How Can I Remove TROJ_CRYPCTB.NSA Completely?


TROJ_CRYPCTB.NSA can be categorized as a kind of trojan which is very good at infecting . It can enter any pc by means of porn websites, spam email, freeware installer and fake software update links. Also, it can infect all kinds of system, including windows xp, windows 7, windows 8, vista, linux, and so on. It is notorious for its infection but it is seldom detected by users since its excellent elusive nature.

When TROJ_CRYPCTB.NSA targets on your pc, it is able to control the whole operating system. It will change its settings and disable the functions rejecting itself. In the same time, it will bring in tens of thousands of virus on your pc. So many people think it is more dangerous than the virus.

And the significant functions of TROJ_CRYPCTB.NSA is to make your documents or files locked with unknown password or some programming. It is of course not just for fun. It aims at money from you. When you have found that some of your doc. which you desperately need, you will be eager to solve it just with several hundred dollars. But when you consider the whole scam in retrospect, you may blame yourself for the carelessness.

Besides, TROJ_CRYPCTB.NSA is also hard for users to get it removed from their computers since it is able to control your whole system let alone to protect itself well. And here are some instructions and i believe that it will be helpful for you.

Terrible System Performance Caused by TROJ_CRYPCTB.NSA Virus

TROJ_CRYPCTB.NSA related scam
  • 1. It slow download speed of entire system and makes everything difficult to respond
  • 2. Annoying fake alerts and ads keep popping up to disturb you when you surf the internet
  • 3. It damages your registry to make your computer filled with security exploits
  • 4. It may disable many programs or even system functions of your computer.
  • 5. It rediects you to dangerous websites conatining more infections
  • 6. It silently permite remote access request to help unknown person enter your PC to steal your files
  • 7. It uses advanced tracking technique to spy on your PC activities and get your priavcy

TROJ_CRYPCTB.NSA Removal Instructions

(Windows OS) Plan A – Get Rid of TROJ_CRYPCTB.NSA with Manually (Only For PC Experts with Top Techniques)

(Windows OS) Plan B – Delete TROJ_CRYPCTB.NSA Automatically from Windows PC (Easy and Safe For All PC Users)

(Mac OS) Plan C – Remove TROJ_CRYPCTB.NSA Automatically from Mac OS Computer (Easy and Safe For All Mac OS Users)

(Windows OS) Plan A – Get Rid of TROJ_CRYPCTB.NSA with Manual Solution

For the safety of your computer, before you start the TROJ_CRYPCTB.NSA manual removal, please confirm the following things: 1. You have rich experience for removing virus and malware manually; 2. Your PC techniques reach the level of PC experts; 3. You are very familiar with Registry and clearly know that what severe consequence may occur for your mistake; 4. You are able to reverse the wrong operations during TROJ_CRYPCTB.NSA manual removal. If you do not fulfill the above conditions, Plan A will be risky option for you. Our tech team strongly suggested you to choose Plan B which helps you detect and remove TROJ_CRYPCTB.NSA safely and easily with SpyHunter and RegHunter.

Step 1 – Uninstall TROJ_CRYPCTB.NSA and all malware from Control Panel.

1. Press “Windows key + R key” together to open Run window:

uninstall remove TROJ_CRYPCTB.NSA

2. Input “control panel” in Run window and hit Enter key to open Control Panel:

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3. Click Uninstall a program:

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4. Right-click TROJ_CRYPCTB.NSA or other unwanted programs and click Uninstall:

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Step 2 – Remove TROJ_CRYPCTB.NSA from Chrome, Firefox, IE and Microsoft Edge.

On Chrome: Launch up Google Chrome> click Chrome menu > click Tools> click Extension> select TROJ_CRYPCTB.NSA and unwanted extensions> click trash bin

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On Firefox: Open Firefox, navigate to browser menu in the top right > select Add-ons > select TROJ_CRYPCTB.NSA and unwanted extensions and add-ons > remove it with Disable or Remove button.

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On IE: Open Internet Explorer >click Tools > click Manager Add-on Tools and Extensions> select TROJ_CRYPCTB.NSA and unwanted extensions and add-ons > click Remove or Disable button.

delete TROJ_CRYPCTB.NSA from ie completely

On Microsoft Edge: (Reset default homepage and search engine to remove TROJ_CRYPCTB.NSA associated hijacker)

Reset Edge homepage: Click More (…) > click Settings > select A specific page or pages under “Open with” > select Custom to type your favorite website.

get rid of TROJ_CRYPCTB.NSA from edge completely

uninstall TROJ_CRYPCTB.NSA from edge completely

Reset Edge homepage: Click More (…) > click Settings > Click View advanced settings > Click <Add new> under “Search in the address bar with”> type your favorite search engine >click Add as default.
 remove TROJ_CRYPCTB.NSA virus from edge completely

delete TROJ_CRYPCTB.NSA virus from edge completely

get rid of TROJ_CRYPCTB.NSA virus from edge completely

eliminate TROJ_CRYPCTB.NSA virus from edge completely

Step 3 – Delete malicious files of TROJ_CRYPCTB.NSA from Registry.

