Seto Virus Removal Guide (+Decrypt .seto files)

Seto – General Info

Seto is a malicious software application working as typical ransomware. Michael Gillespie, the widely known virus researcher, very first found this new name in the DJVU ransomware family.

Seto was developed for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is effectively achieved, the users are unable to get access to them. Seto virus includes its own “.seto” to all the encrypted files. For example, the file “price_list.xls”, when crypted by Seto, will be entitled as “price_list.xls.seto”. Once the encryption is achieved, Seto puts its own distinct text document (_readme.txt) into all the folders that save the encrypted files.

The message mentioned by _readme.txt requesting the random os very comparable to the notifications given by other ransomware risks belonging to the DJVU family. The warning essentially shows that the files have been secured and the only solution to get access to it is to use an unique standalone key. Regretfully, this declaration is definitely true.

The technique to secure the files utilized by Seto is not entirely investigated. However, there is no doubt that each computer owner might be provided an unique decryption key, which is definitely special. It is extremely hard to recover the information without the appropriate key in location.

“Don’t worry, you can return all your files!”, from text file message:

message from Seto virus

One more peculiarity of the Seto ransomware is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the total control by the criminals who have actually introduced the Seto ransomware into the internet. In order to obtain the key and bring back the crucial information, the users are told to contact the frauds through email or by telegram and to pay the ransom in the amount of $980.

The message likewise says that the people ought to call the Seto authors within 72 hours upon the minute of the data file encryption. The alert shows that by doing so individuals will acquire a 50% discount, therefore, the ransom quantity drops down to $490.

No matter what the amount of the ransom is, we strongly encourage that you do not pay the ransom. There is no warranty that these online scoundrels will keep their promises, so they may not care at all what the victims feel about the encryption, even when the amount of the ransom is gotten into their accounts. For this reason, paying ransom frequently does not lead to a successful recovery. So, the users might just lose their money for nothing.

Similarly, we urge you not to get in touch with the frauds as they advise. Do not transfer money into their wallets. There are no applications that could break the Seto virus or restore the data for free. For that reason, the only right choice is to restore the data from possible backups (if available).

Virus Summary

NameSeto Ransomware
File Extensionseto
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-556 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .seto extension to all the files modified by it.
Distribution MethodAdware bundles and software cracks
Similar InfectionsRumba, Geno, Gero
Removal Tool   GridinSoft Anti-Malware

Do not forget that the Internet is now loaded with infections similar to the Seto ransomware. For instance, this particular danger is essentially similar to Brusaf and other ransomware-type infections. These damaging utilities have been developed in order to encrypt the important information and reveal the need for the users to pay the ransom. All these infections utilize the identical algorithm to generate the particular key for effective data decryption.

Unless the Seto ransomware is still under the advancement procedure or has actually got some hidden bugs, it is not possible to restore the information by hand. Thus, the only working option to avoid the loss of your important data is to regularly maintain up-to-date backups of all your crucial data.

Another important piece of guidance is to store the backups on special storage not linked to your main PC. For example, you may store it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely dangerous, considering that the backup may likewise be secured by the Seto ransomware.

Leakages for the Seto ransomware attack.

Seto uses numerous courses to infiltrate the vulnerable computer systems. It is not particular what particular approach was utilized in your case, nevertheless, the invasion might take place through the following channels:

  • bundling with third-party programs, mainly free software;
  • spam e-mails from the unidentified senders;
  • websites providing free hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Seto virus might disguise itself as some genuine application, for example, through the misleading notifies requiring setup of some software upgrade. This is the most typical trick used by the scams to inject the Seto ransomware files into the system. In this manner users partly take part in its installation, without clearly comprehending the risk.

Additionally, the frauds might send out unsolicited spam e-mail with difficult notifies motivating the people to open dubious attachments or click on some download links, for instance, those motivating the people to open certain pictures, text files, tax documents and other information.

No doubt, opening these files or clicking on the destructive links might basically damage the system. Fake Media Player update notices may result in the Seto ransomware infiltration. Likewise, downloading the cracked software might in addition include the ransomware installer. The last however not the least, installation of Seto may take place through some Trojan horses that might be set up stealthily into the system and without the user’s direct authorization and even consent.

Avoiding the Seto attack.

Naturally, there is no absolute warranty that your computer system will be constantly without any malware attacks, nevertheless, we want to share some helpful tips with you to make it safer. Ensure to pay extremely close attention while browsing the web and particularly while getting cost-free programs. Do not open any dubious email attachments, particularly if the sender is not known to you.

Do not forget that specific freeware installer may also consist of some other additional apps in the package. These extra applications might be very harmful. It is of utmost importance to keep your anti-virus software application and your os in basic to be always effectively updated.

It is quite rational that downloading pirated apps is unlawful, nevertheless, in addition, such unauthorized apps use may also bring major damage to your system. Thus, do not download any cracked programs. Plus, the reality that your present anti-virus did not protect the system from the Seto ransomware is a great factor for you to reconsider your options and switch to another program that can render the safeguarding functions on a better level.

Below please find the quotation from the Seto text file:

 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:
 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:
 Reserve e-mail address to contact us:
 Our Telegram account:

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

Seto Ransomware - encrypt files with .seto extension

Use GridinSoft Anti-Malware to remove Seto 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

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About 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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