Remove KCTF Locker Cryptovirus - Restore .DWG Files
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Remove KCTF Locker Cryptovirus – Restore .DWG Files

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This article will aid you to remove KCTF Locker cryptovirus absolutely. Follow the ransomware removal instructions provided at the end of the article.

KCTF Locker is a cryptovirus or at least was designed as such. A note is left with it that states it is made for a CTF cybersecurity competition. That may not be the truth, or even if it is so, criminals might get hold of the ransomware and use it for evil deeds. The virus encrypts your files and demands money as a ransom to get your files restored. Files will receive the .DWG extension appended to them. The KCTF Locker ransomware will leave a ransom note message inside a window demanding paying a ransom fee. The ransomware seems to be of the lockscreen variety. Keep on reading the article and see how you could try to potentially recover some of your locked files.

Threat Summary

NameKCTF Locker
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files by placing the .DWG extension to encrypted files 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 inside a small window screen.
Distribution MethodSpam Emails, Email Attachments
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User ExperienceJoin Our Forum to Discuss KCTF Locker.
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.

KCTF Locker Cryptovirus – Delivery Techniques

The KCTF Locker ransomware might deliver its payload via various techniques. A payload dropper which initiates the malicious script for this ransomware is being spread around the World Wide Web, and researchers have gotten their hands on a malware sample. If that file lands on your computer system and you somehow execute it – your computer system will become infected.

In the below screenshot you can view the detection of the KCTF Locker payload file made on the VirusTotal service:

Freeware which is found on the Web can be presented as helpful also be hiding the malicious script for the cryptovirus. Refrain from opening files right after you have downloaded them. You should first scan them with a security tool, while also checking their size and signatures for anything that seems out of the ordinary. You should read the tips for preventing ransomware located at the corresponding forum thread.

KCTF Locker Cryptovirus – Technical Information

KCTF Locker is a virus that encrypts your files and opens a ransom note, with instructions inside it, about the compromised computer machine. The extortionists want you to pay a ransom fee for the alleged restoration of your files.

KCTF Locker ransomware might make entries in the Windows Registry to achieve persistence, and could launch or repress processes in a Windows environment. Such entries are typically designed in a way to start the virus automatically with each boot of the Windows Operating System.

After encryption the KCTF Locker virus shows the following ransom message with instructions on a small window screen:

The ransom message is written in Japanese and states:

あなたのデ一夕は暗号化されま した。
復元 したければ、 以下にー10BTC払つ て 〈 ださい
3AmD4gsD9kUe7GEvNra6gNm2ALBF9KrLzv

The note translated into English has the following contents:

Your data was encrypted.
If you want to restore, please give me 10 BTC below
3AmD4gsD9kUe7GEvNra6gNm2ALBF9KrLzv

The note of the KCTF Locker ransomware virus states that your files are encrypted. You are demanded to pay “10 Bitcoin” to allegedly restore your files. However, you should NOT under any circumstances pay any ransom sum. Your files may not get recovered, and nobody could give you a guarantee for that. Adding to that, giving money to cybercriminals will most likely motivate them to create more ransomware viruses or commit different criminal activities. That may even result to you getting your files encrypted all over again after payment.

KCTF Locker Cryptovirus – Encryption Process

The encryption process of the KCTF Locker ransomware rather simple – every file that gets encrypted will become simply unusable. Files will get the .DWG extension after being locked. Some malware researchers state that the ransomware has a lockscreen function used when the Update window is shown or the one with the ransom payment instructions.

A list with the targeted extensions of files which are sought to get encrypted is currently unknown. However, if the list becomes available, the article will get updated accordingly.

The files used most by users and which are probably encrypted are from the following categories:

  • Audio files
  • Video files
  • Document files
  • Image files
  • Backup files
  • Banking credentials, etc

The KCTF Locker cryptovirus could be set to erase all the Shadow Volume Copies from the Windows operating system with the help of the following command:

→vssadmin.exe delete shadows /all /Quiet

In case the above-stated command is executed that will make the effects of the encryption process more efficient. That is due to the fact that the command eliminates one of the prominent ways to restore your data. If a computer device was infected with this ransomware and your files are locked, read on through to find out how you could potentially restore some files back to their normal state.

Remove KCTF Locker Cryptovirus and Restore .DWG Files

If your computer system got infected with the KCTF Locker 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.

Note! Your computer system may be affected by KCTF Locker 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 KCTF Locker.
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 KCTF Locker follow these steps:

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

IMPORTANT!
Before starting the Automatic Removal below, 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.

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 KCTF Locker
Tsetso Mihailov

Tsetso Mihailov

Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.

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