Win32/RA-based.NFA

What is Win32/RA-based.NFA infection?

In this article you will find about the definition of Win32/RA-based.NFA and its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a victim.

In the majority of the situations, Win32/RA-based.NFA infection will advise its sufferers to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has presented to the target’s tool.

Win32/RA-based.NFA Summary

These modifications can be as adheres to:

• Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

  Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

• Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
• Performs some HTTP requests;
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Uses Windows utilities for basic functionality;
• Behavior consistent with a dropper attempting to download the next stage.;
• Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
  C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

  The registry run keys perform the same action, and can be located in different locations:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
• Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Operates on local firewall’s policies and settings;
• Attempts to disable UAC.

  User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

  UAC includes several technologies ¹:

  • File and egistry Virtualization;
  • Same-desktop Elevation;
  • Filtered Token;
  • User Interface Privilege Isolation;
  • Protected Mode Internet Explorer;
  • Installer Detection;
• The sample wrote data to the system hosts file.;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Attempts to modify Explorer settings to prevent hidden files from being displayed;
• Uses suspicious command line tools or Windows utilities;
• Ciphering the documents found on the sufferer’s hard disk — so the sufferer can no more utilize the information;
• Preventing regular access to the target’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

Win32/RA-based.NFA

The most regular networks where Win32/RA-based.NFA are infused are:

• By ways of phishing emails;
• As a repercussion of customer winding up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or prevent the gadget from functioning in a proper way – while also putting a ransom money note that points out the need for the sufferers to effect the settlement for the function of decrypting the files or bring back the data system back to the preliminary problem. In the majority of instances, the ransom note will come up when the customer reboots the PC after the system has actually currently been damaged.

Win32/RA-based.NFA distribution channels.

In various corners of the globe, Win32/RA-based.NFA expands by leaps and also bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom money amount might vary relying on certain neighborhood (local) setups. The ransom money notes and techniques of obtaining the ransom money quantity may vary depending on certain regional (local) settings.

As an example:

Faulty notifies about unlicensed software application.

In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The sharp after that requires the customer to pay the ransom money.

Faulty statements concerning prohibited web content.

In countries where software piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/RA-based.NFA popup alert may falsely assert to be deriving from a police organization as well as will certainly report having situated youngster porn or other unlawful information on the device.

Win32/RA-based.NFA popup alert might falsely declare to be deriving from a law enforcement establishment and also will certainly report having located youngster pornography or other unlawful data on the gadget. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:
crc32: 0679EDC1md5: 68e871fb6f005f573658193b28d2c70cname: 68E871FB6F005F573658193B28D2C70C.mlwsha1: cdd99af3056e07e265ea90a91bfb589bf14faf0fsha256: 4e229ef28f01bb90d24d69feb24b64c1995f449dd05f7666894ecade202f9946sha512: 52cbc4830d0b9e55e4271e0a6a33e7677d2091b66e520e042835394cdae8a7e93e8d27851adc7bf59dcc3e47cf75800e1515ec14e90cfb845b8c2106f0e67c03ssdeep: 24576:B4lavt0LkLL9IMixoEg5acAaI57Nuq9MmCS:Qkwkn9IMH5acAb57YaPCStype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
Translation: 0x0809 0x04b0

Win32/RA-based.NFA also known as:

How to remove Win32/RA-based.NFA ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.

Reasons why I would recommend GridinSoft²

Run the setup file.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

Click on “Clean Now”.

Are Your Protected?

If the guide doesn’t help you to remove Win32/RA-based.NFA you can always ask me in the comments for getting help.

1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server