Learn about Kook Extension File Virus
Kook Extension File Virus is a ransomware which is famous for its ability of encrypting files. Kook Extension File Virus gets in computer via a sneaky way. It will send you an email marked important. And it will give users an impression that something emergency happens and they should quickly solve it. Also, the subject here will be titled as ” bank bills”. And you will be eager to check your financial conditions. As a result, you activate the installment of this ransomware.
As long as it lands on your PC, it will change the extension of all the files. It would encrypt them by altering their extension name with malicious extension. And then, if you want to read these files, you have to pay them ransom fees and get the exclusive decryption keys. It costs a lot, but the key may not be valid as it claimed.
You should know that Kook Extension File Virus is a product of hacker, and many ransomware cases have proved that the hacker may not provide a useful key for restoring all files. Moreover, if you pay the fees for decryption key, they get funds for their illegal business and they surely will make more ransomware to blackmail you again.
Therefore, we recommend you to solve the problems by removing Kook Extension File Virus totally. When you get rid of the cord files from it, you could have chance to recover your files on the PC if you try legitimate decryption software.
Step 1 – Uninstall malicious programs from Control Panel.
Ransomware may infect your system after you install some malicious programs. To avoid being re-infected, first you should uninstall malicious programs from your computer:
- 1. Press “Windows key + R key” together to open Run window
- 2. Input “control panel” in Run window and hit Enter key to open Control Panel
- 3. Click Uninstall a program:
- 4. Right-click programs which may be related with Kook Extension File Virus and click Uninstall:
Step 2 Find and remove malicious registry entries of Kook Extension File Virus or malicious program.
Note – In case any suspicious files, unwanted program, unwanted browser extension, or unwanted search engine cannot be removed manually, it is often caused by malicious program, which may adds files to registry or make changes in registry . Therefore, to uninstall such stubborn items, you need to find and remove malicious files in the Registry Editor. Check the steps below:
1. Press “Windows key + R key” together to open Run window;
2. Input “regedit” in Run window and hit Enter key to open Registry;
3. Click Edit menu and select Find >> Type virus’s name into it and click Find Next >> Right click on the files and click Delete (Only If you can determine that they are related with malware):
Step 3 Restoring the files encrypted by Kook Extension File Virus.
Do not pay any money to recover your files. Even if you were to pay the ransom, there is no guarantee that you will regain access to your files.
The right way to recover your files is to count on legitimate decryption tools. Here are websites of popular cybersecurity community, you can try the decryption tools shared on their sites:
EmsiSoft Decryptor (Free)
EmsiSoft is working on developing free decryptor for the newest ransomware. Currently it provide user with over 40 free and useful decryptors. Please visit https://decrypter.emsisoft.com/ to find and download the decrypter you need.
3. Trend Micro Decryptor (Free)
Trend Micro Ransomware File Decryptor tool is able to decrypt certain type of ransomware. Visit the download page here to follow its instructions to download and use the decryotor for free.
4. Avast Free Ransomware Decryption Tools
Avast free ransomware decryption tools can help decrypt files encrypted by the many types of ransomware. Go to this Avast page and download the decyptors for the latest ransomware.
5. Kaspersky Free Ransomware Decryptors
Kaspersky russian lab now provides many free decryptors. Visit Kaspersky page here and have a try .
6. NoMoreRansom Decryptors
The No More Ransom Project provides free decryption tools for lots of ransomware. Have a try on these tools at this page: https://www.nomoreransom.org/en/decryption-tools.html