JJTT Virus (.jjtt File) Ransomware — Remove & Decrypt Files

If you cannot open your photos, documents, or data and also see the .jjtt extension on them, your PC is definitely infected with Jjtt ransomware. It pertains to STOP/Djvu ransomware group

Jjtt ransomware ciphers personal files located on the victim’s computer with the extension “.jjtt” and then creates the ransom note in each folder which contains encrypted files. The instructions are put on the victim’s PC in the “readme.txt” file. Its task is basically similar to other samples of the same family: Rtgf, Ooii, Gcyi.

What is Jjtt Ransomware?

NameJjtt Virus
Ransomware family1DJVU/STOP2 ransomware
Ransomware note_readme.txt
RansomFrom $490 to $980
Contactmanager@mailtemp.ch, helprestoremanager@airmail.cc
SymptomsThe images, videos, and other documents have the “.jjtt” extension and cannot be opened by any programs
Fix Tool Trojan Killer – ransomware infections tool. 14-day free trial.

Jjtt is file-encrypting ransomware that prevents regular access to your text files, Excel tables, videos and images by ciphering them. It marks the ciphered files with the “.jjtt” extension. Then Jjtt ransomware adds a ransom note (readme.txt) to each folder. In this note, you can see the guidance to pay the ransom ($490-$980 in Bitcoin) to a specified Bitcoin wallet. The AES-256 or RSA-1028 cipher it utilizes to encrypt the files is not decryptable with contemporary computers. Even quantum PCs that already exist will likely spend hundreds of years to get the decryption key.

How dangerous is the Jjtt ransomware?

When Jjtt ransomware appears on your PC, it will examine your computer for photos, videos, and also 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 cipher them and also change their extension to “.jjtt” to ensure that you understand what happened.

After the Jjtt ransomware encrypted the files on your computer, it will generate the last “readme.txt” file on the main screen. In addition to the ransom payment instructions, the victims also see the emails to contact the crooks – helprestoremanager@airmail.cc and manager@mailtemp.ch.

Here is the money ransom note that the Jjtt 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 Jjtt ransomware get on my computer?

The Jjtt ransomware spreads by placing links to get hacked programs or games. Cybercriminals that distribute this ransomware are extremely tricky, and aim to keep in touch with current trends. New games releases, new popular films – Jjtt creators make everything to get their money on that. One of the most preferred methods these crooks utilize is one-day websites with torrent downloading links. Nonetheless, using the current news is not the only tactic these criminals use. Ways that have already turned into classic, such as e-mail spamming, are also ordinary for STOP/Djvu ransomware distribution.

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

Preventing this ransomware does not need a lot of effort. Adhering to the ordinary principles of PC hygiene will considerably minimize all dangers. Keep in mind that opening all documents you receive on e-mail is not a good habit. Even worse scenario is to enable macros in Microsoft Office documents. However, it is far better to stop the malware attack at the moment when you have just opened the e-mail message. Examining the sender’s address can point out a lot about what you can anticipate, and when you see things like “support@amazon.com”– it is likely a genuine email. At the same time, stuff that tries to appear like Amazon or FedEx shipping notice, but uses the email address of “amazonspurrot1363@gmail.com”– should make you get on the alarm. Above, you can see the illustration of such a message.

Illegal sources of various digital things need some extra description. Breaking copyright policy already throws you to the possibility of being fined. Nonetheless, utilizing torrent trackers or third-party sites to download “free” programs likewise exposes you to a wide range of malware. Nobody can regulate unidentified people who launch the torrent seeding or release the hacked program version on the website with pirated program.

Jjtt 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 Jjtt 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 Jjtt ransomware

In most cases, it’s impossible to recover the files encrypted by the Jjtt 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 Jjtt 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 .jjtt 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 Jjtt 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.

JJTT Ransomware — How To Remove Virus & Decrypt Files?

Name: JJTT Virus

Description: JJTT Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific jjtt extension. JJTT 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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  1. My files are encrypted by ransomware, what should I do now?
  2. About DJVU (STOP) Ransomware: https://gridinsoft.com/ransomware/djvu
  3. More about Trojan Killer: https://gridinsoft.com/trojankiller

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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.