Epub Virus Removal Guide (+Decrypt .epub files)

Epub Virus Ransomware

Epub is a destructive software working as common ransomware. Michael Gillespie, the widely known virus researcher, first discovered this new name in the DJVU ransomware family.

Epub was created for the sole purpose to encrypt all popular file types. Realistically, as soon as the encryption is effectively achieved, the users are unable to get access to them. Epub ransomware adds its own “.epub” to all the encrypted data. For instance, the file “price_list.xls”, when modified by Epub, will be titled as “price_list.xls.epub”. Once the file encryption is achieved, Epub puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.

The alert stated by _readme.txt requesting for the random os really comparable to the notices provided by other ransomware threats coming from the DJVU family. The warning generally shows that the data has been secured and the only solution to get access to it is to use a special standalone key. Regretfully, this statement is absolutely true.

The approach to secure the files used by Epub is not entirely looked into. Nevertheless, there is no doubt that each computer system owner may be released an unique decryption key, which is definitely distinct. It is incredibly tough to recuperate the information without the suitable type in place.

“Don’t worry, you can return all your files!”, from text file message:

One more peculiarity of the Epub ransomware is that the users are not able to get access to the key. The decrypting key is hosted on an unique server under the total control by the scoundrels who have released the Epub infection into the world wide web. In order to acquire the key and bring back the crucial data, the users are told to get in touch with the frauds by means of email or by telegram and to pay the ransom in the quantity of $980.

The message also states that the people need to call the Epub authors within 72 hours upon the moment of the information encryption. The alert indicates that by doing so the people will get a 50% discount rate, therefore, the ransom amount falls to $490.

No matter what the quantity of the ransom is, we highly recommend that you do not pay the ransom. There is no assurance that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the encryption, even when the amount of the ransom is received into their accounts. Thus, paying ransom frequently does not result in an effective recovery. So, the users may simply lose their money for nothing.

Likewise, we advise you not to contact the scams as they advise. Do not transfer cash into their wallets. There are no applications that might crack the Epub ransomware or bring back the data at no charge. For that reason, the only correct decision is to bring back the information from possible backups (if readily available).

Virus Summary

Name Epub Ransomware
File Extension epub
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 .epub extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Epub Removal Tool   GridinSoft Anti-Malware
Epub Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Internet is now loaded with infections comparable to the Epub virus. For instance, this particular hazard is essentially similar to Brusaf and other ransomware-type infections. These harmful energies have been established in order to secure the important information and reveal the demand for the users to pay the ransom. All these infections utilize the identical algorithm to produce the specific key for effective files decryption.

Unless the Epub ransomware is still under the advancement procedure or has actually got some hidden bugs, it is not possible to bring back the information manually. Therefore, the only working service to avoid the loss of your crucial information is to regularly maintain current backups of all your crucial files.

Another essential piece of advice is to keep the backups on special storage not connected to your primary computer. For example, you may store it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely risky, because the backup may likewise be encrypted by the Epub ransomware.

Leakages for the Epub ransomware attack.

Epub utilizes numerous courses to infiltrate the susceptible computer systems. It is not specific what particular approach was utilized in your case, however, the invasion may happen through the following channels:

  • bundling with third-party programs, primarily free software;
  • spam emails from the unknown senders;
  • sites offering complimentary hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Epub may camouflage itself as some genuine application, for example, through the misleading signals demanding installation of some software application upgrade. This is the most common technique used by the scams to inject the Epub ransomware files into the system. This way users partly take part in its installation, without clearly comprehending the risk.

In addition, the scams may send out unsolicited spam e-mail with tricky informs encouraging the people to open dubious attachments or click some download links, for instance, those encouraging the people to open specific images, text files, tax files and other info.

No doubt, opening these files or clicking on the destructive links may basically harm the system. Fake Acrobat Reader update alerts may lead to the Epub ransomware infiltration. Similarly, downloading the cracked software might furthermore consist of the ransomware installer. The last but not the least, installation of Epub may happen through some Trojan horses that might be installed stealthily into the system and without the user’s direct consent or perhaps consent.

Preventing the Epub ransomware injection.

Obviously, there is no outright guarantee that your computer will be always free of any malware attacks, nevertheless, we wish to share some beneficial tips with you to make it much safer. Ensure to pay really close attention while browsing the web and specifically while getting cost-free programs. Do not open any suspicious email accessories, particularly if the sender is not understood to you.

Do not forget that particular freeware installer might likewise contain some other extra apps in the bundle. These additional applications may be extremely destructive. It is of utmost significance to keep your anti-virus software and your operating system in basic to be constantly appropriately upgraded.

It is rather rational that downloading pirated apps is illegal, however, furthermore, such unauthorized software usage may likewise bring serious damage to your computer. Thus, do not download any split programs. Plus, the truth that your present anti-virus did not protect the system from the Epub ransomware is a good reason for you to reassess your choices and change to another program that can render the protecting functions on a better level.

Below please find the quotation from the Epub 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 “.epub” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Epub 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 epub files

You can get 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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