Itrz Virus

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*Itrz is a variant of Stop/DJVU. Source of claim SH can remove it.

Itrz File

When a virus like the Itrz file encrypting ransomware strikes, it employs a sophisticated algorithm to encrypt files, rendering them unreadable. This encryption is akin to converting a novel into an indecipherable code, where every word, punctuation, and space is altered using a unique cipher. The ransomware specializes in this encryption technique, appending files with the Itrz file extension. This process is so intricate that, without the corresponding decryption key, reversing it is almost akin to translating an alien language without a dictionary. Typically, ransomware threats like this virus, or others, such as Ptrz and Mlza, zero in on essential data types, including documents (e.g., .doc, .pdf), multimedia files (e.g., .jpg, .mp3), databases, and spreadsheets. Without the right key, these critical files remain trapped, inaccessible, and in a perpetual state of limbo.

Itrz File
The Itrz ransomware will encrypt your files

How to decrypt Itrz ransomware files?

To decrypt Itrz ransomware files, you’ll need access to the unique private key, which is the only thing that can reverse the encryption. The key in question is held by the hackers against a ransom payment, but we recommend against opting for it. Instead, try out the alternative method detailed in our guide to hopefully get your files back.

How to remove the Itrz ransomware virus and restore the files?

The first step to remove the Itrz ransomware virus is to search for any rogue software on your PC and delete it. After that, your goal should be to revoke any changes made by the virus in the system settings. Finally, once the ransomware is gone, you can give a try to the free data decryptor you’ll find at the bottom of this page in order to restore your files.

Itrz Virus

Ransomware like the Itrz virus represents a particularly malicious category of malware. Unlike traditional viruses that might corrupt or delete data, or spyware that clandestinely monitors user behavior, ransomware takes a user’s files hostage. It encrypts data, making it inaccessible until a ransom is paid, hence its namesake. The Itrz virus and others like it don’t just infect; they extort. These cybercriminals often employ psychological manipulation tactics to intensify the urgency: countdown timers threatening data deletion, or messages feigning to be from law enforcement accusing the user of imaginary crimes. Psychological warfare aims to panic the user, pushing them to pay swiftly without seeking alternative solutions or notifying authorities. This combined digital and psychological assault differentiates ransomware from other cyber threats.

Itrz Virus
The Itrz virus will leave a _readme.txt file with instructions


The Itrz ransomware, like many of its malicious contemporaries, is adeptly distributed through a myriad of devious channels. A favored method is via Trojan backdoors, which discreetly embed themselves into systems, only to later pave the way for the ransomware. Pirated software, often sought for free downloads, is another trojan horse: it seems beneficial, but it’s riddled with hidden threats. Beyond these, hackers employ manipulative tactics such as spear phishing, where personalized emails loaded with malware-infected attachments or links are sent to unsuspecting individuals. The aim? To exploit human curiosity and trust. Additionally, they may camouflage the ransomware in seemingly harmless software updates or apps. Through these stealthy and manipulative techniques, Itrz and similar ransomware infiltrate, encrypt, and ultimately hold data hostage.


Noticing the .Itrz suffix on any of you files means that those files are now under the stringent lock of this ransomware. This suffix, once appended, indicates encryption has taken place, rendering data inaccessible. Removing the .Itrz extension superficially doesn’t free the file; the underlying encryption remains intact. Users can potentially unlock these files via two primary methods: procuring the unique decryption key from the culprits (a risky move often involving a ransom) or leveraging specialized decryption tools. Unfortunately, no guaranteed method exists to decrypt files without the original key. The challenges faced are manifold: loss of crucial data, hefty ransom demands, and the mental strain of navigating this digital quagmire. Hence, preventive measures, backups, and awareness remain the paramount defense against such predicaments.

