Evolution Virus – How to Remove It
THREAT REMOVAL

Evolution Virus – How to Remove It

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This article will aid you to remove Evolution Virus. Follow the ransomware removal instructions provided at the end of the article.

Evolution Virus is one that encrypts your data and demands money as a ransom to get it restored. Files will be marked with the “.evolution extension. The Evolution Virus will leave ransomware instructions as a desktop wallpaper image. Keep on reading the article and see how you could try to potentially recover some of your locked files and data.

Threat Summary

NameEvolution virus
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files by placing the .evolution extension to mark the affected files on your computer system and demands a ransom to be paid to allegedly recover them.
SymptomsThe ransomware will encrypt your files and leave a ransom note with payment instructions.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by Evolution virus

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Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Evolution virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Evolution Virus – Distribution Techniques

The Evolution virus has been found to be distributed using the most common ransomware delivery methods. The captured samples so far are relatively low and only a limited number of infections have been reported.

A popular method is the coordination of SPAM email messages that make use of various phishing tactics. This manipulates the users into thinking that the messages originate from a legitimate company or service. The body contents may include links or scripts that can lead to the Evolution virus download. In other cases the threat may directly be attached to the messages.

A similar technique is the creation of web sites that use the same phishing elements, disguising themselves as download portals, vendor landing pages and etc. They will direct the visitors to the ransomware files.

The Evolution virus may also be spread using infected payloads of which there are two main types:

  • Infected Setup Files — The criminals can embed the virus infection code into the setup files of popular software that is downloaded by the users. This is done by taking the original installers from their official sources and modifying them. The resulting files will be directed towards the potential victims.
  • Infected Documents — The criminals can devise malicious documents of all popular types: presentations, spreadsheets, rich text documents and databases. When they are opened by the users a notification prompt will appear asking for the built-in code to be launched. If this is done the Evolution virus will be delivered.

These payload carriers can also be distributed on file-sharing networks like BitTorrent. They are frequently used to distribute both legitimate and pirate content which makes them ideal for such use.

The other tactic that is used with ransomware distribution relies on the inclusion of the virus installation script in browser hijackers. They are hacker-made plugins for the most popular web browsers which are uploaded primarily on their respective repositories. The criminals will use fake user profiles to post reviews and even fake developer credentials. When installed they will manipulate the web settings of the applications in order to redirect the users to hacker-controlled pages. This in-turn will lead to the Evolution virus infection.

Evolution Virus – Detailed Analysis

The Evolution virus appears to contain code similarities from the Everbe ransomware, as well as the Rapid malware family. The collected samples appear to contain only the encryption module which means that the ransomware code will be launched as soon as the infection happens.

Future versions of the Evolution virus might contain other modules that are run as soon as the ransomware is launched.

Most of the typical infections will start a security bypass procedure as soon as they are deployed on the target machines. A sequence of commands will be run which will look for any installed security software or services that can interrupt the virus infection. Their real-time engines will be disabled or entirely removed. Advanced configurations can also instruct the virus to delete itself in the case where the bypass cannot be made. This is done in order to void detection by the device owners.

During the execution of the bypass function information gathering will take place. The collected data can be categorized into two main types:

  • Personal Information — The engine can hijack information that can directly expose the identity of the victims: their name, address, phone number and any stored account credentials. The virus can lookup the data stored in the memory, hard disk contents and the Windows Registry.
  • Device Metrics — The other type of collected information is attributed to the victim ID which is associated with every successful infection. It is generated via an algorithm that uses values taken from information such as the installed hardware components, operating system environment values and user settings.

When these two steps have finished running the Evolution virus will have control of the system. This is demonstrated in its ability to hook up to running processes, including service ones, as well as creating many of its. Obtaining administrative privileges allows the ransomware to modify the Windows Registry. This can lead to modification of values used by the operating system or third-party applications. Consequences of this can be feature limitations, the inability to run certain programs or overall system stability issues. The infected computers may slow-down substantially, this is a sure warning sign that a virus infection may be present.

Changes of the system settings may also lead to a persistent installation which makes it very difficult to remove active infections with manual instructions. This is done by modifying the boot options, system settings and other important parts of the operating system. The Evolution ransomware engine will thus be automatically started when the computer is booted.

Allowing the engine to delete System Data presents a very dangerous scenario. The Evolution virus will look for System Restore Points, Backups and Shadow Volume Copies which will be deleted instantly. Successful recovery must be done using a combination of a recovery and an anti-spyware solution, refer to our instructions for details.

A popular side infection would be the installation of a Trojan instance. It will set up a connection with a hacker-controlled server using this local client. This allows the malicious operators to spy on the users, steal their files and take over control of the machines at any given time.

The other malware that may be deployed is the miner, short for cryptocurrency miner. This is a popular type of infections that take advantage of the system resources in order to carry out complex mathematical tasks. They are downloaded from and reported to servers which keeps track of the workload. When they are active on the victim systems the overall stability will be affected as the tasks will utilize all important processing hardware: CPU, GPU, memory and hard disk space. When a given task is completed digital currency (usually Bitcoin or Monero) will be wired directly to their wallets.

Hackers can also push browser hijacker samples to the infected machines. This would be a malicious plugin, made compatible with the most popular web browsers, that can often found on the relevant extension repositories. The uploaded samples will typically feature fake user reviews and developer credentials in order to coerce the users into thinking that they are downloading a legitimate tool.

As the Rapid and Everbe code bases are modular in nature we expect that the future versions of the Evolution virus will contain other components as well.

Evolution Virus – Encryption Process

When all prior components have finished running the actual ransomware module will be started. Based on the traditonal behavior patterns the Evolution virus will also use a built-in list of target file type extensions. A typical one will target the following user data:

  • Databases
  • Archives
  • Backups
  • Images
  • Music
  • Videos

All of the processed files will receive the .evolution extension as part of their file name. They will become impossible to open and access. The accompanying ransomware note is created in a file called !#_Read_me_for_revocery_#!.txt which reads the following message:

Hello ! All your data have been encrypted !
Don’t worry , we can help you to return all your data.
Write to our email – [email protected]
In the subject write – id-s10b60c8 .
If within 24 hours we didn’t answer you , write to our backup email – [email protected] .

Remove Evolution Virus and Try to Restore Data

If your computer system got infected with the Evolution ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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