Efdc Virus Files

The Efdc virus is yet another dangerous malware that has surfaced as a variant of the notorious STOP/Djvu ransomware. The infection is designed to corrupt system settings and personal files, making users more likely to pay a ransom to hackers.

For encrypting target files saved on victims’ workstations, this ransomware uses Advanced Encryption Standard (AES) or RSA cryptography techniques. As a result, it has the ability to render encrypted files completely unavailable. Extortion of ransom fees is the result of the ransomware’s influence.

Victims are asked to pay a ransom to hackers in order to decrypt .efdc files. This is what the _readme.txt ransom note says. It can be used on the desktop as well as in encrypted file folders.

It is important to note that paying a ransom is not a good idea. There’s no guarantee that hackers will do what they say they’ll do.

Discover all of the troubles that arise when the Efdc virus is present, as well as how to completely remove dangerous files. Check out the very end of the guide for information on recovering .efdc files.

Efdc virus Summary

Name Efdc also known as UDS:Trojan-Ransom.Win32.Stop.gen (Kaspersky), Trojan:Win32/Sabsik.FL.B!ml (Microsoft), STOP.GP Ransomware (SpyHunter)
Type Ransomware, Cryptovirus
Malicious Extension .Efdc virus
Short Description A data locker ransomware that utilizes AES cihper algorithm to encrypt important files stored on infected devices. To decrypt files it demands a ransom payment.
Symptoms Important files are corrupted and inaccessible. They are all renamed with the .efdc extension. A ransom note appears on the PC to extort a ransom.
Ransom Demaning Note _readme.txt
Distribution Method Spam Emails, Email Attachments, Torrent Files
Detection Tool See If Your System Has Been Affected by malware


In-depth Efdc Virus Analysis

What is the method through which the Efdc ransomware virus gains access to computer systems? By its dropper, which can be distributed through illegitimate methods such as spam emails, rogue programs, bogus updates, compromised websites, and torrent downloads. In most cases, the activation goes unnoticed.

Because spam emails are a popular target for hackers, be cautious when opening new emails in your inbox. Some of them may be made to look like the templates used by real organizations, websites, and institutions when sending emails. Instead of alerting you, they may use deception to infect your computer with a dangerous virus such as Efdc.

When the Efdc virus infects a computer, it activates a number of dangerous files. The Efdc virus, like other STOP ransomware variants (.orkf,.Efdc), is likely to store its malicious files and objects in the following system folders:

  • %Temp%
  • %Roaming%
  • %UserProfile%
  • %AppData%

The malware then tampers with specific system registries in order to increase its durability. The virus assures that its files will load automatically every time the infected OS runs by adding malicious settings to the Windows Registry. After the Efdc malware has completed the encryption process, some adjustments allow it to open its ransom letter.

All files corrupted by this ransomware are given the same extension. Image.jpg will be renamed to imaje.jpg.efdc, for example. The following files, unfortunately, may no longer be accessible:

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

The file _readme.txt will appear on the machine after encryption. It includes a ransom note. When you open it on an infected device, it looks like this:

STOP ransomware virus ransom message

The decryption key and tool for .efdc files are reportedly demanded in exchange for a ransom payment. They will almost certainly want to send the funds in cryptocurrency.

Paying the ransom does not guarantee that your encrypted files will be recovered. As a result, we recommend that you try to secure the infected system with the help of reputable software and explore other options for recovering your important files.

Remove Efdc Virus and Try to Restore Files

The Efdc ransomware virus is a dangerous menace with extremely complicated coding. It taints both system settings and sensitive personal information. The only way to restore security to your infected machine is to delete all malicious files and objects left behind by this ransomware.

You could utilize our ransomware removal instruction for this. The guide walks you through each stage of cleaning and securing your system. You’ll also see a couple of other data recovery methods. They might come in handy if you’re trying to recover files that have been encrypted by the Efdc malware. Before beginning the recovery process, make a backup of all encrypted files to an external device.

Attention! All malware victims should seek aid exclusively from trusted sites, according to us. Many instructions promise to be able to restore and decrypt files that have been encrypted by ransomware viruses for free. You should be aware that some of them may only be after your money.

How to Identify Reliable Sources:

  • Always look at the “About Us” section of the website.
  • The content creator’s profile.
  • Check to see if the site is run by genuine people rather than phony names and profiles.
  • Verify your personal profiles on Facebook, LinkedIn, and Twitter.

How to Remove Efdc virus from Windows.

