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| Name | Trojan.Cryptolocker |
| Type | Ransomware, Trojan |
| Short Description | May encrypt important files and give decryption keys upon paying ransom which is usually financial compensation. |
| Symptoms | Appearing of different objects in various user folders or the Desktop or on startup. Files encoded with unfamiliar extensions |
| Distribution Method | Spam mails. MiTM attacks, malicious redirects. |
| Detection tool | Download SpyHunter, to See If Your System Has Been Affected By Trojan.Cryptolocker |
| Data Recovery Tool | Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive. |
Trojan.Cryptolocker also named Trojan.Gpcoder.H, CryptLocker.B, Trojan:Win32/Crilock.A, TROJ_CRILOCK.NS, Trojan.Ransomcrypt.F is an extremely devastating trojan horse that is reported to encrypt user files to extort them for money in return for a decryption key. This vicious threat may infect user PCs in several different ways, and IT security experts recommend to disconnect immediately your computer if you see any messages, saying your files have been encrypted.
Trojan.Cryptolocker Description
This particular trojan horse has many different variants, some of which are .E, .N, .F, .P, .W, .U, .R, .V. They are all very similar to each other, mainly in the sense that they encrypt user files. In one particular case of variant .P, the current objects associated with this trojan were found:
→ C:\Users\
C:\Users\
C:\Users\
C:\Users\AppData\Local\Temp\winstore.log
HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run
The ‘PacMan.exe’ file is probably the one that was used to initiate the infection. It is most likely sent directly to the user via email, messengers or straight inserted with a USB stick on the computer. It may also feature a crypter patch with countermeasures against detection of the app by some antivirus programs. Once opened, pacman.exe may have scripts (pre-programmed actions) that move it after its opening and hide it from the user. One moment you click on it and in the other – poof and it’s gone. More so some of the actions it is programmed to do is create other files that may be scheduled to scan the computer every hour for new files and encrypt them. This is why it is recommended to remove this program from your computer by using an advanced anti-malware program fast.
How Did I Become Infected?
There are several means of distribution for this Trojan. Some of them are mainly connected with the direct execution of the file by another individual on the PC. Another method is a redirect by an adware PUP (Potentially Unwanted Program) on your computer. Such PUP programs are notorious for bringing up annoying pop-ups, with flashy messages along with pictures, saying ‘Play Now’, ‘Your computer has been infected’ or any other scamming attempts to make you click on their links. There was one particular redirect that said ‘Your Java needs an update’ and with only one ‘Ok’ button on it, which after clicked on, begun downloading malware on the computer.
Either way experts advise if you see this threat to disconnect immediately your computer from the web and download an anti-malware program from a safe device to install it on the affected PC.
How To Remove Trojan.Cryptolocker?
There are many methods for the removal of this Trojan, but an expert advice is to do it in a safe offline mode or to boot live OS USB or CD. It is a standalone operating system that does not allow Trojan.Lockscreen to operate and isolates the threat. Regarding the files, it is recommended to do a backup first. Always use an external memory carrier and always make more than one copy of your important files in case something happens. For best results, you should follow the removal manual below and download a particular anti-malware program that will scan and remove anything out of the ordinary.
Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter
1. Start Your PC in Safe Mode to Remove Trojan.Cryptolocker.
For Windows XP, Vista, 7 systems:
1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu.
2. Select one of the two options provided below:
– For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.
– For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.
3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.
4. Log on to your computer using your administrator account
While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.
For Windows 8, 8.1 and 10 systems:
Step 1: Open the Start Menu
Step 2: Whilst holding down Shift button, click on Power and then click on Restart.
Step 3: After reboot, the aftermentioned menu will appear. From there you should choose Troubleshoot.
Step 4: You will see the Troubleshoot menu. From this menu you can choose Advanced Options.
Step 5: After the Advanced Options menu appears, click on Startup Settings.
Step 6: Click on Restart.
Step 7: A menu will appear upon reboot. You should choose Safe Mode by pressing its corresponding number and the machine will restart.
2. Remove Trojan.Cryptolocker automatically with Spy Hunter Malware – Removal Tool.
To clean your computer with the award-winning software Spy Hunter –
It is highly recommended to run a system scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter.
Trojan.Cryptolocker – How To Protect Your Files?
In case you have seen ransomware attacks, you might want to back up your data. To perform this action, you should guide yourself by the after mentioned manual.
