CryptoLuck ransomware virus. How to remove? (Uninstall guide)

removal by Ugnius Kiguolis - -   Also known as Luck ransomware | Type: Ransomware
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What are the worst qualities of the CryptoLuck ransomware?

CryptoLuck virus attack or any other ransomware infection is probably the worst thing that can happen to your computer and personal files stored on it. Such viruses lock data on the infected computers using military-grade AES and RSA algorithms. This means that while files are encrypted using the public key, they can only be decrypted with a private one. Like most crypto-ransomware, CryptoLuck keeps this key on a remote server and demands the locked computer owner to pay for the renewed access to his/her data. Frankly, there is no luck in getting your computer compromised by this fraudulent virus. Thus, you must react immediately after you notice some signs indicating the infection and remove CryptoLuck from your computer before it triggers any more damage. Of course, we do not recommend fighting the virus on your own. Instead, we highly suggest obtaining a professional antivirus utility, for instance Reimage, and using it to scan the infected system automatically. This powerful anti-malware tool should locate all of the virus components and delete them from your computer.

Image of the CryptoLuck virus

CryptoLuck (alternatively known simply as Luck) is, in fact, a family of viruses which involves a number of other ransom-based parasites, including the latest Luck virus version, YafunnLocker. Looking at the initial setup of the CryptoLuck ransomware itself you cannot overlook its close resemblance to the already defunct ransomware giant CryptoLocker. The ransom note and the warning that is placed on the desktop are almost identical. Naturally, there are some alterations in the content of the message that the hackers choose to deliver. The title of the ransom note is also different. Now, it is titled as @WARNING_FILES_ARE_ENCRYPTED.[victim_id].txt and features the infected computer’s identification number using which, the encrypted data should supposedly be decrypted. In the note itself, virus developers demand 2.1 bitcoin (1,500 USD) to be paid within 3 days after receiving the ransom note. They also claim that after the given time runs out, the private data decryption key will be destroyed and the data will remain permanently encrypted. The example of this ransom note can be seen below:

A T T E N T I O N !

YOUR PERSONAL FILES ARE ENCRYPTED!
PERSONAL ID: [random_string_of_characters]
Your important files encryption produced on this computer: photos, videos, documents, etc. Encryption was produced using a unique public key RSA-2048 generated for this computer. To decrypt files you need to obtain the private key.
If you see this text but don’t see Decryptor Wizard window – please, disable any Firewalls and antivirus products, and download Decryptor Wizard on this URL:
http://dropmefiles.com/304718
You have 72 hours for payment.
After this time the private key will be destroyed.

For more info and support, please, contact us at this email address:
YAFUNN@YAHOO.COM

What the hackers don’t mention in the note is that the encrypted files on the computer will also be appended with the the .[victim_id]_luck extension. This way, the affected documents, archives, pictures and other files can be easily distinguished from the unaffected ones. By their insisting manner, the hackers also want to conceal the fact that you have other options and not necessarily have to pay for the locked files. In fact, you can carry out CryptoLuck removal and recover some of the encrypted data using alternative data recovery techniques which we introduce just below the article.

Ransomware distribution techniques and prevention

CryptoLuck is malvaretised through the RIG-E exploit kit which is growing in popularity and is adopted by such major players as Locky virus. Usually, the users get hooked on malicious virus-carrying ads that are displayed on some unreputable websites. Such ads allow the malicious payload to be automatically downloaded to the computer. It is especially concerning that CryptoLuck can also infect victims by corrupting the legitimate Google Updates and by hijacking DLL networks. The techniques ransomware developers use to infect our devices will only advance. So, it probably more important to concentrate not on fighting them off, but on securing our personal data. For this purpose, you should keep backups of your important files and renew them regularly.

CryptoLuck ransomware virus removal guide:

If you are still considering whether to pay the hackers or not, do not hesitate any longer. Refuse their vile offer and head straight to the CryptoLuck removal. In order to do that, scan your device with Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. Do not worry if you cannot get your antivirus utility running — it is just a trick CryptoLuck virus uses to remain on your computer longer. This resistance can be curbed with the use of instructions we provide below. After completing these steps, you should be able to remove CryptoLuck successfully.

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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.
Reimage is recommended to uninstall CryptoLuck ransomware virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual CryptoLuck virus Removal Guide:

Remove CryptoLuck using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove CryptoLuck

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete CryptoLuck removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove CryptoLuck using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of CryptoLuck. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that CryptoLuck removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove CryptoLuck from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by CryptoLuck, you can use several methods to restore them:

Data Recovery Pro technique

Data Recovery Pro is a professional tool which can be used to recover data encrypted by ransomware infections, accidentally deleted or corrupted in some other way. This techniques does not require any additional preparation, so you only have to obtain the software and run it. Brief guidelines below will explain how to do it.

Windows Previous Versions feature technique

Windows Previous Versions feature only works if System Restore function has been enabled before CryptoLuck appeared on your computer. It will also not recover your whole system. But if you are trying to retrieve a couple of your most important documents, Windows Previous Versions feature might be exactly what you are looking for.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

ShadowExplorer technique

ShadowExplorer is a software that can be used if the virus has not destroyed Volume Shadow Copies on your computer yet. Steps below show how to use this software properly.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from CryptoLuck and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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