ISZA Virus (.isza File) Ransomware — Remove & Decrypt Files

Written by William Reddy

If you can’t open your photos, documents, or other files and also see the .isza extension on them, your computer is definitely infected with Isza ransomware. It pertains to STOP/Djvu ransomware family

Isza ransomware encrypts personal files identified on the victim’s computer with the extension “.isza” and then leaves the ransom note in each folder which contains encrypted files. The instructions are put on the victim’s desktop in the “readme.txt” file. Its task is pretty much comparable to other representatives of the same ransomware family: Isal, Btos, Bttu.

What is Isza Ransomware?

NameIsza Virus
Ransomware family1DJVU/STOP2 ransomware
Ransomware note_readme.txt
RansomFrom $490 to $980,
SymptomsThe images, videos, and other documents have the “.isza” extension and cannot be opened by any programs
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Isza is file-encrypting ransomware that prevents normal access to your text files, Excel tables, videos and pics by ciphering them. It marks the ciphered files with the “.isza” extension. Then Isza ransomware adds a money 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 certain Bitcoin address. The AES-256 or RSA-1028 cipher it uses to encrypt 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 Isza ransomware?

When Isza ransomware gets on your computer, it will scan your disks for images, videos, and also important documents. It [ciphers all widespread file formats- .psd, .doc, .docx, .xls, .xlsx, .pdf, .jpeg, .png, et cetera. When these files are found, the ransomware will cipher them and change their extension to “.isza” to ensure that you understand what happened.

After the Isza ransomware ciphered the data on your PC, it will generate the last “readme.txt” file on the main screen. In addition to the money transferring instructions, the victims also see the emails to contact the crooks – and

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

The Isza ransomware spreads by placing websites to get hacked programs or games. Cybercriminals that distribute this ransomware are pretty foxy, and try to keep in touch with contemporary things. New games introductions, new popular movies – Isza developers make whatever to get their victims on that. Some of the most favored tactics these burglars apply is one-day sites with torrent downloading links. Nonetheless, using the modern trends is not the single manner these crooks use. Options that have already become standard, such as e-mail spamming, are also common for STOP/Djvu ransomware distribution.

Malicious email spam

The example of email spamming that may lead to Isza ransomware injection

Avoiding this ransomware does not need a lot of effort. Using the regular principles of computer hygiene will considerably decrease all hazards. Remember that starting all files you receive on e-mail is not a good option. Even worse situation is to allow macros in Microsoft Office files. But it is better to prevent the malware intrusion at the moment when you have just opened the e-mail message. Inspecting the sender’s address can point out a lot about what you can anticipate, as well as when you see the thing like “”– it is likely a trustworthy e-mail. At the same time, stuff that tries to resemble Amazon or FedEx shipping notification, however, uses the e-mail address of “”– need to make you get on the alarm. Above, you can see the example of such a message.

Illegal sources of different digital things require some extra description. Breaking copyright policy surely throws you to the risk of being fined. Nevertheless, utilizing torrent trackers or third-party websites to download “free” programs likewise exposes you to different malware. Nobody can oversee unidentified people that launch the torrent seeding or release the hacked program version on the website with pirated software.

Isza 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 Isza 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 Isza ransomware

In most cases, it’s impossible to recover the files encrypted by the Isza 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 Isza 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 .isza 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 Isza 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.

Remove ISZA Ransomware Virus (DECRYPT .isza FILES)

Name: ISZA Virus

Description: ISZA Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific isza extension. ISZA 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 the author

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.

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