CTB Locker Decrypt And Removal

The encrypted files may not be the only damage done to you. parasite may still be hiding on your PC. To determine whether you've been infected with ransomware, we recommend downloading SpyHunter.

Download SpyHunter Anti-Malware

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

This page aims to help you remove CTB Locker. These CTB Locker removal instructions work for all versions of Windows. Questions how to “CTB locker rimuovere” “CTB locker verwijderen” and “CTB locker decrypt” have been steadily piling up in our inbox, signifying this ransomware is predominantly spread throughout Europe.

CTB Locker is a Ransomware application. This is type of malicious software that has been steadily becoming more and more common in recent years. Universally feared and despised Ransomware is characteristic for it encrypts the user’s personal files rendering them practically useless. Then a ransom is demanded for a decryption key – thus the name Ransomware.

ctb locker rimuovere

How CTB Locker operates?

Ransomware applications in general utilize other forms of malicious software to infiltrate the victim’s computer. More likely than not the malware is in fact a backdoor Trojan horse. On that note you should definitely scan your device for other potential threats once you’ve dealt with CTB Locker. There’s a type of Ransomware that locks up your screen and uses scare tactics to make victims pay but does not encrypt user’s files. Unfortunately you are not dealing with this type but another that represents a far bigger challenge. Once inside this type of ransomware will begin complying an extensive list of your files in order to determine the ones that have been most often accessed and modified, i.e. your favorite files. Once that’s done the encryption will begin and soon your files will be replaced with copies that end up with a strange extension, rendering them completely inaccessible and unmodifiable. As if that’s not enough evidence, an explanatory message gets posted on your desktop, with instructions how you can get a decryption key.

At that point you are not left with much of a choice. You can either pay the ransom – something we feel strongly against and consider to be a completely last resort measure, or hope that someone breaks this encryption and shares it online. That is not impossible but not very likely, yet we feel it is a better option than allowing to be extorted. You can of course, and we hope you do, choose to try our method for getting your information back. While it is by no means a safe bet that it will be a success, at the very least you will not make things worse, something that is entirely probably if you choose to send money to cyber criminals.

How were you infected with CTB Locker?

It is a perfectly safe assumption that a Trojan horse virus was used to sneak CTB Locker behind your defenses. If you are wondering how you got the Trojan – through compromised executable files, downloaded and installed on your computer, albeit involuntarily, by none other than you.

  • E-mails have been used for fraud attempts and malware spreading for a long time. Be careful even if the e-mail seems to have been sent by a legitimate looking company or institution and always scan any attachments before trying to open them.
  • If you are using torrents or other forms of file sharing be extremely careful before and after downloading any files, especially if they contain an .exe extension. What we mean by before and after – before downloading a torrent file be sure to check if the file has been uploaded by a trusted uploader (although that is by no means a guarantee for safety) and after the download and before opening it be sure to thoroughly scan the file(s).
  • If you have an error for a missing or corrupted .dll file be mindful to look for a solution online. And by solution we mean information about your problem. Do not download a .dll file from some website that you have never been to. This is a surefire way to get a nasty malware surprise, most likely a Trojan horse.


Name CTB Locker
Type Ransomware
Danger Level High.
Symptoms You have found your files encrypted and a ransom demand awaiting.
Distribution Method Always other backdoor malware, most likely a Trojan.
Detection Tool

1: Enter Safe Mode.
2: Remove CTB Locker from your system.
3: Permanently delete CTB Locker from Task Manager’s processes.
4: Uninstall the virus from Regedit.

CTB Locker Decrypt And Removal

Things readers are interested in:


Reboot in Safe Mode (use this guide if you don’t know how to do it).

This is the first preparation.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

The first thing you must do is Reveal All Hidden Files and Folders.

  • Do not skip this. CTB Locker may have hidden some of its files.

Hold the Start Key and R copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Open the Start Menu, type “Control Panel” in the search box —> Enter. Network and Internet —> Network and Sharing Center —> Change Adapter Settings. Right-click your Internet connection —> Properties.

In Networking, left click Internet Protocol Version 4 —> Properties. If everything is normal, your window will look like the picture below. If it doesn’t, click on the two “automatic” choices. NOTE: If you are in a domain network (check here if you don’t know what that is), contact your Domain Administrator so he can make these settings, or this may break your Internet Connection.

DNS Settings

Type msconfig in the search field and hit enter. A window will pop-up:


Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.


Press CTRL + SHIFT + ESC simultaneously. Go to the Processes Tab. Try to determine which ones are a virus. Google them or ask us in the comments.


It is very important to stop for a minute and read this through. You have reached a point where an important decision is to be made. You can stop now but that means you would not have rid yourself of CTB Locker completely and unequivocally. Or you can continue with the last part of our removal instructions. It seems like an easy decision, but in fact it is not. These last few steps are difficult and hard to properly execute for inexperienced users. Any failure on your part may lead to very serious and significant damage dealt to your system. You should only continue if you are willing to take such risks. If not there’s yet another option for you – downloading and installing a professional scanner and remover. Remember you are not only battling with the Ransomware here, more than likely a Trojan horse is present as well.



Right click on each of the virus processes separately and select Open File Location. Also, End the process after you open the folder. Just to make sure we don’t delete any programs you mistakenly took for a virus, copy the folders somewhere, then delete the directories you were sent to.


Type Regedit in the windows search field and press Enter. Once inside, press CTRL and F together and type the virus’s Name.

Search for the ransomware in your registries and delete the entries. Be extremely careful – you can damage your system if you make a big mistake.

Type each of the following in the Windows Search Field:

  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%

Delete everything in Temp. The rest just check our for anything recently added. Remember to leave us a comment if you run into any trouble!


How to Decrypt files infected with CTB Locker

There is only one known way to remove this virus successfully – reversing your files to a time when they were not infected. There are two options you have for this:

The first is a full system restore. To do this type System Restore in the windows search field and choose a restore point. Click Next until done.

system restore_opt

Your second option is a program called Shadow Volume Copies.

Open the Shadow Explorer part of the package and choose the Drive (C or D usually) you want to restore information from. Right click on any file you want to restore and click Export on it.

If the removal guide helps you, remember: a thank you in the comments goes a long way to warm our hearts!

Leave a Comment