Avyu Virus Removal Guide (+Decrypt .avyu files)

Avyu Virus – Details

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

Avyu was developed for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is successfully accomplished, the users are unable to get access to them. Avyu virus includes its own “.avyu” to all the encrypted data. For instance, the file “price_list.xls”, when crypted by Avyu, will be titled as “price_list.xls.avyu”. Once the encryption is achieved, Avyu puts its own special text document (_readme.txt) into all the folders that save the encrypted files.

The alert specified by _readme.txt requesting the random os very comparable to the alerts offered by other ransomware threats belonging to the DJVU family. The warning generally shows that the information has been secured and the only option to get access to it is to use an unique standalone key. Regretfully, this statement is absolutely real.

The approach to secure the files used by Avyu is not completely researched. However, there is no doubt that each computer system owner might be provided a special decryption key, which is absolutely distinct. It is exceptionally difficult to recover the information without the appropriate type in place.

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

One more peculiarity of the Avyu ransomware 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 criminals who have released the Avyu ransomware into the world wide web. In order to acquire the key and bring back the important information, the users are informed to get in touch with the frauds through email or by telegram and to pay the ransom in the amount of $980.

The message also states that individuals ought to get in touch with the Avyu authors within 72 hours upon the minute of the information encryption. The alert suggests that by doing so the people will acquire a 50% discount, for that reason, the ransom amount falls to $490.

No matter what the amount of the ransom is, we strongly advise that you do not pay the ransom. There is no assurance that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the encryption, even when the quantity of the ransom is received into their accounts. Hence, paying ransom typically does not result in a successful healing. So, the users may just lose their money for absolutely nothing.

Likewise, we prompt you not to call the frauds as they instruct. Do not move loan into their wallets. There are no applications that could crack the Avyu ransomware or bring back the data at no cost. For that reason, the only right choice is to restore the information from possible backups (if readily available).

Virus Summary

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

Do not forget that the Web is now filled with infections comparable to the Avyu ransomware. For example, this particular threat is generally identical to Brusaf and other ransomware-type infections. These harmful utilities have been established in order to encrypt the important data and express the demand for the users to pay the ransom. All these infections utilize the identical algorithm to produce the specific key for successful data decryption.

Unless the Avyu ransomware is still under the advancement process or has got some concealed bugs, it is not possible to bring back the data manually. Thus, the only working option to prevent the loss of your important information is to routinely keep updated backups of all your crucial documents.

Another crucial piece of recommendations is to store the backups on special storage not linked to your main device. For example, you may keep it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely risky, since the backup may also be encrypted by the Avyu infection.

Leaks for the Avyu ransomware attack.

Avyu uses many courses to infiltrate the susceptible computers. It is not particular what particular method was used in your case, however, the intrusion might take place through the following channels:

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

There are times when the Avyu ransomware might camouflage itself as some real application, for example, through the misleading informs demanding installation of some software upgrade. This is the most typical technique utilized by the scams to inject the Avyu infection files into the system. This way users partially participate in its setup, without plainly comprehending the risk.

Moreover, the frauds might send unsolicited spam email with tricky signals motivating the people to open dubious attachments or click some download links, for instance, those motivating the people to open certain images, text files, tax files and other info.

No doubt, opening these files or clicking on the destructive links might basically harm the system. Fake Acrobat Reader upgrade notifications may lead to the Avyu ransomware seepage. Similarly, downloading the split software application might additionally include the ransomware installer. The last however not the least, installation of Avyu might happen through some Trojan horses that might be set up stealthily into the system and without the user’s direct permission and even permission.

Avoiding the Avyu ransomware attack.

Naturally, there is no outright warranty that your computer system will be constantly devoid of any malware attacks, however, we wish to share some beneficial suggestions with you to make it safer. Make certain to pay really very close attention while browsing the web and especially while getting cost-free programs. Do not open any suspicious email attachments, especially if the sender is not understood to you.

Do not forget that certain freeware installer may also consist of some other extra apps in the package. These extra applications might be extremely damaging. It is of utmost value to keep your anti-virus software and your operating system in basic to be always correctly updated.

It is quite sensible that downloading cracked programs is illegal, nevertheless, additionally, such unapproved software use might also bring serious damage to your system. Thus, do not download any broken programs. Plus, the fact that your existing anti-virus did not safeguard the system from the Avyu ransomware is a great reason for you to reassess your options and switch to another program that can render the protecting functions on a far better level.

Below please find the quotation from the Avyu 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 “.avyu” extension added by the virus:”

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

1.Download GridinSoft Anti-Malware.

You can get 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 avyu 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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