Remove Tohnichi Virus (.tohnichi Files Ransomware) – DelShad Ransomware

Tohnichi Virus Ransomware

The Tohnichi stands for a ransomware-type infection. The infection comes from the DelShad ransomware family. Tohnichi was elaborated specifically to encrypt all major file types. As soon as the file is encrypted people are unable to use them. Tohnichi adds the “.tohnichi” extension for each file encrypted by it. For example, the file “myphoto.jpg“, once encrypted by Tohnichi, will be renamed into “myphoto.jpg.tohnichi“. As quickly as the encryption is finished, Tohnichi places a special text file into every folder containing the encrypted data.

The message given by Tohnichi text file asking for the ransom is absolutely the same as the statements given by other ransomware representatives belonging to the DelShad type. It literally points out that the information is encrypted and that the only way to restore it is to use a a distinct decryption key. Regretfully, this is definitely true. The kind of cryptography mechanism applied by Tohnichi is still not appropriately examined. Still, it is absolutely specific that each victim may be given the specific decryption key, which is absolutely distinct. It is impossible to bring back the files without the key available.

Another trick of Tohnichi is that the victims cannot gain access to the key. The key is kept on a particular server run by the frauds associated with Tohnichi ransomware. To get the key and recover the important information people have to pay the ransom.

Nonetheless, regardless of the requested amount, people should keep away from paying the 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 typically does not give any positive result and people simply lose their money for absolutely nothing.

We strongly recommend that you do not contact these crooks and certainly do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Tohnichi ransomware and to recover the information data for free. Therefore, the just right decision is to recover the lost information from the available backup.

Virus Summary

Name Tohnichi Ransomware
File Extension .tohnichi
Type Ransomware
Family DelShad
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 tohnichi extension to all the files modified by it.
Distribution Method Spam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Remember that the web is now overwhelmed with threats that look comparable to Tohnichi ransomware. Harmful programs of such kind are generally elaborated to encrypt important 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 similar algorithm to create the special 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 method to prevent the loss of your important data is to regularly create backups of your important information.

Keep in mind that even if you create such backups, they should be placed into a special storage utility not connect to your main PC. You may use the Memory Stick or external hard 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 together with other files, so it’s certainly not a good storage location.

How did ransomware infect my system?

There are numerous ways used by online frauds to distribute Tohnichi virus. Even though it doubts how precisely Tohnichi injects your PC, there are some leaks through which it may infiltrate the system:

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

Frequently Tohnichi ransomware may exist as some genuine software, for example, in the pop-ups instructing users to implement some crucial software application updates. This is the typical technique used by online frauds to persuade people into downloading and installing Tohnichi infection manually, by means of their direct participation in the installation process.

In addition, the criminals might describe different email spam tactics to inject destructive codes into systems. So, they may refer to 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 photos, documents, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may severely damage the system. Fictitious Adobe Flash Player update informs may result in Tohnichi ransom injection. As for the cracked applications, these illegally downloaded programs may likewise contain harmful codes leading to Tohnichi secret installation. Finally, injection of Tohnichi may happen by means of Trojans that secretly get injected into the system and install destructive tools without the user’s permission.

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

Despite the fact that there is no 100% guarantee to avoid your system from getting infected, there are some pieces of advice we want to show with you. Firstly, be really mindful when you surf the web and specifically while downloading totally free apps. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Bear in mind that some freeware installers may include other unwanted utilities in the bundle, so they may be harmful. Make certain that your current anti-virus and your entire operating system is always appropriately updated.

Obviously, downloading pirated software is unlawful and may lead to vital damage to be made for your system. For this reason, stay away from downloading cracked software. You are also highly advised to reconsider your existing security software and possibly change to another security solution that can render far better services of defending your PC.

Below please find the quotation from the Tohnichi text file:

Your personal identifier: -

All files on TOHNICHI network have been encrypted due to insufficient security.
The only way to quickly and reliably regain access to your files is to contact us.
The price depends on how fast you write to us.
In other cases, you risk losing your time and access to data. Usually time is much more valuable than money.

FAQ
Q: How to contact us
A: * Download Tor Browser - hxxps://www.torproject.org/
   * Open link in Tor Browser hxxp://eghv5cpdsmuj5e6tpyjk5icgq642hqubildf6yrfnqlq3rmsqk2zanid.onion/contact
   * Follow the instructions on the website.

Q: What guarantees?
A: Before paying, we can decrypt several of your test files. Files should not contain valuable information.

Q: Can I decrypt my data for free or through intermediaries?
A: Use third party programs and intermediaries at your own risk. Third party software may cause permanent data loss.
   Decryption of your files with the help of third parties may cause increased price or you can become a victim of a scam.

Screenshot of files with “.tohnichi” extension added by the ransomware:

Use GridinSoft Anti-Malware to remove Tohnichi 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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