitmanPro scans after
  4. Once the scan is complete,you’ll see a screen which will display all the infected files that this utility has detected, and you’ll need to click on Next to remove these malicious files.
    HitmanPro scan results
  5. Click Activate free license to start the free 30 days trial and remove all the malicious files from your computer.
    HitmanPro 30 days activation button

If you are still experiencing problems while trying to remove “Uw computer is geblokkeerd” virus from your machine, please start a new thread in our Malware Removal Assistance forum.

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ABOUT STELIAN PILICI

I am the creator and owner of MalwareTips.com.
My area of expertise includes malware removal and computer forensics. I'm active in the various online anti-malware communities where I do researches for new malware threats as they are released.
I live in Bucharest (Romania), where I run my own local computer repair shop.
I repair both hardware and other operating systems related issues, however most of my business is malware related problems.

You can follow me on Google+ , and I will keep you up-to-date with the latest computer infections and malware threats.

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