RansomwareRemoval Guide

Remove Matryoshka Virus (.Matryoshka Files Ransomware)

Matryoshka Virus – Details

The Matryoshka mean a ransomware-type infection. Matryoshka was elaborated specifically to encrypt all major file types. Once the file is encrypted people are not able to use them. Matryoshka adds the “.Matryoshka” extension for each file encrypted by it. For example, the file “myphoto.jpg“, as soon as encrypted by Matryoshka, will be renamed into “myphoto.jpg.Matryoshka“. As quickly as the encryption is finished, Matryoshka places a special text file into every folder containing the encrypted data.

The message given by Matryoshka text file requesting the ransom is absolutely the like the statements given by other ransomware virus representatives. It literally discusses that the information is encrypted and that the only way to bring back it is to use a an unique decryption key. Unfortunately, this is absolutely true. The type of cryptography mechanism used by Matryoshka is still not properly examined. Still, it is definitely specific that each victim might be given the specific decryption key, which is absolutely distinct. It is impossible to bring back the files without the key available.

Another technique of Matryoshka is that the victims cannot access to the key. The key is saved on a specific server run by the frauds related to Matryoshka ransomware. To get the key and recover the important info people have to pay the ransom.

Nevertheless, regardless of the asked for amount, people need to keep away from paying the virus. Cyber frauds are not fair, so they tend to totally ignore what their victims feel about the issue, even when the payment reaches their pockets. This is why paying the ransom generally does not provide any positive result and people just lose their money for absolutely nothing.

We highly recommend that you do not contact these crooks and absolutely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Matryoshka ransomware and to recover the data data free of charge. Thus, the just best decision is to recover the lost data from the available backup.

Virus Summary

NameMatryoshka Ransomware
File Extension.Matryoshka
TypeRansomware
Short DescriptionThe 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.
SymptomsFile encryption by the ransomware is performed by means of the AES and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special Matryoshka extension to all the files modified by it.
Distribution MethodSpam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Remember that the web is now overwhelmed with threats that look similar to Matryoshka ransomware. Harmful programs of such kind are usually elaborated to encrypt essential information and to state the demand prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to create the unique decryption key for files decryption.

Hence, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is simply not feasible. The only method to avoid the loss of your crucial data is to routinely create backups of your important information.

Bear in mind that even if you create such backups, they need to be put into a special storage utility not connect to your main computer. You may use the USB Flash Drive or external disk drive for this purpose, or refer to the help of the cloud storage. If you store your backup files on your common system they may be encrypted in addition to other files, so it’s absolutely not a good storage location.

How did ransomware infect my system?

There are numerous methods used by online frauds to distribute Matryoshka virus. Even though it doubts how exactly Matryoshka injects your computer, there are some leaks through which it may infiltrate the system:

  • integration with third-party apps, especially freeware;
  • spam e-mails from unknown senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Frequently Matryoshka virus may be presented as some legitimate software, for example, in the pop-ups advising users to execute some important software updates. This is the typical trick used by online frauds to persuade people into downloading and installing Matryoshka infection manually, by ways of their direct participation in the installation process.

Furthermore, the criminals might describe various email spam tactics to inject malicious codes into systems. So, they may describe to sending unsolicited spam e-mails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones motivating users to open some receipts, documents, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may seriously harm the PC. Fictitious Adobe Flash Player upgrade informs may result in Matryoshka virus injection. As for the cracked applications, these illegally downloaded programs may also include harmful codes resulting in Matryoshka secret installation. Lastly, injection of Matryoshka may take place by means of Trojans that secretly get injected into the system and set up destructive utilities without the user’s consent.

Is there any way to avoid the injection of Matryoshka ransomware?

Although there is no 100% guarantee to avoid your system from getting infected, there are some pieces of suggestions we wish to show with you. Firstly, be extremely careful when you browse the web and especially while downloading complimentary programs. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Keep in mind that some freeware installers may contain other unwanted utilities in the bundle, so they may be harmful. Ensure that your current anti-virus and your entire OS is always duly updated.

Naturally, downloading pirated software is illegal and may result in essential damage to be produced your PC. Hence, stay away from downloading cracked software. You are likewise highly recommended to reconsider your existing security software and potentially change to another security solution that can render far better services of defending your PC.

Below please find the quotation from the Matryoshka text file:

Ooops!!!
You have been infected by Matryoshka Ransomware.
Read all instructions carefully to recover files.

What is Matryoshka Ransomware?
Ransomware is a computer program that encrypts files with military grade cryptography algorithms. This means you cannot decrypt it alone, you need creators of such virus to decrypt for you.

Matryoshka has infected you and your files are now encrypted. Good news! We can decrypt for you. That, however, comes with small price: $75 (seventy five US dollars). Very cheap, yes? Other ransomwares charge up to $1000, we are being generous!

You are advised to pay the fee within 20 days of infection (as seen on left of window). If demand is not met, all encrypted files are deleted FOREVER.

Things you must know
Only Matryoshka Team (Йосеф and Алик) can decrypt your files. Any attempt you do is futile. If you delete this program, you never recover files!!! Uninstall or stop your antivirus or it may remove Matryoshka and, by consequence, your files. Immediately.

How to pay
You pay the fee using cryptocurrency. No worries, it is easy! We only accept Monero for payment because is very private and your information is not leaked. You can buy Monero on sites online, like Binance.

To buy cryptocurrency Monero (XMR), you need wallet. When buying Monero from Binance for example it will create the wallet for you. The wallet is how we identify your computer and unlock your files.

Go on Google to learn more of how to buy XMR (Monero).

YOU MUST SEND PAYMENT TO THE WALLET BELOW:

47NVMZew49WYxzHGQUJZARRXu38ydxCyj4iXPn69jL 5xXvitL8wyq7yVpYcfNxs6M5ckDdpJdpMbP7buEqtNs1FE15wmby4

How are files unlocked
When you send payment, it takes a little time (around 30 minutes) to the Blockchain to register it. You will then need to insert your wallet (is 95 characters long) in this program on the payment field below, and press \"CONFIRM\". But be careful, if you specify wrong wallet, it will be bad and you will not be able to recover your files! We have program running to check payments, when you confirm that you have sent it our server receives information and will wait to see if payment is received.

Encryption keys are stored in our server, you do not have access. When payment is confirmed, the program gets the key and performs decryption unlocking your precious files.

This program asks the server if payment is received every 10 minutes. If yes, then files are recovered, decrypted, everything is fixed and this program is gone. If you have any problem, email us at matryoshka.iosef@airmail.cc and we provide support. Only email if problem is with payment confirmation delay!

Screenshot of files with “.Matryoshka” extension added by the ransomware:
Matryoshka Ransomware - encrypt files with .Matryoshka extension

Use GridinSoft Anti-Malware to remove Matryoshka 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.
GridinSoft Anti-Malware
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.
GridinSoft Anti-Malware Setup

3. Press Install button for run GridinSoft Anti-Malware.

GridinSoft Anti-Malware Install

3.Once installed, GridinSoft Anti-Malware will automatically run.

GridinSoft Anti-Malware  Start

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.
GridinSoft Anti-Malware Scan

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.
GridinSoft Anti-Malware Scan Result

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Sending

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Back to top button