Efdc Virus Removal Guide (+Decrypt .efdc files)

Efdc Virus Ransomware

Efdc is a destructive software application functioning as typical ransomware. Michael Gillespie, the widely known virus researcher, first found this new name in the DJVU ransomware family.

Efdc was created for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is successfully achieved, the users are not able to get access to them. Efdc virus includes its own “.efdc” to all the encrypted data. For example, the file “price_list.xls”, when modified by Efdc, will be entitled as “price_list.xls.efdc”. As soon as the encryption is accomplished, Efdc puts its own unique text document (_readme.txt) into all the folders that keep the encrypted files.

The alert mentioned by text file requesting for the random os extremely comparable to the notices provided by other ransomware hazards belonging to the DJVU family. The caution basically shows that the information has been encrypted and the only option to get access to it is to use a special standalone key. Regretfully, this statement is absolutely true.

The technique to secure the files utilized by Efdc is not totally investigated. However, there is no doubt that each computer owner might be issued a special decryption key, which is definitely distinct. It is incredibly difficult to recuperate the information without the suitable key in location.

“Don’t worry, you can return all your files!”, from _readme.txt message:

One more peculiarity of the Efdc virus is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the complete control by the scoundrels who have released the Efdc ransomware into the internet. In order to acquire the key and bring back the important information, the users are told to connect with the scams by means of email or by telegram and to pay the ransom in the quantity of $980.

The message likewise says that the people need to contact the Efdc authors within 72 hours upon the minute of the information file encryption. The alert indicates that by doing so individuals will acquire a 50% discount, therefore, the ransom amount drops down to $490.

No matter what the amount of the ransom is, we highly encourage that you do not pay the ransom. There is no warranty that these online crooks will keep their guarantees, so they may not care at all what the victims feel about the encryption, even when the amount of the ransom is gotten into their accounts. Hence, paying ransom often does not result in a successful healing. So, the users might merely lose their money for nothing.

Likewise, we advise you not to call the scams as they advise. Do not transfer cash into their wallets. There are no applications that could break the Efdc virus or restore the information for free. For that reason, the only proper choice is to restore the information from possible backups (if offered).

Virus Summary

Name Efdc Ransomware
File Extension efdc
Type Ransomware
Family DJVU
Short Description The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files.
Symptoms File encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .efdc extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Efdc Removal Tool   GridinSoft Anti-Malware
Efdc Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Internet is now filled with infections similar to the Efdc ransomware. For instance, this particular hazard is generally identical to Brusaf and other ransomware-type infections. These harmful utilities have actually been developed in order to secure the essential data and express the demand for the users to pay the ransom. All these infections use the similar algorithm to create the specific key for successful files decryption.

Unless the Efdc ransomware is still under the advancement process or has got some concealed bugs, it is not possible to bring back the information by hand. Thus, the only working option to avoid the loss of your crucial data is to routinely maintain updated backups of all your vital data.

Another essential piece of guidance is to save the backups on unique storage not linked to your main computer. For example, you may store it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your system drive is extremely dangerous, because the backup may likewise be encrypted by the Efdc ransomware.

Leaks for the Efdc ransomware attack.

Efdc utilizes lots of paths to penetrate the vulnerable computer systems. It is not particular what particular approach was used in your case, nevertheless, the invasion might take place by means of the following channels:

  • bundling with third-party programs, primarily free apps;
  • spam e-mails from the unknown senders;
  • sites supplying free hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Efdc might disguise itself as some real application, for example, through the misleading alerts requiring installation of some software update. This is the most typical trick used by the scams to inject the Efdc infection files into the system. This way users partly take part in its installation, without clearly comprehending the danger.

Additionally, the scams may send unsolicited spam e-mail with difficult signals encouraging the people to open dubious attachments or click some download links, for example, those encouraging the people to open certain images, text files, tax files and other information.

No doubt, opening these files or clicking on the destructive links may essentially harm the system. Fake Media Player upgrade notices may lead to the Efdc ransomware seepage. Likewise, downloading the cracked software may additionally consist of the ransomware installer. The last however not the least, setup of Efdc may happen through some Trojan horses that might be installed stealthily into the system and without the user’s direct authorization and even authorization.

Preventing the Efdc ransom virus attack.

Naturally, there is no absolute warranty that your computer will be always without any malware attacks, however, we wish to share some useful suggestions with you to make it much safer. Ensure to pay really close attention while searching the web and especially while getting cost-free programs. Do not open any dubious email accessories, especially if the sender is not known to you.

Do not forget that specific freeware installer might also contain some other extra apps in the package. These extra applications might be extremely damaging. It is of utmost value to keep your anti-virus software application and your operating system in general to be always properly upgraded.

It is quite logical that downloading cracked programs is unlawful, however, additionally, such unapproved software application use may also bring serious damage to your PC. Thus, do not download any broken programs. Plus, the reality that your present anti-virus did not secure the system from the Efdc ransomware is a good factor for you to reassess your choices and change to another program that can render the safeguarding functions on a better level.

Below please find the quotation from the Efdc text file:

ATTENTION!
 
 Don't worry, you can return all your files!
 All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
 The only method of recovering files is to purchase decrypt tool and unique key for you.
 This software will decrypt all your encrypted files.
 What guarantees you have?
 You can send one of your encrypted file from your PC and we decrypt it for free.
 But we can decrypt only 1 file for free. File must not contain valuable information.
 You can get and look video overview decrypt tool:
 https://we.tl/t-2P5WrE5b9f
 Price of private key and decrypt software is $980.
 Discount 50% available if you contact us first 72 hours, that's price for you is $490.
 Please note that you'll never restore your data without payment.
 Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.
  
  
 To get this software you need write on our e-mail:
 restorealldata@firemail.cc
  
 Reserve e-mail address to contact us:
 gorentos@bitmessage.ch 

 Our Telegram account:
 @datarestore

Screenshot of files with “.efdc” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Efdc ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

2. Double-click on the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

3. Press Install button for run GridinSoft Anti-Malware.

3.Once installed, GridinSoft Anti-Malware will automatically run.

4. Wait for the GridinSoft Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.

5. Click on “Clean Now”.

When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

Use Emsisoft Decryptor for restore efdc files

You can download Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
  4. Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
  5. After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
  6. The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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