Severity scale:  
  (45/100)

NEnhancer. How to remove? (Uninstall guide)

removal by Ugnius Kiguolis - - | Type: Adware

nEnhancer is a browser extension for Netflix that engages in malicious behavior

nEnhancer virus
nEnhancer is a browser extension that found to be performing malware-like activities in the background

nEnhancer is a browser extension for Google Chrome, which allegedly helps users to enhance Netflix experience by adding IMDB ratings, YouTube trailers, and similar features. It is an ad-supported application, which means that it uses advertisement to generate revenue. However, this is not the worst part of this browser plugin, as multiple reports surfaced that the app is engaging in malicious behavior. According to the security analyst Collin Chaffin,[1] nEnhancer can hijack the user's identity and use it for the affiliated marketing revenue and trick them into granting the app elevated system control permissions. The malware also closely monitors users' behavior, which might expose them to identity fraud or money loss risks. Currently, the download links for nEnhancer virus are mostly terminated (such as Google web store, official site, etc.), but it does not mean that the app cannot be spread with the help of bundled software or installed via dodgy third-party sites.

Name  nEnhancer 
Type  Adware/malware
Distribution  Software bundling, third-party websites
Affected browser  Google Chrome
Risk factors  Data theft, identity fraud, system compromise, malware infections
Elimination  Use anti-malware software or use manual removal guide below
Recovery  To recover from virus damage, use Reimage

Ad-supported programs like nEnhancer are generally not considered to be malicious, and you can find countless of such applications on legitimate sources like Google Play or Amazon. Ads is a very well-known source of income for many software and website developers. However, some authors might start playing dirty in order to increase the revenue from ads.

nEnhancer is known to spam users with pop-ups, in-text links, banners, blinking windows, deals, offers, and similar unwanted content, even if another browser, like Internet Explorer, Mozilla Firefox, or Safari is used. While this activity might be considered intrusive, it does sponsor the program's authors. However, when the ads become malicious, it can compromise users' safety and even result in malware infection. 

According to the security researcher, nEnhancer initiates multiple malicious activities that resemble malware operation. Once installed, the program does not perform any system modifications for several weeks, and only begins such action after a few weeks of the installation.

nEnhancer malware will then download additional payload that helps cyber criminals to generate revenue on pre-determined domains. According to the analyst, it achieves the goal the following way:[1]

Upon the doomsday countdown, here comes the real reason the author has everyone granting that extra permission for hidden panels……opens up hidden panels in shadow session of you, the user, all while your browser is open an you're working on other things, and begins performing HTTP GETs for all of the tens of thousands of paid affiliate URLs – but appears to again do it in a very sophisticated manner throttling to avoid detection (it was successful on me for many months).

The fact that the app was found to perform multiple activities behind user's back should warrant nEnhancer removal from the system. Due to excessive system modification and heavy persistence techniques, experts recommend using professional security application.

As soon as you remove nEnhancer, you should scan your device with Reimage – this application will ensure your computer is fully recovered from the virus and replace any missing or damaged system files.

Do not download browser extensions or other apps on third-party sites

Google App store and similar legitimate sources do perform security checks before the application is approved and released to the public. However, as practice shows, multiple malicious apps managed to slip through Google's security.[2] Luckily, once detected, such programs are quickly eliminated from the official sources.[3]

In contrary, third-party sites that are not governed by any major company might indulge in the distribution of unsafe applications due to lack of security measures and extensive checks. Therefore, while there is no guarantee that all apps from legitimate sources are safe, more than 99% most likely are.

Thus, do not try to download programs from suspicious sites, as it can even result in malware infection. When downloading and installing freeware, make sure you picked Advanced/Custom installation settings instead of Recommended ones and terminated all the optional components before finalizing the process.

Additionally, you should always keep your system updated, employ a reputable anti-malware software, avoid clicking on suspicious links and use such tools like ad-block, Firewall, and similar.

Remove nEnhancer and all its components with automated software

As we already mentioned, due to the app engaging in malicious activity, the best way to remove nEnhancer virus is by employing a reputable security application. There are plenty on the market available, so choose the one that suits you the most. However, make sure you avoid rogue anti-spyware software, as it will not be able to complete nEnhancer removal, but instead, cause more trouble.

In case you are struggling with the process, we suggest you enter Safe Mode with Networking. This environment is dedicated to troubleshooting various issues, and it can prevent malware from interfering with security software operation.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove nEnhancer, follow these steps:

Remove nEnhancer using Safe Mode with Networking

You should enter Safe Mode with Networking to ensure prompt nEnhancer virus removal:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove nEnhancer

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete nEnhancer removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove nEnhancer using System Restore

System Restore can also be used for full termination:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of nEnhancer. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that nEnhancer removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from nEnhancer and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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References