Gatz – Ransomware
Gatz is a destructive software application working as common ransomware. Michael Gillespie, the popular virus researcher, first discovered this new name in the DJVU ransomware family.
Gatz was developed for the sole function to encrypt all popular file types. Realistically, as quickly as the file encryption is effectively accomplished, the users are unable to get access to them. Gatz virus includes its own “.gatz” to all the encrypted files. For instance, the file “price_list.xls”, as soon as crypted by Gatz, will be titled as “price_list.xls.gatz”. Once the file encryption is accomplished, Gatz puts its own special text file (_readme.txt) into all the folders that save the encrypted files.
The alert specified by document asking for the random os really similar to the alerts provided by other ransomware dangers coming from the DJVU family. The caution generally indicates that the data has been secured and the only option to get access to it is to use a special standalone key. Regretfully, this declaration is definitely real.
The method to secure the files used by Gatz is not entirely researched. However, there is no doubt that each computer owner might be issued an unique decryption key, which is absolutely special. It is very hard to recuperate the information without the appropriate type in location.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Gatz ransomware is that the users are unable to get access to the key. The decrypting key is hosted on an unique server under the total control by the scoundrels who have launched the Gatz ransomware into the internet. In order to get the key and bring back the crucial data, the users are informed to get in touch with the scams via email or by telegram and to pay the ransom in the amount of $980.
The message likewise says that the people need to get in touch with the Gatz authors within 72 hours upon the minute of the information file encryption. The alert shows that by doing so individuals will get a 50% discount rate, therefore, the ransom quantity drops down to $490.
Gatz modified your files, nevertheless, it might not be the only threat on your PC. Plus, the ransomware might be hidden deep in the system. To identify and delete the threat completely, we advise you to refer to the assistance of GridinSoft Anti-Malware app.
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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 crooks will keep their guarantees, so they may not care at all what the victims feel about the encryption, even when the amount of the ransom is received into their accounts. Thus, paying ransom frequently does not lead to a successful recovery. So, the users may simply lose their money for absolutely nothing.
Similarly, we advise you not to call the scams as they advise. Do not transfer cash into their wallets. There are no applications that might crack the Gatz virus or restore the data for free. For that reason, the only proper decision is to restore the information from possible backups (if available).
Virus Summary
| Name | Gatz Ransomware |
| File Extension | gatz |
| Type | Ransomware |
| Family | DJVU |
| Short Description | The 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. |
| Symptoms | File 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 .gatz extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Gatz Removal Tool | GridinSoft Anti-Malware |
| Gatz Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now filled with infections similar to the Gatz ransomware. For example, this particular risk is essentially identical to Brusaf and other ransomware-type infections. These damaging energies have actually been established in order to secure the essential information and reveal the demand for the users to pay the ransom. All these infections use the similar algorithm to create the specific key for effective information decryption.
Unless the Gatz ransomware is still under the development process or has actually got some concealed bugs, it is not possible to bring back the data by hand. Thus, the only working solution to prevent the loss of your essential data is to frequently preserve current backups of all your crucial files.
Another essential piece of suggestions is to keep the backups on special storage not connected to your primary PC. For example, you might save it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is very dangerous, since the backup might likewise be secured by the Gatz .
Leakages for the Gatz ransomware attack.
Gatz uses numerous courses to infiltrate the vulnerable computer systems. It is not specific what specific technique was used in your case, nevertheless, the invasion might take place via the following channels:
- bundling with third-party programs, primarily free apps;
- spam emails from the unknown senders;
- sites offering free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Gatz ransomware might disguise itself as some real application, for instance, through the misleading alerts demanding setup of some software update. This is the most typical trick utilized by the scams to inject the Gatz ransomware files into the system. In this manner users partly take part in its setup, without plainly comprehending the threat.
Furthermore, the scams might send unsolicited spam email with tricky signals encouraging individuals to open dubious attachments or click on some download links, for example, those motivating the people to open particular photos, text files, tax files and other information.
No doubt, opening these files or clicking on the harmful links might essentially damage the system. Fake Acrobat Reader update notices may result in the Gatz ransomware infiltration. Likewise, downloading the split software application might additionally contain the ransomware installer. The last but not the least, setup of Gatz may take place through some Trojan horses that might be installed stealthily into the system and without the user’s direct approval or perhaps permission.
Preventing the Gatz ransomware injection.
Obviously, there is no outright assurance that your computer system will be constantly devoid of any malware attacks, however, we wish to share some helpful ideas with you to make it safer. Make certain to pay really very close attention while browsing the web and specifically while downloading cost-free programs. Do not open any suspicious email attachments, particularly if the sender is not known to you.
Do not forget that specific freeware installer might likewise consist of some other extra apps in the package. These additional applications might be extremely destructive. It is of utmost importance to keep your anti-virus software and your os in general to be always appropriately upgraded.
It is rather rational that downloading cracked software is illegal, however, additionally, such unauthorized programs usage might likewise bring severe damage to your system. For this reason, do not download any broken programs. Plus, the truth that your present anti-virus did not protect the system from the Gatz ransomware is a great factor for you to reconsider your choices and switch to another program that can render the safeguarding functions on a better level.
Below please find the quotation from the Gatz text file:
ATTENTION! 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: https://we.tl/t-2P5WrE5b9f 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: restorealldata@firemail.cc Reserve e-mail address to contact us: gorentos@bitmessage.ch Our Telegram account: @datarestore
Screenshot of files with “.gatz” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Gatz ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
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.
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.
3. Press Install button for run GridinSoft Anti-Malware.
3.Once installed, GridinSoft Anti-Malware will automatically run.
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.
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.
Use Emsisoft Decryptor for restore gatz files
You can download Emsisoft Decryptor by clicking the button below:
- Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
- Once the license terms are accepted, the primary decryptor user interface opens.
- 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.
- 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.
- 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
- 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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