What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is PWS:Win32/Prast!rfn infection?

In this article you will discover concerning the interpretation of PWS:Win32/Prast!rfn and its adverse influence on your computer. Such ransomware are a form of malware that is specified by on the internet scams to demand paying the ransom money by a sufferer.

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In the majority of the situations, PWS:Win32/Prast!rfn infection will certainly advise its victims to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the victim’s gadget.

PWS:Win32/Prast!rfn Summary

These modifications can be as complies with:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the victim can no more use the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains


The most normal channels whereby PWS:Win32/Prast!rfn Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a source that organizes a destructive software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or stop the device from functioning in a correct way – while additionally putting a ransom note that points out the need for the sufferers to effect the repayment for the purpose of decrypting the records or bring back the file system back to the initial problem. In many circumstances, the ransom note will certainly show up when the client reboots the PC after the system has actually already been harmed.

PWS:Win32/Prast!rfn circulation channels.

In various corners of the globe, PWS:Win32/Prast!rfn expands by leaps and also bounds. However, the ransom notes and also methods of extorting the ransom amount may vary depending on certain neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom amount might vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the target’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty statements about unlawful content.

    In countries where software application piracy is much less prominent, this technique is not as reliable for the cyber scams. Conversely, the PWS:Win32/Prast!rfn popup alert might incorrectly declare to be originating from a police establishment and will report having located child pornography or other illegal data on the gadget.

    PWS:Win32/Prast!rfn popup alert might wrongly assert to be acquiring from a legislation enforcement organization and also will report having located youngster pornography or various other prohibited information on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 2CD5B6A9
md5: f014df5c0f9ed0e4193847dcaadea99e
name: mamepgui.exe
sha1: f50d0826577d0411075e47da8c426d0698d884de
sha256: 5e4775e23fc8187c805e2e9b532d890ce49914f166bf4c8c068f294d43894d59
sha512: 07ad8d61ba56b042e256d86bf3d0aa1d6609e341343311f751ced9edd7f74368158e86d7ec137ad6546335676f2bce1f7a7dbcefd8b0f09930d6021b29b80f51
ssdeep: 3072:TocLlSJ+QLBpusttTaeBRJ66hlC0ICPCHBFT1ahYLbVwx9CEJ36+Q:2+QLBjtTai366zUCPAjp2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright Nicola Salmoria and the MAME team
InternalName: MAME
FileVersion: 0, 125, 1, 0
CompanyName: MAME Team
Author: Nicola Salmoria and the MAME Team
Comments: Multiple Arcade Machine Emulator
ProductName: MAME
ProductVersion: 0.125u1
FileDescription: Multiple Arcade Machine Emulator
OriginalFilename: MAME
Translation: 0x0409 0x04e4

PWS:Win32/Prast!rfn also known as:

EmsisoftTrojan.Generic.5920526 (B)
MAXmalware (ai score=82)
RisingTrojan.Win32.Generic.12764176 (C64:YzY0Olr7zaPViiMI)

How to remove PWS:Win32/Prast!rfn virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

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

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for PWS:Win32/Prast!rfn files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, 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

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove PWS:Win32/Prast!rfn you can always ask me in the comments for getting help.

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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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