Bhtw Virus Removal Guide (+Decrypt .bhtw files)

Bhtw – Ransomware

Bhtw is a malicious software application working as common ransomware. Michael Gillespie, the well-known virus researcher, very first found this new name in the DJVU ransomware family.

Bhtw was developed for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is effectively achieved, the users are not able to get access to them. Bhtw ransomware adds its own “.bhtw” to all the encrypted files. For example, the file “price_list.xls”, as soon as modified by Bhtw, will be titled as “price_list.xls.bhtw”. Once the file encryption is achieved, Bhtw puts its own distinct text document (_readme.txt) into all the folders that store the encrypted files.

The message mentioned by document asking for the random os really comparable to the notifications offered by other ransomware threats belonging to the DJVU family. The caution essentially shows that the files have been secured and the only service to get access to it is to use a distinct standalone key. Regretfully, this statement is absolutely real.

The technique to secure the files utilized by Bhtw is not completely looked into. However, there is no doubt that each computer system owner might be provided a special decryption key, which is definitely special. It is extremely difficult to recuperate the information without the suitable key in location.

“Don’t worry, you can return all your files!”, from _readme.txt message:

One more peculiarity of the Bhtw virus 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 introduced the Bhtw ransomware into the internet. In order to obtain the key and restore the important data, the users are informed to contact the frauds through e-mail or by telegram and to pay the ransom in the quantity of $980.

The message also says that individuals should call the Bhtw authors within 72 hours upon the moment of the information encryption. The alert suggests that by doing so individuals will obtain a 50% discount, therefore, the ransom amount falls to $490.

No matter what the amount of the ransom is, we highly recommend that you do not pay the ransom. There is no guarantee that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the file encryption, even when the quantity of the ransom is gotten into their accounts. For this reason, paying ransom often does not lead to a successful healing. So, the users might merely lose their money for absolutely nothing.

Similarly, we advise you not to call the scams as they instruct. Do not transfer cash into their wallets. There are no applications that might crack the Bhtw virus or restore the data for free. For that reason, the only proper choice is to restore the data from possible backups (if available).

Virus Summary

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

Do not forget that the Web is now loaded with infections comparable to the Bhtw ransomware. For example, this particular risk is essentially similar to Brusaf and other ransomware-type infections. These damaging energies have actually been established in order to secure the important data and reveal the need for the users to pay the ransom. All these infections utilize the similar algorithm to produce the particular key for effective files decryption.

Unless the Bhtw ransomware is still under the advancement procedure or has actually got some concealed bugs, it is not possible to bring back the information manually. Thus, the only working service to prevent the loss of your essential data is to routinely keep updated backups of all your important files.

Another essential piece of guidance is to store the backups on special storage not linked to your primary PC. For example, 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 system drive is very dangerous, because the backup may likewise be encrypted by the Bhtw virus.

Leakages for the Bhtw ransomware attack.

Bhtw utilizes numerous paths to infiltrate the susceptible computer systems. It is not specific what particular technique was used in your case, nevertheless, the intrusion may occur via the following channels:

  • bundling with third-party programs, generally free software;
  • spam e-mails from the unidentified senders;
  • websites offering complimentary hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Bhtw ransomware might disguise itself as some authentic application, for instance, through the deceptive notifies demanding installation of some software application update. This is the most typical trick used by the scams to inject the Bhtw infection files into the system. By doing this users partly take part in its setup, without clearly understanding the danger.

In addition, the scams might send unsolicited spam e-mail with difficult alerts motivating the people to open suspicious accessories or click on some download links, for example, those motivating individuals to open particular pictures, 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 notices may cause the Bhtw ransomware infiltration. Similarly, downloading the cracked software might furthermore contain the ransomware installer. The last however not the least, installation of Bhtw may take place through some Trojan horses that may be set up stealthily into the system and without the user’s direct authorization and even permission.

Avoiding the Bhtw attack.

Of course, there is no outright guarantee that your computer system will be constantly devoid of any malware attacks, nevertheless, we want to share some useful suggestions with you to make it safer. Make sure to pay extremely attention while browsing the web and specifically while downloading cost-free programs. Do not open any dubious e-mail accessories, especially if the sender is not understood to you.

Do not forget that specific freeware installer may likewise consist of some other extra apps in the bundle. These additional applications might be really destructive. It is of utmost importance to keep your anti-virus software and your operating system in general to be constantly correctly updated.

It is rather rational that downloading pirated software is unlawful, nevertheless, in addition, such unauthorized software usage may also bring serious damage to your computer. Hence, do not download any split programs. Plus, the fact that your current anti-virus did not protect the system from the Bhtw ransomware is a great reason for you to reevaluate your options and change to another program that can render the protecting functions on a far better level.

Below please find the quotation from the Bhtw 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 “.bhtw” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Bhtw 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 bhtw files

You can get 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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