What is FilesLocker v2.0 ransomware? And how does it carry out its attack?

FilesLocker v2.0 ransomware is a file-encrypting malware that happens to be a new variant of FilesLocker ransomware which was first released on October 2018. And now it seems that its developers decided to modify the crypto-malware to create an improved variant, hence, FilesLocker v2.0 ransomware. It still uses the same encryption algorithm in locking files which is AES although the extension it now uses is a different one,”.[[email protected]]”.
Once it carries out its attack, FilesLocker v2.0 ransomware will drop its malicious payload in the system, “Installer.exe”, which obviously is disguised as an installer for some program. After this malicious payload is executed, FilesLocker v2.0 ransomware gets installed in the system. It then connects the infected computer to a remote Command and Control server where it downloads its other components and places them on system folders. These malicious components are used for the data gathering and stealth protection modules. In the first module, it collects data in the system which is used for the second module. The stealth protection module scans the computer for strings of security and antivirus programs installed in the system and when it finds them, the crypto-malware either disables them or removes them. After that, it creates modifications in the Windows Registry to allow it to run automatically on every system boot. Following these system changes, FilesLocker v2.0 ransomware will start the encryption using the AES cipher and appends the “.[[email protected]]” extension to the affected files. Once the encryption is completed, it opens a program window which contains the following ransom note:
“FilesLocker v2.0
All your important files are encrypted!
#What happened?
All your important files(database,documents,images,videos,music,etc.)have been encrypted!and only we can decrypt!
To decrypt your files,you need to buy the decryption key from us.We are the only one who can decrypt the file for you.
Trying to reinstall the system and decrypting the file with a third-party tool will result in file corruption,which means no one can decrypt your file.(including us),if you still try to decrypt the file yourself,you do so at your own risk!
#Test decryption!
As a proof,you can email us 3 files to decrypt,and we will send you the recovered files to prove that we can decrypt your files.
#How to decrypt?
1.Buy 0.15 Bitcoin
2.Send 0.15 Bitcoin to the payment address
3.Email your ID to us,after verification,we will create a decryption tool for you.
Remember,bad things have happened,now look at your determination and action!”
How does FilesLocker v2.0 ransomware proliferate?
FilesLocker v2.0 ransomware proliferates the same way as its predecessor which is via malicious spam email campaign. Creators attach a malicious executable file (Installer.exe) in emails and send them to targeted users or random users using spam bot.
Follow the removal instructions laid out below to eliminate FilesLocker v2.0 ransomware from your computer.
Step 1: Reboot your computer and boot it into Safe Mode with Command Prompt by pressing F8 a couple of times until the Advanced Options menu appears.

Step 2: Navigate to Safe Mode with Command Prompt using the arrow keys on your keyboard. After selecting Safe Mode with Command Prompt, hit Enter.
Step 3: After loading the Command Prompt type cd restore and hit Enter.

Step 4: After cd restore, type in rstrui.exe and hit Enter.

Step 5: A new window will appear, and then click Next.

Step 6: Select any of the Restore Points on the list and click Next. This will restore your computer to its previous state before being infected with the FilesLocker  v2.0 Ransomware. A dialog box will appear, and then click Yes.

Step 7: After System Restore has been completed, try to enable the disabled Windows services.

  1. Press Win + R keys to launch Run.
  2. Type in msc in the box and press Enter to open Group Policy.
  3. Under Group Policy, navigate to:
    1. User Configuration\Administrative Templates\System
  4. After that, open Prevent access to the command prompt.
  5. Select Disable to enable cmd
  6. Click the OK button
  7. After that, go to:
    1. Configuration\Administrative Templates\System
  8. Double click on the Prevent Access to registry editing tools.
  9. Choose Disabled and click OK.
  10. Navigate to :
    1. User Configuration\Administrative Templates\System>Ctrl+Alt+Del Options
  11. Double click on Remove Task Manager.
  12. And then set its value to Disabled.

Step 8: Open Task Manager by pressing Ctrl + Shift + Esc at the same time. Proceed to the Processes tab and look for the malicious processes of FilesLocker v2.0 ransomware such as Installer.exe, SF.exe, TR.exe or BLACKROUTER.exe and end them all.

Step 9: Open Control Panel by pressing Start key + R to launch Run and type appwiz.cpl in the search box and click OK to open the list of installed programs. From there, look for FilesLocker  v2.0 ransomware or any malicious program and then Uninstall it.

Step 10: Tap Windows + E keys to open the File explorer then navigate to the following directories and delete the malicious files created by FilesLocker v2.0 ransomware such as #DECRYPT MY FILES # .txt, # 解密 文件 # .txt, Windows update.exe, 5b88484028ab1.pnq, Installer.exe and other suspicious-looking files.

  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop
  • %TEMP%

Step 11: Close the File Explorer.
Before you proceed to the next steps below, make sure that you are tech savvy enough to the point where you know exactly how to use and navigate your computer’s Registry. Keep in mind that any changes you make will highly impact your computer. To save you the trouble and time, you can just use [product-name] this system tool is proven to be safe and excellent enough that hackers won’t be able to hack into it. But if you can manage Windows Registry well, then by all means go on to the next steps.
Step 12: Tap Win + R to open Run and then type in regedit in the field and tap enter to pull up Windows Registry.

Step 13: Navigate to the paths listed below and delete all the registry values added by FilesLocker v2.0 ransomware.

  • HKEY_CURRENT_USER\Control Panel\Desktop\
  • HKEY_USERS\.DEFAULT\Control Panel\Desktop\
  • 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

Step 14: Close the Registry Editor and empty your Recycle Bin.
You have to continue the FilesLocker v2.0 ransomware removal process using a reliable program like [product-name] once you’re done with the steps given above. How? Follow the advanced removal steps below.
Perform a full system scan using [product-code]. To do so, follow these steps:

  1. Turn on your computer. If it’s already on, you have to reboot it.
  2. After that, the BIOS screen will be displayed, but if Windows pops up instead, reboot your computer and try again. Once you’re on the BIOS screen, repeat pressing F8, by doing so the Advanced Option shows up.
    1. To navigate the Advanced Option use the arrow keys and select Safe Mode with Networking then hit
    2. Windows will now load the Safe Mode with Networking.
    3. Press and hold both R key and Windows key.

    1. If done correctly, the Windows Run Box will show up.
    2. Type in the URL address, [product-url] in the Run dialog box and then tap Enter or click OK.
    3. After that, it will download the program. Wait for the download to finish and then open the launcher to install the program.
    4. Once the installation process is completed, run [product-code] to perform a full system scan.

    1. After the scan is completed click the “Fix, Clean & Optimize Now” button.

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