Yytw Virus Removal Guide (+Decrypt .yytw files)

Yytw Virus Ransomware

Yytw is a destructive software application functioning as typical ransomware. Michael Gillespie, the well-known malware researcher, first discovered this new name in the DJVU ransomware family.

Yytw was developed for the sole function to encrypt all popular file types. Logically, as quickly as the file encryption is effectively accomplished, the users are unable to get access to them. Yytw virus includes its own “.yytw” to all the encrypted files. For example, the file “price_list.xls”, when crypted by Yytw, will be entitled as “price_list.xls.yytw”. Once the encryption is accomplished, Yytw puts its own special text document (_readme.txt) into all the folders that save the encrypted files.

The message stated by document requesting for the random os extremely comparable to the alerts provided by other ransomware risks coming from the DJVU family. The warning essentially indicates that the information has been secured and the only solution to get access to it is to use a distinct standalone key. Regretfully, this declaration is absolutely true.

The method to secure the files utilized by Yytw is not completely researched. However, there is no doubt that each computer owner may be released a special decryption key, which is definitely distinct. It is incredibly tough to recuperate the data without the appropriate type in place.

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

One more peculiarity of the Yytw infection 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 introduced the Yytw ransomware into the internet. In order to acquire the key and restore the important information, the users are informed to contact the frauds by means of e-mail or by telegram and to pay the ransom in the amount of $980.

The message also says that individuals need to call the Yytw authors within 72 hours upon the minute of the data encryption. The alert indicates that by doing so the people will get a 50% discount rate, therefore, the ransom quantity drops down to $490.

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

Likewise, we urge you not to call the scams as they instruct. Do not transfer cash into their wallets. There are no applications that might crack the Yytw ransomware or restore the data at no charge. Therefore, the only right decision is to restore the information from possible backups (if readily available).

Virus Summary

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

Do not forget that the Internet is now full of infections comparable to the Yytw ransomware. For instance, this specific risk is basically identical to Brusaf and other ransomware-type infections. These harmful utilities have been established in order to encrypt the important data and reveal the need for the users to pay the ransom. All these infections use the similar algorithm to produce the specific key for effective data decryption.

Unless the Yytw ransomware is still under the development procedure or has got some concealed bugs, it is not possible to bring back the data by hand. Therefore, the only working option to avoid the loss of your important information is to routinely maintain current backups of all your crucial data.

Another crucial piece of suggestions is to keep the backups on unique storage not connected to your main PC. For instance, you may store it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your routine drive is really dangerous, considering that the backup might also be encrypted by the Yytw infection.

Leakages for the Yytw ransomware attack.

Yytw uses numerous paths to infiltrate the susceptible computers. It is not specific what particular method was used in your case, however, the invasion may occur via the following channels:

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

There are times when the Yytw ransomware may camouflage itself as some authentic application, for example, through the deceptive alerts demanding installation of some software upgrade. This is the most common technique utilized by the frauds to inject the Yytw virus files into the system. By doing this users partially participate in its setup, without clearly understanding the threat.

Moreover, the frauds might send out unsolicited spam e-mail with tricky notifies encouraging the people to open suspicious accessories or click some download links, for example, those motivating individuals to open particular photos, text files, tax files and other info.

No doubt, opening these files or clicking the harmful links may essentially damage the system. Fake Acrobat Reader upgrade notices may result in the Yytw ransomware seepage. Likewise, downloading the broken software may additionally include the ransomware installer. The last however not the least, setup of Yytw might occur through some Trojan horses that may be installed stealthily into the system and without the user’s direct authorization or even consent.

Preventing the Yytw injection.

Of course, there is no outright warranty that your computer will be constantly free of any malware attacks, nevertheless, we want to share some helpful tips with you to make it much safer. Ensure to pay really very close attention while searching the web and particularly while getting cost-free programs. Do not open any suspicious email accessories, specifically if the sender is not known to you.

Do not forget that certain freeware installer may likewise include some other extra apps in the bundle. These extra applications may be very destructive. It is of utmost importance to keep your anti-virus software application and your operating system in basic to be always properly updated.

It is rather logical that downloading pirated software is illegal, nevertheless, in addition, such unauthorized software use may also bring major damage to your PC. Thus, do not download any broken programs. Plus, the fact that your present anti-virus did not secure the system from the Yytw ransomware is an excellent reason for you to reevaluate 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 Yytw 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 “.yytw” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Yytw 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 yytw 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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