Security engineers recommend that you back up your files immediately, preferably on an external memory carrier in order to be able to restore them. In order to protect yourself from Trojan.Cryptolocker (For Windows Users) please follow these simple instructions: As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources. How to recognize trustworthy sources: Step 1: Boot Your PC In Safe Mode to isolate and remove Trojan.Cryptolocker Step 2: Uninstall Trojan.Cryptolocker and related software from Windows Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that: Step 3: Clean any registries, created by Trojan.Cryptolocker on your computer. The usually targeted registries of Windows machines are the following: You can access them by opening the Windows registry editor and deleting any values, created by Trojan.Cryptolocker there. This can happen by following the steps underneath: Step 4: Scan for Trojan.Cryptolocker with SpyHunter Anti-Malware Tool Step 5 (Optional): Try to Restore Files Encrypted by Trojan.Cryptolocker. Ransomware infections and Trojan.Cryptolocker aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations. Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool. Step 1: Uninstall Trojan.Cryptolocker and remove related files and objects In case you cannot remove Trojan.Cryptolocker via Step 1 above: In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below: You can repeat the same procedure with the following other Library directories: → ~/Library/LaunchAgents Tip: ~ is there on purpose, because it leads to more LaunchAgents. Step 3 (Optional): Try to Restore Files Encrypted by Trojan.Cryptolocker. Ransomware infections and Trojan.Cryptolocker aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations. Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool. Trojan.Cryptolocker is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files. Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back. Via several ways.Trojan.Cryptolocker Ransomware infects computers by being sent via phishing e-mails, containing virus attachment. This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users. After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus. Another way, you may become a victim of Trojan.Cryptolocker is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents. You can't. At this point the .Trojan.Cryptolocker files are encrypted. You can only open them once they are decrypted. Do not panic and backup the files. If a decryptor did not decrypt your .Trojan.Cryptolocker files successfully, then do not despair, because this virus is still new. One way to restore files, encrypted by Trojan.Cryptolocker ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released. Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Trojan.Cryptolocker files. These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater. The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate Trojan.Cryptolocker ransomware and then remove it without causing any additional harm to your important .Trojan.Cryptolocker files. Also, keep in mind that viruses like Trojan.Cryptolocker ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future. There is still a lot you can do. If none of the above methods seem to work for you, then try these methods: More tips you can find on our forums, where you can also asks any questions about your ransomware problem. In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer. Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime: Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world: Reports may be responded to in different timeframes, depending on your local authorities.
For Windows 7 and earlier:
1-Click on Windows Start Menu
2-Type Backup And Restore
3-Open it and click on Set Up Backup
4-A window will appear asking you where to set up backup. You should have a flash drive or an external hard drive. Mark it by clicking on it with your mouse then click on Next.
5-On the next window, the system will ask you what do you want to backup. Choose the ‘Let Me Choose’ option and then click on Next.
6-Click on ‘Save settings and run backup’ on the next window in order to protect your files from possible attacks by Trojan.Cryptolocker.
For Windows 8, 8.1 and 10:
1-Press Windows button + R
2-In the window type ‘filehistory’ and press Enter
3-A File History window will appear. Click on ‘Configure file history settings’
4-The configuration menu for File History will appear. Click on ‘Turn On’. After its on, click on Select Drive in order to select the backup drive. It is recommended to choose an external HDD, SSD or a USB stick whose memory capacity is corresponding to the size of the files you want to backup.
5-Select the drive then click on ‘Ok’ in order to set up file backup and protect yourself from Trojan.Cryptolocker.
Enabling Windows Defense Feature:
1- Press Windows button + R keys.
2- A run windows should appear. In it type ‘sysdm.cpl’ and then click on Run.
3- A System Properties windows should appear. In it choose System Protection.
5- Click on Turn on system protection and select the size on the hard disk you want to utilize for system protection.
6- Click on Ok and you should see an indication in Protection settings that the protection from Trojan.Cryptolocker is on.
Restoring a file via Windows Defense feature:
1-Right-click on the encrypted file, then choose Properties.
2-Click on the Previous Versions tab and then mark the last version of the file.
3-Click on Apply and Ok and the file encrypted by Trojan.Cryptolocker
Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
How to Remove Trojan.Cryptolocker from Windows.
Follow the instructions above and you will successfully uninstall most programs.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Get rid of Trojan.Cryptolocker from Mac OS X.
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
/Library/LaunchDaemons
Trojan.Cryptolocker FAQ
What is Trojan.Cryptolocker ransomware and how does it work?
How does Trojan.Cryptolocker ransomware infect my computer?
How to open .Trojan.Cryptolocker files?
Decryptor did not decrypt my data. What now?
How Do I restore ".Trojan.Cryptolocker" files (Other Methods)?
How do I get rid of Trojan.Cryptolocker ransomware virus?
What to Do If nothing works?
How to Report Ransomware to Authorities?
