Danger level:  
  (99/100)

CTB Locker virus. How to delete? (Removal tutorial)

removal by Jake Doevan - - | Type: Browser hijacker
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CTB Locker virus: what should you know about this computer threat?

CTB Locker virus, also known as CTB-Locker ransomware, is a malicious computer threat which will put your precious files in danger. This virus has been around since July 2014 and has already hijacked numerous computers worldwide. It works similarly to other viruses of the same category, such as Locky virus, CryptoWall, and CryptoLocker, etc. Once it enters the victim’s computer, it begins scanning it for files and encrypts them using a complex encryption algorithm. After this process is done, the user loses access to its files and will not be able to regain it unless the CTB Locker encryption key is purchased from the virus creators. Because of such illegal profit-making, programs like CTB Locker earn their name as ransom-based malware. If you notice that you cannot reach your files anymore, or they feature an unusual .ctbl extension, you should take action immediately. Scan your system with some reputable antivirus tool, like Reimage to see if your files are truly in danger. In case, your antivirus finds this threat, remove CTB Locker virus from your computer ASAP! You still might be able to save some of your files if you are quick to terminate the threat early in the process.

The example of CTB Locker

CTB Locker does not encrypt your files for fun. Ransom-gathering is the main focus of its developers, so they are trying their best to make this malicious product as widespread as possible. The CTB Locker is usually distributed through infected spam attachments, supposedly featuring some important information. Once the file is opened, the virus immediately begins it malicious processes. The virus may target any of your files, so none of your pictures, videos, music files or other documents are safe. What is more, the decryption key, with which these files may possibly be unlocked is safely stored on a remote server, far from the virus victim’s reach. Also, to make sure all the possible options to retrieve the files are eliminated, this virus deletes the shadow copies of the files so they cannot be restored from the backups, using the Volume Shadow Copy Service. After the files are encrypted, a .txt or HTML file is added to every folder that contains infected documents. In the note, it is explained that the files on the computer have been taken ‘hostage’ and that the computer owner has to pay a considerable amount of money to be able to access them again. Usually, the required sum varies from around $150 or £100. Of course, just like other ransomware viruses, CTB Locker demands it to be paid in BitCoin virtual money. In the ransom note, the victim is also provided several links to the sites where the decryption key can be purchased. Besides, these links lead to an anonymous an anonymous TOR network, which is a perfect platform for the cyber villains to remain incognito. Nevertheless, security experts warn the infected users not to attempt accessing the sites. No matter how valuable your files are, accessing the unreliable sites and transferring money to the cyber criminals to retrieve them can expose you to even more serious scams. Having in mind that there is no decryption tool to unlock your files and money transaction to unreliable criminals is also not an option, the CTB Locker removal is most probably the wisest choice you are left with. Do not hesitate and delete this virus from your computer for good.

How can my computer get infected with this virus and how can I avoid it?

As we already mentioned, CTB Locker is usually distributed through email. The infected attachments are usually sent with a message, claiming that the victim must download the attached file to see some important invoice information, purchase confirmation, etc. In fact, once the infected file is downloaded and opened, the virus infiltrates the system. Another way for this virus to spread is through fake software updates and other pop-up advertisements you may encounter while browsing on unreliable websites. Java or Flash Player are the most common programs features in these fake ads. You have to make sure not to click on them or download the suggested products because otherwise, you may end up with the CTB Locker or any other ransomware virus on your computer.

If you want to avoid this virus from hijacking your computer and stealing your files, there are three fundamental steps to be taken in order to ensure your system is protected.

  1. Do not open emails or download attachments received from suspicious sources. Avoid ‘Spam’ folder because the most of the potentially hazardous email are usually automatically placed in this folder by your email provider’s security filter. Also, do not forget to browse the internet more attentively and do not be tempted by different fake offers you might receive online.
  2. Keep a backup of your files. Keeping your file shadow copies is not enough, since the CTB Locker virus deletes them from your computer, so you have to keep your files in some external storage. You can trust external hard drives, USB drives, CD’s and DVD’s to keep your information safe. However, do not forget to remove the virus from your system entirely before you attempt to recover your files from these external storages.
  3. Finally, obtain a trustworthy antivirus suite. A sophisticated antivirus software will remove the virus from your computer and assist you in fighting back the viruses and other online threats.

CTB Locker removal suggestions:

Sadly, but the CTB Locker removal will not help you to unlock your files. However, it is essential to eliminate this virus from your computer if you want to continue using it. You will need a powerful tool to remove this dangerous virus from your computer. You can use the already mentioned SpyHunter or any other acknowledged antivirus you think you can trust with the safety of your computer. There have been reports that antivirus sometimes does not initiate if the computer is under the CTB Locker’s control. In such case, you can try disconnecting your device from the network or follow our expert-prepared instructions provided below.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Computer security experts recommend using Reimage to uninstall CTB Locker virus. Reimage scans the entire computer system and checks whether it is infected with spyware/malware or not. If you want to remove computer threats and secure your computer system, you should consider buying the licensed version of Reimage.

You can find more details about this program in Reimage review.

You can find more details about this program in Reimage review.
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CTB Locker virus screenshot
CTB Locker virus screenshotCTB Locker virus screenshot

Manual CTB Locker Virus Removal Instructions:

Eliminate CTB Locker using Safe Mode with Networking

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

  • Step 1: Restart your computer in Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Safe Mode with Networking from the list Choose 'Safe Mode with Networking' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Networking from the list of options in Startup Settings. Choose 'Enable Safe Mode with Networking' option
  • Step 2: Remove CTB Locker

    Sign in to your account and launch any Internet browser. Download a legitimate anti-malware software, for instance, Reimage. Make sure you update it to the latest version and then run a full system scan with it to detect and eliminate all malicious components of the ransomware to remove CTB Locker completely.

If your ransomware does not allow you to access Safe Mode with Networking, please follow the instructions provided below.

Eliminate CTB Locker using System Restore

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

  • Step 1: Restart your computer in Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Command Prompt from the list Choose 'Safe Mode with Command Prompt' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Command Prompt from the list of options in Startup Settings. Choose 'Enable Safe Mode with Command Prompt' option
  • Step 2: Perform a system restore to recover files and settings
    1. When the Command Prompt window appears, type in cd restore and press Enter. Type 'cd restore' without quotes and hit 'Enter'
    2. Then type rstrui.exe and hit Enter.. Type 'rstrui.exe' without quotes and hit 'Enter'
    3. In a new window that shows up, click the Next button and choose a restore point that was created before the infiltration of CTB Locker and then click on the Next button again. When 'System Restore' wizard comes up, click 'Next'. Choose a preferable restore point and click 'Next'
    4. To start system restore, click Yes. Hit 'Yes' and start system restore
    After restoring the computer system to an antecedent date, install and check your computer with Reimage to uncover any remains of CTB Locker.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from CTB Locker and other dangerous viruses, you should install and keep a powerful malware removal tool, for instance, Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware.

About the author

Jake Doevan - Do not waste your precious time dealing with computer virus infections alone

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Source: https://www.2-spyware.com/remove-ctb-locker-virus.html

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  • jackie

    Great guide!

  • Dominic

    Oh NO!!! I think I might have downloaded CTB Locker into my PC by accident the other day :((