Djvu VirusRansomwareRemoval Guide

Erop Virus Removal Guide (+Decrypt .erop files)

Erop – General Info

Erop is a harmful software application working as typical ransomware. Michael Gillespie, the widely known malware researcher, very first found this new name in the DJVU ransomware family.

Erop was created for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is effectively achieved, the users are unable to get access to them. Erop virus includes its own “.erop” to all the encrypted data. For instance, the file “price_list.xls”, as soon as modified by Erop, will be titled as “price_list.xls.erop”. When the encryption is achieved, Erop puts its own unique text file (_readme.txt) into all the folders that keep the encrypted files.

The message mentioned by text file requesting for the random os really similar to the alerts offered by other ransomware dangers belonging to the DJVU family. The warning essentially shows that the files have been encrypted and the only solution to get access to it is to use an unique standalone key. Regretfully, this statement is absolutely true.

The technique to encrypt the files used by Erop is not completely investigated. However, there is no doubt that each computer system owner may be released an unique decryption key, which is definitely unique. It is incredibly hard to recover the data without the proper type in location.

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

Don't worry, you can return all your files! virus

One more peculiarity of the Erop ransomware 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 criminals who have released the Erop ransomware into the world wide web. In order to acquire the key and bring back the essential information, the users are informed to connect with the frauds through email or by telegram and to pay the ransom in the amount of $980.

The message also states that individuals should call the Erop authors within 72 hours upon the moment of the information file encryption. The alert indicates that by doing so individuals will obtain a 50% discount rate, for that reason, the ransom quantity falls to $490.

No matter what the quantity of the ransom is, we strongly encourage that you do not pay the ransom. There is no warranty that these online criminals will keep their pledges, so they may not care at all what the victims feel about the file encryption, even when the quantity of the ransom is gotten into their accounts. Thus, paying ransom typically does not lead to a successful healing. So, the users might just lose their money for absolutely nothing.

Likewise, we prompt you not to call the scams as they instruct. Do not move cash into their wallets. There are no applications that might break the Erop virus or restore the data at no cost. For that reason, the only right decision is to restore the information from possible backups (if offered).

Virus Summary

NameErop Ransomware
File Extensionerop
Short DescriptionThe 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.
SymptomsFile 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 .erop extension to all the files modified by it.
Distribution MethodAdware bundles and software cracks
Similar InfectionsLokas, Besub, Nusar
Erop Removal Tool   GridinSoft Anti-Malware
Erop Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now full of infections similar to the Erop virus. For example, this particular hazard is generally similar to Brusaf and other ransomware-type infections. These damaging energies have actually been developed in order to encrypt the important data and reveal the demand for the users to pay the ransom. All these infections use the similar algorithm to create the particular key for successful data decryption.

Unless the Erop ransomware is still under the development procedure or has actually got some concealed bugs, it is not possible to restore the information by hand. Hence, the only working solution to avoid the loss of your essential data is to routinely preserve up-to-date backups of all your essential data.

Another crucial piece of advice is to store the backups on special storage not linked to your main computer. For instance, you may keep it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your system drive is very risky, considering that the backup may also be encrypted by the Erop infection.

Leakages for the Erop ransomware attack.

Erop uses lots of paths to infiltrate the susceptible computers. It is not certain what particular technique was utilized in your case, nevertheless, the invasion might happen through the following channels:

  • bundling with third-party programs, generally freeware;
  • spam emails from the unidentified senders;
  • websites providing complimentary hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Erop may disguise itself as some authentic application, for example, through the deceptive notifies demanding setup of some software application upgrade. This is the most common trick used by the scams to inject the Erop ransomware files into the system. In this manner users partially take part in its installation, without plainly comprehending the threat.

Moreover, the scams might send out unsolicited spam e-mail with difficult signals motivating the people to open suspicious attachments or click some download links, for instance, those encouraging individuals to open particular images, text files, tax documents and other info.

No doubt, opening these files or clicking the harmful links may basically harm the system. Fake Media Player upgrade alerts may lead to the Erop ransomware infiltration. Likewise, downloading the cracked software might furthermore consist of the ransomware installer. The last but not the least, setup of Erop might take place through some Trojan horses that may be installed stealthily into the system and without the user’s direct consent or perhaps permission.

Avoiding the Erop ransomware attack.

Naturally, there is no absolute guarantee that your computer system will be constantly free of any malware attacks, however, we want to share some beneficial tips with you to make it safer. Make certain to pay really very close attention while browsing the web and particularly while getting cost-free programs. Do not open any suspicious email accessories, specifically if the sender is not understood to you.

Do not forget that specific freeware installer might likewise consist of some other additional apps in the package. These additional applications might be really damaging. It is of utmost importance to keep your anti-virus software application and your operating system in basic to be always effectively updated.

It is quite sensible that downloading cracked apps is unlawful, nevertheless, furthermore, such unauthorized software use might likewise bring major damage to your computer. For this reason, do not download any broken programs. Plus, the fact that your current anti-virus did not safeguard the system from the Erop ransomware is a great factor for you to reconsider your choices and switch to another program that can render the protecting functions on a much better level.

Below please find the quotation from the Erop text file:


 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:
 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:

 Reserve e-mail address to contact us:

 Our Telegram account:

Screenshot of files with “.erop” extension added by the ransomware:”

Erop Ransomware - encrypt files with .erop extension

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

1.Download GridinSoft Anti-Malware.

You can get 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.
GridinSoft Anti-Malware
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.
GridinSoft Anti-Malware Setup

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

GridinSoft Anti-Malware Install

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

GridinSoft Anti-Malware  Start

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.
GridinSoft Anti-Malware Scan

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.
GridinSoft Anti-Malware Scan Result

Use Emsisoft Decryptor for restore erop 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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