EUCY Ransomware. How to decrypt .eucy files?

If you cannot open your photos, documents, or files and also see the .eucy extension on them, your system is surely infected with Eucy ransomware. It belongs to STOP/Djvu ransomware family

Eucy ransomware ciphers personal documents located on the victim’s computer with the extension “.eucy” and then generates the ransom note in each folder which contains encrypted files. The instructions are placed on the victim’s PC in the “readme.txt” file. Its activity is primarily comparable to other examples of the same ransomware family: Ckae, Naqi, Qnty.

What is Eucy Ransomware?

NameEucy Virus
Ransomware family1DJVU/STOP2 ransomware
Ransomware note_readme.txt
RansomFrom $490 to $980,
SymptomsThe images, videos, and other documents have the “.eucy” extension and cannot be opened by any programs
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Eucy is file-encrypting ransomware that prevents normal access to your text files, Excel tables, videos and images by ciphering them. It marks the ciphered files with the “.eucy” extension. Then Eucy ransomware adds a money ransom note (readme.txt) to each folder. In it, you can see the instructions to pay the ransom ($490-$980 in Bitcoin) to a certain BTC wallet. The AES-256 or RSA-1028 cipher it uses to cipher the documents is not decryptable with modern computers. Even quantum computers that already exist will likely spend hundreds of years to find the decryption key.

How dangerous is the Eucy ransomware?

When Eucy ransomware gets in your system, it will examine your system for images, videos, and important documents. It [ciphers all widespread file formats- .psd, .doc, .docx, .xls, .xlsx, .pdf, .jpeg, .png, et cetera. When these documents are found, the ransomware will encrypt them and change their extension to “.eucy” to ensure that you understand what happened.

After the Eucy ransomware ciphered the data on your computer, it will generate the last “readme.txt” file on the main screen. Besides the ransom transactioning instructions, the victims also see the email addresses to contact the fraudsters – and

Here is the ransom note that the Eucy ransomware shows to its victims:


Don't worry, you can return all your files!
All your files like pictures, 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:

How did the Eucy ransomware get on my computer?

The Eucy ransomware spreads by posting websites to get hacked programs or games. They try to keep their eye on all hype themes which can be chosen to spread ransomware. New games releases, new popular films – Eucy creators make everything to get their money on that. Some of the most popular methods these crooks put to use is one-day websites with torrent downloading links. Nonetheless, following the contemporary news is not the single way these burglars utilize. Options that have already become classic, such as e-mail spamming, are likewise standard for STOP/Djvu ransomware spreading.

Malicious email spam
The example of email spamming that may lead to Eucy ransomware injection

Avoiding this ransomware does not need a lot of initiative. Using the ordinary principles of computer hygiene will significantly minimize all hazards. Keep in mind that opening all documents you receive on e-mail is not a great tactic. Even worse case is to allow macros in Microsoft Office documents. However, it is better to stop the malware intrusion at the moment when you have only opened the e-mail message. Inspecting the sender’s address can point out a lot about what you can anticipate, and also when you see the thing like “”– it is likely a trustworthy e-mail. Meanwhile, stuff that tries to appear like Amazon or FedEx shipping notification, however, uses the email address of “”– need to make you be on the alarm. Above, you can see the illustration of such a message.

Illegal sources of different digital things require some additional explanation. Breaking copyright policy already throws you to the risk of being fined. However, utilizing torrent trackers or third-party sites to download “free” programs likewise exposes you to various malware. Nobody can oversee unnamed people who start the torrent seeding or release the hacked program version on the site with pirated program.

Eucy virus removal instructions.

Download Trojan Killer Portable

Trojan Killer Portable Download

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This guide below shows how to use Trojan Killer Portable3 for Eucy virus detection and removal:

  • STEP 1. Download and install Trojan Killer.

  • STEP 2. Click on "Finish".

  • STEP 3. Wait until necessary updates are downloaded and installed.

  • STEP 4. Select computer scan type.

  • STEP 5. The software will begin scanning your computer.

  • STEP 6. Click on "Cure PC".

Restore the files encrypted by the Eucy ransomware

In most cases, it’s impossible to recover the files encrypted by the Eucy ransomware because the private key needed to unlock the encrypted files is only available through cybercriminals. However, we’ve listed one option you can use to recover your files below.

Warning! Make sure you remove the ransomware from your system first, otherwise, it will repeatedly encrypt your files.

If your files were encrypted with an offline key, there is a chance you can recover them by using Emsisoft Decryptor for the STOP/Djvu decryption tool. Follow the below guide to recover your files using the Emsisoft Decryptor for STOP/Djvu.

  1. You can download Emsisoft Decryptor for STOP Djvu by clicking this link.
  2. When the decryptor has finished downloading, double-click on “decrypt_STOPDjvu.exe” to run this program on your computer.
  3. Click the “Decrypt” button to start the decryption process for Eucy files. The screen will switch to a status view, informing you about your files’ current process and decryption status.
  4. The decryptor will inform you once the decryption process will be finished. If you require the report for your records, you can save it by clicking the “Save log” button.

If the Emsisoft Decryptor can’t decrypt your .eucy files and you do not plan on paying the ransom, it is advised that you make an image of the encrypted drives so that you can decrypt them in the future.

Your computer should now be free of the Eucy ransomware infection. However, suppose your current antivirus allowed this malicious program on your computer. In that case, you might want to consider purchasing the full-featured version of Trojan Killer to protect against these types of threats in the future.

EUCY Ransomware — How To Remove Virus & Decrypt Files?

Name: EUCY Virus

Description: EUCY Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific eucy extension. EUCY ransomware asks victims for a ransom fee about $490 - $980 in Bitcoin.

Offer price: 480

Currency: $

Operating System: Windows

Application Category: Virus

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About William Reddy

I am from Ireland. My parents bought me a computer when I was 11, and several months after I have got a virus on this PC. I decided to enter the INSA Centre Val de Loire university after being graduated from the school. This French educational institution was offering a brand-new cybersecurity course. After getting the master's degree in cybersecurity, I've started working as a virus analyst in a little anti-malware vendor.