Itrz Extension

Files with the Itrz extension have undergone a sinister transformation, morphing from readily accessible data to encrypted fortresses, beyond reach without a specific decryption key. When this encryption descends, a chilling companion often materializes: the ransom note. Typically, this digital missive is the cybercriminals’ voice, elucidating the dire state of your files and their role in causing it. These notes often combine intimidation with faux empathy, detailing the encryption process that will remove the Itrz extension, their demanded ransom (usually in cryptocurrency), and occasionally, a “generous” offer to decrypt a file or two as a gesture of their capabilities and purported good intentions. It’s a psychologically manipulative play, designed to induce urgency and panic, compelling victims to pay without a second thought.

Itrz Ransomware

Confronted with the Itrz ransomware, victims have several potential actions. First, paying the ransom: it may seem the quickest route to data recovery. However, it funds criminal operations and offers no guarantee of file restoration. Second, employing professional decryption tools: while some tools can reverse specific ransomware strains, they might not always be effective against newer or complex variants. Third, restoring from backups: is an optimal solution for those with recent, unaffected backups, but it’s contingent on prior preparation. Finally, conceding and purging the hard drive: a drastic measure suitable when compromised files are of little significance. This ensures the complete removal of the Itrz ransomware, but all data will be lost. Each choice carries its risks and rewards, and the optimal decision hinges on individual circumstances and risk appetite.

What is Itrz file?

An Itrz file is any piece of data on your PC that this malicious threat has encrypted. If you want to make sure such encryptions don’t happen in the future, begin with investing in robust antivirus software, ensuring it remains updated to detect evolving threats. Regularly back up essential files to offline storage, shielding them from potential encryption. Cultivate a cautious online behavior: avoid suspicious email attachments and steer clear of dubious download sources. If already afflicted, eliminate the ransomware using a reputable malware removal tool. Post-eradication, rather than paying ransoms, consider data restoration through cloud backups or specialized decryption tools that may reverse-engineer the decryption key when provided with an Itrz file and an accessible version of that same file.


Detection Tool

*Itrz is a variant of Stop/DJVU. Source of claim SH can remove it.

Itrz Ransomware Removal


In the start of this guide, we will recommend you to first reboot the infected computer in Safe Mode (click the link and follow the instructions there if you need help with that.)

In safe mode, the computer will run only the most essential processes and programs and this will eventually make it easier to spot any unusual ransomware-related activity on the system.

Another recommendation that we have is to save the page with the Itrz removal instructions by bookmarking it in your browser. In this way, if a system restart is required during some of the steps below, you can easily open it and continue from where you left.



*Itrz is a variant of Stop/DJVU. Source of claim SH can remove it.

Ransomware researchers know that threats like Itrz can operate under cover and can run one or more malicious processes in the system’s background without showing any symptoms that can give them away.

That’s why, if you have decided to deal with Itrz manually, a very important thing that you need to do is to check what kind of processes are presently running in the background.

For that, press CTRL, SHIFT and ESC from the keyboard at the same time. This will start the Task Manager. In it, open the Processes Tab and check what is going on there. You may need to have some basic computer knowledge to determine which of the processes that you see are legitimate and which of them could be ransomware-related. A possible indication could be the high usage of CPU and Memory without any particular activity from your side. Another indicator could be a process with a random name in the list. However, in some cases the ransomware may operate under a fake name that resembles the name of a legitimate program, in which case you may need to use a professional removal tool to detect and stop the dangerous process.

If you think that you have found a process that could be malicious, right-click on it and select the Open File Location option from the pop-up menu.


Drag and drop the files from that location to the free online virus scanner below and check them:

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    If the results from the scan show that there is danger in the files, end the process, and delete the files and their folders from the computer.

    Note: You can use the scanner above to check the files of every process that looks suspicious to you. When you are sure that you have stopped all Itrz-related processes from running, proceed to the next step.


