Teza Virus Removal Guide (+Decrypt .teza files)

Teza – General Info

Teza is a harmful software application functioning as typical ransomware. Michael Gillespie, the well-known malware researcher, very first found this new name in the DJVU ransomware family.

Teza was created for the sole purpose to encrypt all popular file types. Realistically, as quickly as the file encryption is effectively accomplished, the users are not able to get access to them. Teza ransomware adds its own “.teza” to all the encrypted data. For example, the file “price_list.xls”, as soon as crypted by Teza, will be titled as “price_list.xls.teza”. Once the encryption is accomplished, Teza puts its own special text file (_readme.txt) into all the folders that store the encrypted files.

The message specified by document asking for the random os extremely similar to the notices provided by other ransomware threats coming from the DJVU family. The caution basically indicates that the data has been secured and the only solution to get access to it is to use a special standalone key. Regretfully, this statement is definitely real.

The method to secure the files used by Teza is not entirely looked into. However, there is no doubt that each computer owner may be provided a special decryption key, which is definitely unique. It is very tough to recuperate the data without the appropriate type in location.

“Don’t worry, you can return all your files!”, from text file message:

One more peculiarity of the Teza infection is that the users are unable to get access to the key. The decrypting key is hosted on an unique server under the complete control by the scoundrels who have actually launched the Teza ransomware into the world wide web. In order to obtain the key and bring back the crucial data, the users are informed to contact the scams by means of email or by telegram and to pay the ransom in the amount of $980.

The message also states that the people ought to contact the Teza authors within 72 hours upon the minute of the data encryption. The alert indicates that by doing so the people will acquire a 50% discount, for that reason, the ransom quantity falls to $490.

No matter what the quantity of the ransom is, we strongly advise that you do not pay the ransom. There is no assurance that these online crooks will keep their guarantees, so they may not care at all what the victims feel about the file encryption, even when the amount of the ransom is gotten into their accounts. Hence, paying ransom often does not result in an effective recovery. So, the users might merely lose their money for nothing.

Likewise, we prompt you not to call the scams as they advise. Do not transfer cash into their wallets. There are no applications that could break the Teza virus or bring back the information at no charge. Therefore, the only correct choice is to restore the data from possible backups (if available).

Virus Summary

Name Teza Ransomware
File Extension teza
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 .teza extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Teza Removal Tool   GridinSoft Anti-Malware
Teza Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now loaded with infections comparable to the Teza ransomware. For example, this particular hazard is basically similar to Brusaf and other ransomware-type infections. These damaging energies have actually been developed in order to encrypt the important data and reveal the demand for the users to pay the ransom. All these infections use the similar algorithm to generate the specific key for successful information decryption.

Unless the Teza ransomware is still under the advancement process or has actually got some concealed bugs, it is not possible to restore the data by hand. Thus, the only working solution to avoid the loss of your essential information is to routinely maintain up-to-date backups of all your important documents.

Another important piece of advice is to save the backups on special storage not connected to your main device. For instance, you may store it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely risky, since the backup might also be encrypted by the Teza virus.

Leaks for the Teza ransomware attack.

Teza utilizes many paths to infiltrate the susceptible computers. It is not particular what particular technique was utilized in your case, however, the intrusion might happen through the following channels:

  • bundling with third-party programs, primarily free apps;
  • spam e-mails from the unidentified senders;
  • sites supplying complimentary hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Teza might camouflage itself as some authentic application, for example, through the misleading signals demanding installation of some software update. This is the most typical technique used by the scams to inject the Teza infection files into the system. By doing this users partially take part in its installation, without clearly comprehending the risk.

Moreover, the scams might send unsolicited spam email with challenging alerts motivating the people to open suspicious accessories or click some download links, for example, those encouraging the people to open particular photos, text files, tax files and other information.

No doubt, opening these files or clicking on the destructive links may essentially damage the system. Fake Adobe Flash Player upgrade alerts may lead to the Teza ransomware infiltration. Similarly, downloading the cracked software might in addition contain the ransomware installer. The last however not the least, setup of Teza might take place through some Trojan horses that may be installed stealthily into the system and without the user’s direct consent and even authorization.

Avoiding the Teza ransom virus injection.

Of course, there is no absolute assurance that your computer will be always devoid of any malware attacks, nevertheless, we would like to share some beneficial ideas with you to make it safer. Ensure to pay extremely close attention while searching the web and especially while getting cost-free programs. Do not open any suspicious e-mail attachments, specifically if the sender is not known to you.

Do not forget that certain freeware installer might also include some other extra apps in the bundle. These additional applications may be extremely damaging. It is of utmost value to keep your anti-virus software and your operating system in basic to be constantly appropriately upgraded.

It is quite rational that downloading pirated apps is prohibited, nevertheless, furthermore, such unapproved apps use may likewise bring serious damage to your system. Thus, do not download any cracked programs. Plus, the reality that your present anti-virus did not secure the system from the Teza ransomware is an excellent reason for you to reassess your choices and switch to another program that can render the safeguarding functions on a much better level.

Below please find the quotation from the Teza 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 “.teza” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Teza ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

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 teza files

You can download Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. 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.
  4. 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.
  5. 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
  6. 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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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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