Seto Virus

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This page aims to help you remove the Seto Virus for free. Our instructions also cover how any .Seto file can be recovered.


.Seto is the newest of the STOP DJVU ransomware strain that changes every few days recently. .Seto is not different in any way relative to other variants like .Gero and .Hese. The only feature that slightly changes with .Seto is the ransomware note displayed to victims.

.Seto's ransom note

.Seto’s ransom note sometimes changes with users. See the other one below for reference.

Seto is the name of a new Ransomware infection, which has been created with the sole purpose of making money for its authors. Security experts are warning that this infection is spreading mostly through attachments in spam emails, different ads, eye-catching offers, links and compromised web pages, but you can get infected in many other ways as well. Immediately after you interact with the transmitter, the malicious software sneaks in the system without being noticed and starts to scan the device for video and audio files, images, documents, databases, and other personal files which it may be important to the victim. Then it silently encrypts them using a complex file-encrypting algorithm. A change in the file extension’s name may also be added to the affected files. Seto also leaves a ransom message on the infected computer, which explains to the user that the latter must pay a certain amount of money (usually requested in bitcoins) to regain the access to his information again.

The message from the authors of the Ransomware provides more specific information to the victims about what has happened to their computer and their data, and about how they must pay the money in order to retrieve their files. The Cyber criminals want the users to pay as soon as possible and typically give them a short deadline for that. Those who agree to strictly fulfill all the hacker’s demands are promised to receive a special decryption key with the help of which they can decrypt their sealed data.

The .Seto file extension

The .Seto file extension appears at the end of files, like a normal file extension. Unlike normal extensions, however, the . Seto file extension is added after the NORMAL extension, giving files a “double” extension. This signifies a ransomware encryption.

.seto files

Encrypted with .seto files

This may sound like the quickest solution, however, it’s not a good idea to trust the cyber criminals. For one, there is no guarantee that they will really send the key that they’ve promised to you. And secondly, nobody can tell you if that key will really manage to effectively decrypt the applied encryption.

That’s why, instead of risking your money, what most security experts, including our “How to remove” team, recommend is to explore other methods of dealing with Ransomware such as Gero, Hese . Your focus should be on removing Seto and cleaning your system, because, with an active infection in there, you may not be able to use the computer for anything and all the files you create may get encrypted.

The Seto virus

Once the Seto virus appears in your system, fast signs it encrypts your data can be see by the sluggishness if your PC. The Seto virus encrypts files one by one, so if you see them fast, we recommend shutting down the machine immediately before it is fully infected.

seto virus

The Seto Virus will leave a _readme.txt file with instructions for you to follow

To get rid of Seto effectively, you are advised to use a trusted anti-malware tool. Such software will guarantee you the correct removal of the Ransomware and will also provide you with protection from similar viruses in the future. To scan your system properly and remove all malicious components, make sure you have updated the software to the latest version before you start scanning.

Manual removal of Seto is also possible but inexperienced computer users may find that difficult. Yet, you may still want to check the instructions given under the article and give a try to some of the suggestions in the file-recovery section. Keep in mind, though, that some Ransomware-based threats may try to delete the Shadow Volume Copies of the encrypted information in order to prevent the victims from recovering it. In this case, the best way to get back your data is to copy it from external backups, if you keep any.

The Seto Ransomware in action

Once the Seto ransomware is done with the encryption and drops its ransom note it goes dormant – but it doesn’t disappear. The Seto ransomware can re-encrypt your files later on if you don’t delete its core files.


Name Seto
Type Ransomware
Danger Level High (Ransomware is by far the worst threat you can encounter)
Symptoms Very few and unnoticeable ones before the ransom notification comes up.
Distribution Method From fake ads and fake system requests to spam emails and contagious web pages.
Data Recovery Tool Currently Unavailable
Detection Tool

Remove Seto Virus


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at: https://howtoremove.guide/online-virus-scanner/

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Type msconfig in the search field and hit enter. A window will pop-up:


Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.

  • Please note that ransomware may even include a fake Manufacturer name to its process. Make sure you check out every process here is legitimate.


Type Regedit in the windows search field and press EnterOnce inside, press CTRL and F together and type the virus’s Name. 

Search for the ransomware  in your registries and delete the entries. Be extremely careful –  you can damage your system if you delete entries not related to the ransomware.

Type each of the following in the Windows Search Field:

  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%

Delete everything in Temp. The rest just check out for anything recently added. Remember to leave us a comment if you run into any trouble!


How to Decrypt Seto files

We have a comprehensive (and daily updated) guide on how to decrypt your files. Check it out here.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


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  • hi, i was redirected here to find a tool to decrypt my data. i have the seto virus and all my files are in .seto format. the website directed me here but i didn’t find anything for my virus. please help.

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