RansomwareRemoval Guide

Remove Vn_os Virus (.Vn_os Files Ransomware)

Vn_os Virus – Details

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

The message given by Vn_os text file requesting the ransom is absolutely the like the statements given by other ransomware virus representatives. It actually points out that the info is encrypted and that the only way to bring back it is to use a an unique decryption key. Sadly, this is absolutely true. The kind of cryptography mechanism used by Vn_os is still not properly examined. Still, it is definitely specific that each victim might be given the specific decryption key, which is totally distinct. It is difficult to restore the files without the key available.

Another technique of Vn_os is that the victims cannot gain access to the key. The key is saved on a specific server run by the frauds connected with Vn_os ransomware. To get the key and recover the important information people have to pay the ransom.

Nonetheless, irrespective of the requested quantity, people should keep away from paying the virus. Cyber frauds are unfair, so they tend to totally ignore what their victims feel about the issue, even when the payment reaches their pockets. This is why paying the ransom typically does not give any positive outcome and people just lose their money for nothing.

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

Virus Summary

NameVn_os Ransomware
File Extension.Vn_os
TypeRansomware
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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special Vn_os extension to all the files modified by it.
Distribution MethodSpam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Remember that the world wide web is now overwhelmed with threats that look similar to Vn_os ransomware. Harmful programs of such kind are typically elaborated to encrypt important data and to set forth the demand before the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to create the unique decryption key for data decryption.

Therefore, as long as the ransomware is still being developed or has some hidden bugs, by hand recovering the information is simply not feasible. The only method to avoid the loss of your important information is to routinely create backups of your important information.

Keep in mind that even if you create such backups, they must be placed into a special storage utility not connect to your main computer. You may use the USB Memory Stick or external hard drive for this purpose, or refer to the help of the cloud storage. If you save your backup files on your common system they may be encrypted along with other files, so it’s certainly not a good storage location.

How did ransomware infect my system?

There are several ways used by online scams to distribute Vn_os virus. Although it is uncertain how exactly Vn_os injects your computer, there are some leaks through which it may infiltrate the system:

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

Often Vn_os ransomware may exist as some genuine software, for example, in the pop-ups advising users to implement some important software updates. This is the common trick used by online frauds to persuade people into downloading and installing Vn_os infection manually, by ways of their direct participation in the installation process.

Additionally, the criminals might refer to numerous e-mail spam techniques to inject destructive codes into Windows 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 photos, files, tax reports or invoices.

Needless to mention, opening such documents or clicking on such dangerous links may significantly damage the system. Fictitious Adobe Flash Player upgrade informs may result in Vn_os ransom injection. As for the cracked software, these illegally downloaded programs may likewise include destructive codes resulting in Vn_os secret installation. Lastly, injection of Vn_os may happen by ways of Trojans that privately get injected into the system and install harmful tools without the user’s permission.

Is there any way to avoid the injection of Vn_os ransom virus?

Even though there is no 100% guarantee to avoid your system from getting infected, there are some pieces of guidance we wish to show with you. To start with, be very careful when you surf the web and especially 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 consist of other unwanted utilities in the package, so they may be harmful. Make sure that your current antivirus software and your entire operating system is always appropriately updated.

Naturally, downloading pirated software is illegal and may result in essential damage to be produced your PC. For this reason, stay away from downloading cracked software. You are likewise highly advised to reconsider your existing security software and possibly change to another security solution that can render much better services of protecting your system.

Below please find the quotation from the Vn_os text file:

Your files (count: *) have been encrypted!
In order to recover your data...
Please send 1 Bitcoin(0.5) to the following BTC address:
18qPmNpugTaE3fUWhGbtHqZ6SzYjsGkTJZ
Next, E-mail your transaction ID to the following address:
vnhack@protonmail.com
===============================

Text in this file:

All of your files have been encrypted.

To unlock them, please send 1 bitcoin(0.5) to BTC address: 18qPmNpugTaE3fUWhGbtHqZ6SzYjsGkTJZ
Afterwards, please email your transaction ID to: vnhack@protonmail.com

Thank you and have a nice day!

Screenshot of files with “.Vn_os” extension added by the ransomware:
Vn_os Ransomware - encrypt files with .Vn_os extension

Use GridinSoft Anti-Malware to remove Vn_os 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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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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