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.cfk and .lfk File Virus (Decrypt Your Files)

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Article created to help you remove the .cfk and .lfk ransomware virus and hopefully restore your files In case they have been encrypted by it.

A ransomware infection has appeared using the .cfk or .lfk file extensions in it. The virus has been reported to replace the data on the important computer with encryption, making it inaccessible. This is done with the one and only purpose of getting the victim to pay 1 BTC ransom fee to get the files back. This form of online extortion is becoming increasingly common. In case you have become a victim of the .cfk or .lfk file extension virus, we recommend you to read the following article carefully.

Threat Summary

Name

.cfk and .lfk Virus

TypeRansomware
Short DescriptionThe malware encrypts users files using a strong encryption algorithm, making direct decryption possible only via a unique decryption key available to the cyber-criminals.
SymptomsThe user may witness ransom notes and “instructions” linking to a web page and a decryptor. Changed file names and the file-extension .cfk and .lfk have been used.
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by .cfk and .lfk Virus

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User ExperienceJoin our forum to Discuss .cfk and .lfk Virus.
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.

How Is .cfk and .lfk Ransomware Spread

In order for it to infect computers, this ransomware virus may utilize different techniques. The techniques may vary from using different fake installers downloaded by the victim from untrusted websites to the files directly infecting the user by a malicious browser redirect.

The most common method of infection remains to be the e-mail spam messages sent together with malicious e-mail attachments. These attachments are either fake documents or e-mail attachments that are related to multiple scripts and executable files. The e-mails are often accompanied via a deceitful message to convince the user to open the attachment in the archive:

.cfk and .lfk File Virus – More Information

As soon as infection by the .cfk and .lfk virus has been initiated, the ransomware begins to drop multiple malicious files on the User PC. These files may be located in multiple Windows folders:

  • %AppData%
  • %Temp%
  • %Local%
  • %Roaming%
  • %Startup%
  • %SystemDrive%

After being dropped, the files may be automatically activated and the infection will begin with the encryption of important files. Amongst the affected files may be many, some of which might be important:

  • Documents.
  • Image files.
  • Audio files.
  • Video files.
  • Microsoft Office Files.
  • Adobe PDF files.
  • Archives.
  • Other important files.

The encryption process is very fast and the files become no longer openable after encryption. In addition to them are the .cfk and .lfk file extensions and they may appear like the following:

After the encryption has been completed, this ransomware virus adds the following ransom note(source: pastebin):

=================================================================================================

“ASSISTANCE_IN_RECOVERY”

————————————————————————————————-

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Follow 3 Steps in Exact Order <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ================================================================================================= 1. In case if you don't already have, Register/Create a BitCoin Wallet. 2. Send 1.00 BTC ( One Bitcoin ) to the following BitCoin Address: ---------------------------------- 1Mpc5ue2ipnszV3ifgDzum1SyP4SyqJgmr ---------------------------------- 3. Send confirmation to the following E-mail address: ------------------------- [email protected] ------------------------- * Mail Subject - "Ref#_6a286d5b5332" --------------- * Mail Content - "4 lines of text" --------------- Line 1: "Ref#_6a286d5b5332" - Your Reference Number - Must match with "Mail Subject" Line 2: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" - Sender/Sent from - Your BitCoin Address Line 3: "1Mpc5ue2ipnszV3ifgDzum1SyP4SyqJgmr" - Receiver/Sent to - Our BitCoin Address Line 4: "1.00 BTC" - 1 Bitcoin - Service Charge ================================================================================================= * After verification process ( Confirmed, as Paid by our 3rd party provider ) is completed, decription software and unique key will be E-mailed to you without delays.

Remove .cfk and .lfk Ransomware and Restore Encrypted Files

For the removal of this ransomware infection, recommendations are to follow the removal instructions below. They are created to help you remove the virus methodologically from your computer. For maximum effectiveness during removal, however, advices are to download and scan your computer with an advanced anti-malware program. It will make sure to remove the ransomware automatically from your computer.

For the restoration of the encrypted files, we recommend backing them up first and trying the recovery methods of step “2. Restore files encrypted by .cfk and .lfk virus” with copies of the encrypted files. These methods are in no way fully effective but they may help with at least some of your files.

Note! Your computer system may be affected by .cfk and .lfk Virus and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as .cfk and .lfk Virus.
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.

To remove .cfk and .lfk Virus follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove .cfk and .lfk Virus files and objects
2. Find files created by .cfk and .lfk Virus on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by .cfk and .lfk Virus

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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