Coty Virus Removal Guide (+Decrypt .coty files)

Coty – Ransomware

Coty is a malicious software working as common ransomware. Michael Gillespie, the popular virus researcher, very first found this new name in the DJVU ransomware family.

Coty was created for the sole function to encrypt all popular file types. Logically, as soon as the file encryption is successfully accomplished, the users are unable to get access to them. Coty virus includes its own “.coty” to all the encrypted files. For instance, the file “price_list.xls”, once modified by Coty, will be titled as “price_list.xls.coty”. When the file encryption is achieved, Coty puts its own distinct text document (_readme.txt) into all the folders that keep the encrypted files.

The alert specified by document requesting the random os extremely similar to the alerts given by other ransomware hazards belonging to the DJVU family. The warning generally indicates that the data has been secured and the only service to get access to it is to use a special standalone key. Regretfully, this statement is absolutely real.

The technique to encrypt the files used by Coty is not totally looked into. Nevertheless, there is no doubt that each computer system owner may be provided a special decryption key, which is definitely distinct. It is exceptionally tough to recover the information without the proper type in location.

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

One more peculiarity of the Coty 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 launched the Coty ransomware into the web. In order to acquire the key and restore the important information, the users are informed to get in touch with the scams through e-mail or by telegram and to pay the ransom in the quantity of $980.

The message also states that individuals need to get in touch with the Coty authors within 72 hours upon the moment of the information file encryption. The alert suggests that by doing so the people will acquire a 50% discount rate, therefore, the ransom quantity falls to $490.

No matter what the quantity of the ransom is, we highly recommend that you do not pay the ransom. There is no guarantee that these online criminals will keep their guarantees, 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 an effective healing. So, the users may simply lose their money for nothing.

Similarly, we urge you not to get in touch with the scams as they advise. Do not transfer money into their wallets. There are no applications that could crack the Coty ransomware or bring back the data at no charge. Therefore, the only correct decision is to restore the information from possible backups (if offered).

Virus Summary

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

Do not forget that the Internet is now loaded with infections comparable to the Coty virus. For example, this particular danger is essentially similar to Brusaf and other ransomware-type infections. These harmful utilities have actually been developed in order to encrypt the crucial data and express the need for the users to pay the ransom. All these infections utilize the identical algorithm to generate the specific key for effective information decryption.

Unless the Coty ransomware is still under the advancement procedure or has actually got some hidden bugs, it is not possible to bring back the information by hand. Therefore, the only working solution to prevent the loss of your crucial data is to routinely keep updated backups of all your important documents.

Another crucial piece of recommendations is to keep the backups on special storage not linked to your main PC. For instance, you might keep it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is extremely risky, because the backup might likewise be encrypted by the Coty infection.

Leaks for the Coty ransomware attack.

Coty uses many courses to penetrate the susceptible computers. It is not particular what specific technique was utilized in your case, however, the invasion may take place through the following channels:

  • bundling with third-party programs, mainly freeware;
  • spam emails from the unknown senders;
  • websites offering complimentary hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Coty ransomware may disguise itself as some real application, for example, through the misleading informs requiring installation of some software application upgrade. This is the most common technique utilized by the frauds to inject the Coty ransomware files into the system. This way users partly take part in its setup, without plainly understanding the risk.

Additionally, the scams might send unsolicited spam e-mail with challenging informs motivating individuals to open suspicious accessories or click on some download links, for example, those motivating individuals to open specific images, text files, tax files and other information.

No doubt, opening these files or clicking on the malicious links may basically harm the system. Fake Adobe Flash Player update alerts may cause the Coty ransomware infiltration. Likewise, downloading the cracked software application may additionally consist of the ransomware installer. The last however not the least, installation of Coty may take place through some Trojan horses that may be installed stealthily into the system and without the user’s direct permission or even authorization.

Avoiding the Coty ransomware injection.

Of course, there is no absolute assurance that your computer will be constantly devoid of any malware attacks, nevertheless, we want to share some useful pointers with you to make it safer. Ensure to pay very attention while browsing the web and particularly while downloading cost-free programs. Do not open any dubious e-mail attachments, particularly if the sender is not known to you.

Do not forget that specific freeware installer may also contain some other extra apps in the bundle. These additional applications might be extremely damaging. It is of utmost value to keep your anti-virus software application and your os in basic to be always properly updated.

It is rather rational that downloading pirated software is unlawful, nevertheless, additionally, such unapproved software application use may likewise bring serious damage to your PC. Thus, do not download any cracked programs. Plus, the fact that your existing anti-virus did not safeguard the system from the Coty ransomware is a great reason for you to reconsider your choices and change to another program that can render the protecting functions on a better level.

Below please find the quotation from the Coty 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 “.coty” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Coty 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 coty 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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