How to get rid of the Nfr.dll Virus

Nfr.dll ? File Information

The nfr.dll file is known to be associated with malware. Shared below is a list of malware that are associated with the nfr.dll file:

Mal/Behav-044 [Sophos]
Trojan Horse [Symantec]
Trojan-Downloader.Win32.Agent.bhyd [Kaspersky Lab]
Trojan-Downloader.Win32.Small [Ikarus]
Trojan-Proxy.Small!sd6 [PC Tools]
Trojan-Proxy.Win32.Small [Ikarus]
Trojan-Proxy.Win32.Small.zi [Kaspersky Lab]

The nfr.dll file is found in the following locations on the hard disk:


Note: Here, %System% points to the system folder. By default, this is C:\Windows\System32 for Windows XP and Vista, C:\Winnt\System32 for Windows NT and 2000, and C:\Windows\System for Windows 95, 98, and ME

Nfr.dll is also known to use the following filenames:


Nfr.dll is seen in following file sizes:

10,244 bytes
11,264 bytes
12,804 bytes

Nfr.dll ? File behavior

The nfr.dll file is recorded as having the following behavior:

  • It modifies the registry in order to auto start its associated programs when you boot your computer.
  • It resists interrogation by security products.
  • It uses rootkit techniques to hide its presence and to resist interrogation and removal.
  • It is registered as Dynamic Link Library (DLL) file.

If you find the nfr.dll file or any of its known aliases on your computer, immediately take definite corrective measures to get rid of this malicious file and its associated malware.

However, please note that many commercial security software are found to be lacking when it comes to nfr.dll removal. Although several commercial security programs claim to successfully eradicate the nfr.dll file when you run a malware scan, you may still find traces of this file when you restart your PC after the scan.

How to resolve the ?nfr.dll module not found? error and get rid of nfr.dll from your system

When you restart your computer after you have performed a malware scan using your protective tool, you may receive the following error:

?loading nfr.dll, module could not be found?

Cause of the Error

This nfr.dll error occurs because your protective software was unable to completely remove the malicious nfr.dll file.


To resolve the nfr.dll error, you need to remove the file from your system. Perform the following steps to get rid of the nfr.dll file and its associated error:

  1. Download the Malwarebytes Anti-Malware tool and save it on your desktop.
  2. Next, double-click Download_mbam-setup.exe to install the software.
  3. When installation is complete, ensure that Launch Malwarebytes’ Anti-Malware and Update Malwarebytes’ Anti-Malware features are selected.
  4. Now, click Finish.
  5. Malwarebytes Anti-Malware (MBAM) will start automatically and you may be asked to update the program before scanning.
  6. After MBAM has finished installing any new updates, go to the Scanner tab and ensure that the Perform Quick Scan option is selected.
  7. Next, click the Scan button. If you are asked to select the drives on which you want to perform the scan, select all the drives option and click Start Scan.
  8. After the scan is finished, you will receive a message box, stating ?The scan completed successfully. Click Show Results to display all objects found".
  9. Click the OK button to close the message box.
  10. Next, go to the main Scanner screen and click the Show Results button to see the list of malware found.
  11. Next, ensure that every malware in the list is selected and click the Remove Selected button.
  12. Restart your computer.

Note: It is necessary that you restart your computer if asked. If you do not reboot, MBAM will not be able to remove all the malware found on your computer. Also, it is recommended that after you have successfully removed nfr.dll; perform a registry scan, using reliable registry cleaning software, such as RegServe to ensure all entries related to this malicious file are removed from your registry.

How to prevent the nfr.dll virus and other malware from entering your computer

Follow the guidelines listed below to prevent the nfr.dll or other malware from breaching your system?s security:

  • Install advanced antimalware tools, such as STOPzilla Antivirus and Spyware Cease on your computer and keep these tools updated with the latest malware definitions.
  • Install a Firewall on your computer.
  • Refrain yourself from downloading free software from dubious websites.
  • Read the End User License Agreement (EULA) before installing any new software on the system.