Remove TCYO Virus (.[yourfiles1@cock.li].TCYO Files Ransomware) – Dharma Ransomware

TCYO – General Info

The TCYO stands for a ransomware-type infection. The virus comes from the Dharma ransomware family. TCYO was elaborated particularly to encrypt all major file types. As soon as the file is encrypted people are not able to use them. TCYO adds the “.[yourfiles1@cock.li].TCYO” extension for each file encrypted by it. For example, the file “myphoto.jpg“, as soon as encrypted by TCYO, will be renamed into “myphoto.jpg.[yourfiles1@cock.li].TCYO“. As soon as the encryption is completed, TCYO places a special text file into every folder containing the encrypted data.

The message given by TCYO text file requesting for the ransom is definitely the same as the statements given by other ransomware representatives coming from the Dharma clan. It actually mentions that the information is encrypted which the only way to restore it is to use a a special decryption key. Regretfully, this is definitely true. The type of cryptography mechanism applied by TCYO is still not correctly examined. Still, it is definitely specific that each victim might be given the specific decryption key, which is totally unique. It is impossible to restore the files without the key available.

Another trick of TCYO is that the victims cannot get to the key. The key is kept on a specific server run by the frauds related to TCYO ransomware. To get the key and recover the important info people need to pay the ransom.

Nonetheless, regardless of the requested quantity, people must keep away from paying the ransom virus. Cyber frauds are unfair, so they tend to completely disregard what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom usually does not provide any positive outcome and people just lose their money for absolutely nothing.

We strongly 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 TCYO ransomware and to recover the information data free of charge. Hence, the just best decision is to recover the lost information from the available backup.

Virus Summary

Name TCYO Ransomware
File Extension .[yourfiles1@cock.li].TCYO
Type Ransomware
Family Dharma
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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special [yourfiles1@cock.li].TCYO extension to all the files modified by it.
Distribution Method Spam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Bear in mind that the web is now overwhelmed with threats that look similar to TCYO ransomware. Destructive programs of such kind are normally elaborated to encrypt crucial data and to state the need prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a similar algorithm to produce the unique decryption key for files decryption.

Thus, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is just not feasible. The only way to prevent the loss of your important data is to routinely create backups of your important information.

Remember that even if you create such backups, they need to be placed into a special storage utility not connect to your main computer. You may use the USB Memory Stick or external disk drive for this purpose, or refer to the help of the cloud storage. If you keep your backup files on your common system they may be encrypted together with other files, so it’s absolutely not a good storage place.

How did ransomware infect my system?

There are several ways used by online scams to distribute TCYO ransomware. Even though it doubts how exactly TCYO injects your PC, there are some leaks through which it may penetrate the system:

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

Frequently TCYO ransomware may be presented as some legitimate software application, for example, in the pop-ups advising users to implement some important software updates. This is the typical technique used by online scams to persuade people into downloading and installing TCYO infection manually, by means of their direct participation in the installation process.

In addition, the criminals might refer to different e-mail spam strategies to inject harmful codes into PC. So, they may refer to to sending unsolicited spam e-mails with tricky notices promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some receipts, files, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may badly harm the PC. Fictitious Adobe Flash Player upgrade alerts may result in TCYO virus injection. When it comes to the cracked software, these illegally downloaded programs may likewise contain harmful codes causing TCYO secret installation. Finally, injection of TCYO may occur by ways of Trojans that secretly get injected into the system and install harmful tools without the user’s approval.

Is there any way to prevent the injection of TCYO ransomware?

Although there is no 100% guarantee to avoid your system from getting infected, there are some pieces of guidance we wish to share with with you. First of all, be really mindful when you browse the web and specifically while downloading free apps. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Remember that some freeware installers may contain other unwanted utilities in the bundle, so they may be harmful. Make certain that your current antivirus software and your entire operating system is always appropriately updated.

Of course, downloading pirated software is illegal and may result in necessary damage to be produced your system. Thus, stay away from downloading cracked software. You are also highly recommended to reconsider your existing security software and potentially switch to another security solution that can render better services of protecting your system.

Below please find the quotation from the TCYO text file:

YOUR FILES ARE ENCRYPTED

Don\'t worry,you can return all your files!
If you want to restore them, follow this link:email yourfiles1@cock.li YOUR ID 1E857D00
If you have not been answered via the link within 12 hours, write to us by e-mail:tcprx@tutanota.de

Attention!
Do not rename encrypted files.
Do not try to decrypt your data using third party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Screenshot of files with “.[yourfiles1@cock.li].TCYO” extension added by the ransomware:

Use GridinSoft Anti-Malware to remove TCYO 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.

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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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