Ttza – Ransomware
Ttza is a malicious software application functioning as typical ransomware. Michael Gillespie, the popular malware researcher, very first discovered this new name in the DJVU ransomware family.
Ttza was created for the sole purpose to encrypt all popular file types. Logically, as soon as the encryption is successfully accomplished, the users are unable to get access to them. Ttza virus includes its own “.ttza” to all the encrypted files. For example, the file “price_list.xls”, once modified by Ttza, will be entitled as “price_list.xls.ttza”. Once the encryption is achieved, Ttza puts its own unique text file (_readme.txt) into all the folders that store the encrypted files.
The message mentioned by _readme.txt requesting for the random os extremely similar to the notifications given by other ransomware threats belonging to the DJVU family. The caution essentially indicates that the information has been encrypted and the only option to get access to it is to use an unique standalone key. Regretfully, this declaration is absolutely real.
The method to encrypt the files used by Ttza is not totally researched. However, there is no doubt that each computer system owner might be provided an unique decryption key, which is definitely distinct. It is extremely difficult to recover the data without the suitable type in location.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Ttza virus is that the users are not able 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 Ttza virus into the web. In order to acquire the key and restore the important data, the users are informed to connect with the scams via e-mail or by telegram and to pay the ransom in the amount of $980.
The message likewise states that individuals must call the Ttza authors within 72 hours upon the minute of the data encryption. The alert suggests that by doing so individuals will get a 50% discount, for that reason, the ransom quantity falls to $490.
Ttza encrypted your data, nevertheless, it may not be the only hazard on your computer. Plus, the ransomware might be hidden deep in the system. To find and erase the danger entirely, we suggest you to refer to the help of GridinSoft Anti-Malware .
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No matter what the quantity of the ransom is, we highly encourage that you do not pay the ransom. There is no warranty that these online crooks will keep their guarantees, so they might not care at all what the victims feel about the file encryption, even when the amount of the ransom is gotten into their accounts. For this reason, paying ransom frequently does not result in an effective healing. So, the users might just lose their money for nothing.
Similarly, we advise you not to call the scams as they advise. Do not move loan into their wallets. There are no applications that might crack the Ttza ransomware or restore the information for free. For that reason, the only appropriate decision is to restore the information from possible backups (if readily available).
Virus Summary
| Name | Ttza Ransomware |
| File Extension | ttza |
| 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 .ttza extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Ttza Removal Tool | GridinSoft Anti-Malware |
| Ttza Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now filled with infections comparable to the Ttza virus. For instance, this specific threat is generally identical to Brusaf and other ransomware-type infections. These damaging utilities have been established in order to encrypt the crucial information and reveal the need for the users to pay the ransom. All these infections utilize the identical algorithm to produce the specific key for effective data decryption.
Unless the Ttza ransomware is still under the development procedure or has actually got some concealed bugs, it is not possible to restore the data by hand. Thus, the only working option to avoid the loss of your crucial information is to frequently keep current backups of all your important documents.
Another important piece of advice is to store the backups on special storage not linked to your primary device. For example, you may store it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is very dangerous, considering that the backup might likewise be secured by the Ttza infection.
Leaks for the Ttza ransomware attack.
Ttza uses lots of courses to penetrate the susceptible computer systems. It is not specific what particular method was utilized in your case, nevertheless, the invasion may take place by means of the following channels:
- bundling with third-party programs, mainly free software;
- spam e-mails from the unidentified senders;
- websites offering free hosting;
- P2P (peer-to-peer) torrent software.
There are times when the Ttza virus may disguise itself as some real application, for instance, through the misleading signals requiring setup of some software upgrade. This is the most typical trick utilized by the frauds to inject the Ttza virus files into the system. In this manner users partly participate in its setup, without plainly comprehending the threat.
In addition, the scams may send unsolicited spam email with tricky informs encouraging individuals to open suspicious attachments or click some download links, for instance, those encouraging the people to open specific photos, text files, tax documents and other info.
No doubt, opening these files or clicking the malicious links may basically harm the system. Fake Media Player upgrade alerts may lead to the Ttza ransomware seepage. Similarly, downloading the cracked software application may in addition include the ransomware installer. The last however not the least, installation of Ttza might happen through some Trojan horses that might be set up stealthily into the system and without the user’s direct authorization and even approval.
Avoiding the Ttza attack.
Of course, there is no outright assurance that your computer system will be always free of any malware attacks, nevertheless, we would like to share some useful ideas with you to make it safer. Make certain to pay extremely attention while browsing the web and especially while getting cost-free programs. Do not open any suspicious e-mail attachments, particularly if the sender is not known to you.
Do not forget that certain freeware installer may also include some other additional apps in the bundle. These extra applications might be extremely harmful. It is of utmost value to keep your anti-virus software and your os in general to be constantly properly upgraded.
It is quite sensible that downloading pirated programs is unlawful, however, furthermore, such unauthorized software application usage might also bring severe damage to your computer. Thus, do not download any split programs. Plus, the truth that your current anti-virus did not secure the system from the Ttza ransomware is a great factor for you to reevaluate your choices and change to another program that can render the safeguarding functions on a better level.
Below please find the quotation from the Ttza 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 “.ttza” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Ttza 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 ttza 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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