Step 1: To isolate and eradicate the Efdc malware, start your computer in Safe Mode.

1. Keep the Windows key() + R keys.

2. A window called “Run” will appear. Type “msconfig” in the box and click OK.

3. Select “Boot” from the drop-down menu. Select “Safe Boot” from the drop-down menu, then “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. To enter Safe Mode, click “Restart” when requested.

5. Safe Mode is identified by the wording displayed on the screen’s corners.

Step 2: Remove the Efdc malware and any related software from your computer.

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 software or its folder to the recycle bin is a very bad decision. If you do so, bits and parts of the application are left behind, which might result in your PC’s performance being unsteady, file type association issues, and other unpleasant activities. Uninstalling an application is the right approach to remove it from your computer. To do that: 

1. Press and hold the Windows Logo Button as well as the “R” key on your keyboard. There will be a pop-up window.

2. Type “appwiz.cpl” into the field and hit ENTER.

3. This will bring up a window showing all of the programs that have been installed on the computer. Select the software you wish to uninstall and click “Uninstall.”

Follow the instructions above and you will successfully uninstall most programs.

Step 3: Remove all virus-related registries from your PC.

The following are the most commonly targeted registries on Windows machines:

  • 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 get to them by going to the Windows registry editor and erasing any Efdc virus-created values. This can be accomplished by following the steps below:

1. Click OK after reopening the Run window and typing “regedit.”

2. When you open it, you can freely go to the Run and RunOnce keys, which are depicted above in their respective locations.

3. You can delete the virus’s value by right-clicking on it and delete 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.

Before starting “Step 4”, please boot back into Normal modein case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Use SpyHunter Anti-Malware Tool to scan for the Efdc malware.

1. Go to the SpyHunter download page to download it.

2. Wait for SpyHunter to update automatically after you’ve installed it.


3. Once the update has been completed, go to the ‘Malware/PC Scan‘ page. There will be a new window open. Select ‘Start Scan‘ from the drop-down menu.


4. After SpyHunter has finished scanning your PC for any linked threat files and located them, click the ‘Next’ button to try to have them deleted automatically and permanently.


It is highly suggested that you restart your PC after any threats have been removed.

Step 5 (optional): Try to Restore Files Encrypted by Efdc virus.

The Efdc virus and other ransomware attacks encrypt your files with an encryption mechanism that can be tough to decrypt. As a result, we’ve recommended a data recovery approach that may be able to assist you to avoid direct decryption and restore your files. Keep in mind that this strategy may not be 100 percent efficient in all instances, but it may help you a little or a lot in some.

1. Click on the following link to get the recommended Data Recovery software.

Get Easeus Data Recovery Wizard Now

Simply click on the link and on the website menus on the top, choose Data Recovery – Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and execute the tool.

Get rid of Efdc virus from Mac OS X.

Step 1: Delete all files and objects associated with the Efdc virus.

1. To open Utilities, press the ⇧+⌘+U keys together. Another option is to click “Go” and then “Utilities,” as shown in the image below:

2. Double-click Activity Monitor to open it:

3. Look for any suspicious processes related to or belonging to the Efdc malware in the Activity Monitor:

Tip: Select the “Force Quit” option to quit a process completely.

4. Press the “Go” button once more, but this time choose Applications. Another option is to use the ⇧+⌘+A buttons.

5. Search the Applications menu for any suspicious apps or apps with names that sound close to or are the same as the Efdc malware. If you come across it, right-click it and select “Move to Trash.”

6: Select Accounts, then Login Items from the drop-down menu. After that, your Mac will display a list of items that will begin immediately when you log in. Look for any suspicious apps that are similar or identical to the Efdc malware. Select the Minus (“-“) symbol to conceal the app that you want to stop from running automatically.

7: Manually remove any remaining files that may be linked to this threat by following the sub-steps below:

  • Navigate to Finder.
  • Type the name of the software you wish to uninstall in the search bar.
  • Change the two drop-down menus above the search bar to “System Files” and “Are Included” to see all of the files related to the application you want to uninstall. Keep in mind that some of the files you remove might not be related to the app, so be cautious about what you delete.
  • If all of the files are related, press and hold the ⌘+A buttons to select them all and then drag them to the “Trash” folder.

In case you cannot remove Efdc virus via Step 1 above:

If you can’t discover the virus files and objects in your Applications or the other areas we mentioned before, you can hunt for them manually in your Mac’s Libraries. Please read the following disclaimer before proceeding:

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: As seen below, click “Go” and then “Go to Folder.”

