Remove CryTekk Ransomware Infections
THREAT REMOVAL

Remove CryTekk Ransomware Infections

This article will aid you to remove CryTekk Ransomware. Follow the ransomware removal instructions provided at the end of the article.

CryTekk Ransomware is one that encrypts your data with the .locked extension and demands money as a ransom to get it restored. The CryTekk Ransomware will leave ransomware instructions as text file. Keep on reading the article and see how you could try to potentially recover some of your locked files and data.

Threat Summary

NameCryTekk Ransomware
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files on your computer system with the .locked extension and demands a ransom to be paid to allegedly recover them.
SymptomsThe ransomware will encrypt your files and leave a ransom note with payment instructions.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by CryTekk Ransomware

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Malware Removal Tool

User ExperienceJoin Our Forum to Discuss CryTekk Ransomware.
Data Recovery ToolWindows 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.

CryTekk Ransomware – Distribution Techniques

The CryTekk ransomware is a test release of a new Hidden Tear based malware. It has been identified in an ongoing attack campaign of a limited scope — the captured samples appear to be early test versions. As such the researchers cannot determine which is the primary distribution mechanism. It is possible that the hackers might use several different types in order to find out which would be the most effective.

One of the most successful tactics is to craft phishing SPAM emails impersonating legitimate companies and services that the recipients might be using. By using hijacked elements and layout design they can be coerced into interacting with them. The CryTekk ransomware files can be directly attached or linked in the body contents.

Another possible approach would be to create malicious web sites that impersonate vendor download sites, download portals and marketing landing pages. To coerce the intended targets into visiting them the criminals may use similar sounding domain names and self-signed or stolen security certificates.

The ransomware files can also be spread over BitTorrent and other file-sharing networks as they are a popular outlet for both pirate and legitimate content. All of these methods can additionally be used to spread infected payload carriers that deploy the CryTekk ransomware. These two are one of the most popular ones:

  • Malicious Documents — They are created by embedding the necessary scripts in documents across all popular file formats: rich text documents, spreadsheets, presentations and databases. Whenever they are opened by the victims a prompt will appear asking for them to enable the built-in scripts, if this is done the virus will be installed. The notification will be presented as means to correctly view the document.
  • Application Installers — The hackers behind the CryTekk ransomware can additionally modify installers of legitimate applications across all popular software downloaded by end users: creativity suites, utilities, office and productivity programs and even computer games. This is done by taking the original files and modifying them with the required code.

Larger infections can be done by including the CryTekk ransomware infection code in dangerous browser plugins, alternatively known as hijackers. They will reconfigure the web browser settings as soon as they are deployed on the target systems in order to redirect the targets to a hacker-controlled landing page. Modifications include the default home page, search engine and new tabs page.

CryTekk Ransomware – Detailed Analysis

The security analysis confirms that the threat combines the source code of the Hidden Tear ransomware family along with smaller viruses. This leads us to believe that the criminal or collective behind it are not very experienced. The captured samples are considered early testing releases, it is expected that future versions of it are going to follow the established behavior pattern as exhibited by previous viruses of this malware family.

It is customary that such infections begin with a data harvesting process which is able to acquire information of varied sources. Depending on the exact configuration the information can be categorized into two main groups:

  • Personal Information — It is attributed to the owner of the machine itself by targeting strings that can reveal their identity: their name, email address, location data, interests and any stored account credentials.
  • Machine Identification Data — The engine can additionally create an unique ID associated with every infected machine. It is made by using a built-in algorithm that takes its input values from the installed hardware components, user configuration and operating system environmental conditions.

The collected information can be used for other purposes as well, one of the most common ones is the security bypass of any identified software and services that can block the CryTekk ransomware. The list includes most anti-virus programs, firewalls, debug environments and virtual machine hosts. If configured so the threat can delete itself it is unable to follow this step, this is done intentionally to avoid detection.

When these two processes have completed the associated engine can continue further with other actions. When the virus has penetrated the security of the computer and bypassed the protective services it can overtake complete control of the infected machine. This allows the infection engine to spawn many threads, including ones with administrative privileges. Another common mechanism is to hook up to existing operating system services and third-party applications. This not only allows it to be disguised, but also to spy on the actions of the users.

Some of the most prominent ransomware activities include the following:

  • Windows Registry Modifications — The ransomware has the ability to manipulate the Windows Registry. Modifications to values belonging to the operating system can cause serious performance issues and problems when starting certain services. On the other hand when values used by third-party applications are modified or removed they may quit unexpectedly or not launch at all.
  • Persistent Installation — The CryTekk ransomware can reconfigure the operating system in order to make the virus automatically start once the computer is booted. It will also block access to restore menus and options which renders most manual removal guides non-working.
  • Trojan Connection — The CryTekk ransomware can also deploy a Trojan module which can setup a connection to a certain hacker-controlled server. This will allow the criminals to spy on the users in real-time, download files before and after the encryption has completed and also take control of the machines.
  • Additional Payload Delivery — All other types of malware can be deployed using the made ransomware infections: botnet clients, miners, hijackers and etc.

CryTekk Ransomware – Encryption Process

When the preset behavior pattern has finished running the CryTekk ransomware will start the actual ransomware operations. As it is descended from a Hidden Tear code base it will use a strong cipher (AES) in order to encrypt target user data based on a built-in list of target extensions. An example one would be the following:

  • Archives
  • Databases
  • Backups
  • Configuration Files
  • Images
  • Music
  • Videos

The victim files will be renamed with the .locked extension, the associated ransomware note will also be placed on the desktop and in various locations, including user folders.

Remove CryTekk Ransomware and Try to Restore Data

If your computer system got infected with the CryTekk ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

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Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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Windows Mac OS X

How to Remove CryTekk Ransomware from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove CryTekk Ransomware

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall CryTekk Ransomware 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:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by CryTekk Ransomware on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by CryTekk Ransomware there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
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.

IMPORTANT!
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.

Step 4: Scan for CryTekk Ransomware with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by CryTekk Ransomware.

Ransomware infections and CryTekk Ransomware 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.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

If the above link does not work for you and your region, try the other two links below, that lead to the same product:

and

2. On the download page, click on the "Download" button:

3. Click on "Save File" button:

4. Accept all agreements and click "Next":

5. After all the "Next" steps, click on "Install" and then wait for the installation to complete:

6. Run the software. Click on the location to scan for missing or deleted files and click on "Scan":

7. Wait for the scan to complete, it may take some time. Be advised that this scan is not 100% guaranteed to recover all files, but it does have some chance to get your data back:


Windows Mac OS X

Get rid of CryTekk Ransomware from Mac OS X.


Step 1: Uninstall CryTekk Ransomware and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to CryTekk Ransomware:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to CryTekk Ransomware. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to CryTekk Ransomware. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove CryTekk Ransomware 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:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as CryTekk Ransomware. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Step 2: Scan for and remove CryTekk Ransomware files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as CryTekk Ransomware, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.


Step 3 (Optional): Try to Restore Files Encrypted by CryTekk Ransomware on your Mac.

Ransomware for Mac CryTekk Ransomware aims to encode all your files using an encryption algorithm which may be very difficult to decode, unless you pay money. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files, but only in some cases. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery Mac app by clicking on the link underneath:

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