    A lot of sophisticated malicious infections add components in the system that help them start operating as soon as the computer starts. Itrz is not an exception and may have added startup items in your system configurations without your knowledge. To check if this is the case, go to the Start Menu and type msconfig in the search field. Press Enter from the keyboard and as soon as you do that, a System Configuration window should open on the screen. In it, click on the Startup tab and take a look at the startup items listed there:


    If you believe that a given item is malicious and should not start with your computer, remove its checkmark to disable it. You may need to do some research online to be sure that the items you disable are not related to some essential processes and legitimate programs. 

    • Please keep in mind that, in some cases, the ransomware may use a fake Manufacturer name or a fake name to its process, so pay attention and research carefully everything that you are about to disable.

    The Hosts file of your system is another place that you need to check for unauthorized changes if you have been infected with Itrz. For that, press the Windows and R keyboard keys together and, in the Run box that opens, copy this line:

    notepad %windir%/system32/Drivers/etc/hosts

    Next, press Enter and this should open the Hosts file. In the text of the file, search for Localhost, and check if any suspicious-looking IP addresses have been added below:

    hosts_opt (1)

    In the ideal case, there should be nothing disturbing, but if you detect a bunch of virus-creator IPs in your file, please leave us a copy of them in the comments below this guide.


    *Itrz is a variant of Stop/DJVU. Source of claim SH can remove it.

    We do not recommend you to follow this step if you haven’t dealt with registry files before. If, however, you are sure that you can safely detect and remove all ransomware-related entries from the registry, please do the following:

    Click the Start menu button from the bottom left corner, type Regedit in the search field and press Enter

    As soon as the Registry Editor opens,use the CTRL and F key combination to open a Find window and type the ransomware’s Name in it.

    Next, search the registry for files and folders that are matching the name of the infection and carefully delete any results that are found.

    Attention! There is a real risk of a system damage if you delete files unrelated to the ransomware from your computer. To avoid involuntary system corruption, please use the professional removal software recommended on this page.  

    Next, go to the search field of the Start menu, copy/paste each of the items below one by one and press Enter to open each of them.

    1. %AppData%
    2. %LocalAppData%
    3. %ProgramData%
    4. %WinDir%
    5. %Temp%

    If you notice anything unusual in each of the locations, such as recently added files or folders with random names and unusual characters, carefully decide if they need to be removed.

    At the end, when you open Temp, select its content and delete everything.


    How to Decrypt Itrz files

    Experiencing a cyber onslaught can be unnerving, but grasping the specifics of the incursion aids in devising countermeasures. Observing peculiar extensions on your files might point towards the particular strain of ransomware you’re contending with. One such formidable contender in the cyber landscape is the Itrz ransomware, gaining notoriety in recent times.

    Identifying the culprit is just the initial step. The next critical action involves purging the malicious Itrz residue from your digital environment, thwarting additional encryptions or potential disruptions. To facilitate this, we advocate adhering to the detailed Itrz removal instructions provided earlier, bolstered by the advanced malware removal tool included in there.

    Introducing STOP Djvu’s Latest Variant

    The Djvu ransomware clan is infamous for its disruptive capabilities, and its offshoots, the STOP Djvu branches, are no different, leaving a trail of chaos by ciphering vital user data. The Itrz is a derivative of this subfamily, distinctively marking its territory by bestowing the .Itrz suffix on its captive files. If your documents are now bearing this extension, it signals Itrz’s handiwork.

    Despite the ominous rise of the Itrz malware version, not all hope is lost. The silver lining is that STOP Djvu-encrypted documents, especially ones encrypted with an offline key, might still be reclaimable. A specially designed decryption instrument offers a lifeline for the beleaguered. Access it here:

    Once the tool is at your disposal, kickstart it with administrator rights. A prompt will appear, and it’s advisable to choose “Yes.” Familiarizing yourself with the terms of use and the accompanying guide is crucial. Engage the ‘Decrypt’ option to start the recovery of the Itrz files. While hope is a powerful ally, staying aware of potential hurdles, like unfamiliar offline keys or online ciphering methodologies, is equally vital.


    About the author


    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.

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