2: Enter “/Library/LauchAgents/” and hit OK:

3: Delete any viral files with the same or similar names as the Efdc malware. Do not remove anything if you feel there is no such file.

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

→ ~/Library/LaunchAgents

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

Step 3 (Optional): Try to Restore Files Encrypted by Efdc virus.

The Efdc virus and other ransomware attacks encrypt your files with an encryption mechanism that can be tough to decrypt. As a result, we’ve recommended a data recovery approach that may be able to assist you to avoid direct decryption and restore your files. Keep in mind that this strategy may not be 100 percent efficient in all instances, but it may help you a little or a lot in some.

1. Click on the following link to get the recommended Data Recovery software.

Get Easeus Data Recovery Wizard Now

Simply click the link and select Data Recovery – Data Recovery Wizard for Windows or Mac (depending on your OS) from the website choices at the top, then download and execute the tool.

Efdc virus FAQ

What is Efdc virus ransomware and how does it work?

The Efdc virus is a ransomware infection, which is malicious software that stealthily infiltrates your computer and encrypts your files or limits access to the computer itself.

Many ransomware viruses employ advanced encryption algorithms to prevent you from accessing your files. The purpose of ransomware is to force you to pay a ransom in order to regain access to your files.

How does Efdc virus ransomware infect my computer?

There are various ways to do so. The Efdc virus is a ransomware that infects computers via phishing e-mails, containing virus attachment.

This attachment is frequently disguised as a legitimate document, such as an invoice, bank paperwork, or even a plane ticket, and it fools people.

A drive-by download occurs once you download and execute this attachment, and your machine is infected with the ransomware virus.

If you download a false installer, crack, or patch from a low-reputation website or click on a virus link, you may become a victim of the Efdc virus. Many individuals claim to have been infected with ransomware after downloading torrents.

How to open .Efdc virus files?

You can’t do it. The .Efdc virus files are encrypted at this point. They can only be opened once they’ve been decrypted.

Decryptor did not decrypt my data. What now?

 Don’t freak out, and make a backup of your files. If a decryptor failed to successfully decrypt your .Efdc virus files, do not despair; the infection is still relatively young.

Using a decryptor to restore files encrypted by the Efdc virus ransomware is one option. However, because this is a new virus, the decryption keys for it may not yet be available to the public. As soon as this decryptor is launched, we will update this article and keep you informed.

How Do I restore “.Efdc virus” files (Other Methods)?

Yes, files can occasionally be recovered. If you want to restore, we’ve proposed a few file recovery procedures that might help restore .Efdc virus files.

These procedures do not provide a 100% guarantee that you will be able to recover your files. Your chances of success are substantially higher if you have a backup plan.

How do I get rid of Efdc virus ransomware virus?

Using professional anti virus software to remove this ransomware attack is the safest and most effective method. It will search for and detect the Efdc virus ransomware, then delete it without causing any further damage to your vital data. Virus files with the Efdc suffix.

Remember that infections like the Efdc virus ransomware can also install Trojans and keyloggers, which can steal your passwords and accounts. Scanning your computer with anti-malware software will ensure that all of these virus components have been eradicated and that your machine is safe in the future.

What to Do If nothing works?

You still have a lot of options. If none of the preceding procedures appear to be effective, try these methods:

  • Attempt to find a safe computer from which you can access your personal accounts such as OneDrive, iDrive, Google Drive, and so on.
  • Contact your friends, relatives, and others to see if they have any of your essential images or documents that you may have provided them.
  • Also, see whether any of the encrypted data can be re-downloaded from the web.
  • Another ingenious method for recovering some of your information is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your earlier documents. You might be surprised by what you find.
  • You can also go to your email account to check if you have the ability to send attachments to others. The content of the email is usually preserved on your account, and you can re-download it. But, most crucially, make sure you’re doing this on a secure computer and that you’ve already removed the infection.

In this video, we are gonna show you how to remove Efdc Virus from your computer and try to restore your files:

How to Report Ransomware to Authorities?

You can report a ransomware infection to your local police department if your computer has been infected. It can assist authorities all around the world in tracking down and identifying the people responsible for the virus that has infected your computer. We’ve included a list of government websites where you can register a report if you’ve been a victim of cybercrime below:

Cyber-security authorities in charge of responding to ransomware attack reports in various parts of the world include:

Depending on your local authorities, reports may be replied to in a variety of timescales.


Loading Facebook Comments ...