1. Press “Windows key + R key” together to open Run window, then input “regedit” in Run window and hit Enter key to open Registry:

way to remove TROJ_CRYPCTB.NSA virus

2. Locate and remove registry files created by TROJ_CRYPCTB.NSA and other threats as below:
way to get rid of TROJ_CRYPCTB.NSA virus

HKEY_CURRENT_USER\software\Microsoft\Internet Explorer\Main\Start Page Redirect=”http://<random>.com”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\virus name
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon “Shell” = “%AppData%\<TROJ_CRYPCTB.NSA>.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Random’ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random

Plan B – Delete TROJ_CRYPCTB.NSA with Infections Quick Removal Tool

Part One – Delete TROJ_CRYPCTB.NSA Automatically from Windows PC

Step 1 – Start a scan with SpyHunter to remove TROJ_CRYPCTB.NSA completely.

1. Click download button below to safely Download SpyHunter :

After SpyHunter is downloaded, your Chrome /Firefox /IE may display such fake security warning This type of file can harm your computer. Do you want to keep Download_Spyhunter-Installer.exe anyway?”, which is generated by virus to cheat you, please just ignore the fake warning and click “Keep” button.

Note: SpyHunter`s free version will help you detect malicious items on your system for free. Based on the scan results it provides, you can choose to manually locate and remove the threats by yourself if you are computer specialist; And you can choose to let SpyHunter help you automatically remove the virus by purchasing its full version license. FYI, the full version of SpyHunter will offers you unlimited one-on-one professional help for any malware related issue by its official PC expert. If you no longer keep SpyHunter on your computer, follow these steps to uninstall it.

2. Run SpyHunter-Installer.exe to install SpyHunter via its installer:

TROJ_CRYPCTB.NSA removal tool

3. Once the installation finishes, please click Start New Scan to search and remove TROJ_CRYPCTB.NSA and hiding threats.

TROJ_CRYPCTB.NSA quick removal tool

4. Click Fix Threats to remove TROJ_CRYPCTB.NSA and other viruses completely.

TROJ_CRYPCTB.NSA easy removal tool


Step 2 – Maximize performance of your PC with RegHunter.

1. Click download button below to Download RegHunter:

Note: If you no longer want to keep RegHunter on your computer, follow these steps to uninstall it. RegHunter`s free version provides unlimited free scans and detection. After it detects corrupted registry files and system errors files, you can follow the scan results to manually replace them with healthy files copied from healthy PC on your own; or to purchase its full version to automatically fix the Registry and errors with ease. Meanwhile, the full version of RegHunter will offers you great features to optimize your system performance.


2. Run RegHunter-Installer.exe to install RegHunter via its installer:

TROJ_CRYPCTB.NSA fast removal way

3. Once the installation finishes, please click Scan for Registry Errors Now! to search damaged registry files and system errors caused by TROJ_CRYPCTB.NSA:

TROJ_CRYPCTB.NSA quick removal way

4. Once the scan finishes, please click Repair All Errors to fix Registry corrupted by TROJ_CRYPCTB.NSA and optimize system to make it run as a new system:

TROJ_CRYPCTB.NSA completely removal


Step 3 (Optional) – Re-scan your computer with 100% Free Avast Internet Security:

In case the TROJ_CRYPCTB.NSA virus still stays on your computer, please use free version of Avast Internet Security to scan your entire system and remove all detected threats. It can provides overall protection to your computer and secure your online activities and secure your privacy. Now download Avast Internet Security with 60 days free trail here:


Part Two – Remove TROJ_CRYPCTB.NSA Automatically from Mac OS Computer (Easy For All Mac OS Users)

In case your system has been attacked by TROJ_CRYPCTB.NSA and other infections, MacKeeper will be the easiest and fastest way to clean up them and cure your Mac.Mackeeper is a reliable and powerful Mac protection and optimization software which helps you keep your Mac clean, fast and safe. Mackeeper is one of the best Mac OS security software designed to offer Mac users with best experience. Mackeeper has received great reputations from its users and it is winning trust from more and more users. As a 16 in 1 application is the most advanced way to care for your Mac. It is worth to get it. Follow steps below to delete the threats now:

1. Download and Install MacKeeper by clicking the image below:

2. Once MacKeeper is installed, use the Find & Fix feature to check the status of your Mac and remove all infections and fix all problems:

get rid of TROJ_CRYPCTB.NSA from Mac

3. If the Find & Fix did not solve all issues, you can use the Geek on Demand feature to get a Apple expert to help you as an personal assistant. The Apple Certified Support Professional expert will provide solutions for any technical problem, whether a minor nuisance or a catastrophic failure.

get rid of TROJ_CRYPCTB.NSA from safari


Mackeeper is a package of 16 applications, you can get almost all necessary tools for your Mac and everything will become easy and convenient on your machine. Here are some powerful tools packed in MacKeeper:

Internet Security – Protect your Mac from identity theft fraud (phishing), malware, spyware, adware, viruses and identity theft while using the Internet.

remove TROJ_CRYPCTB.NSA from Mac

Files Recovery – Deleting files does not necessarily mean losing them forever. Now you can recover even after they are deleted from the trash.

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Files Finder – Search and quickly find any lost or misplaced file, even without knowing what folder is.

guide to remove completely from Mac

Disk Usage – Look at the size of the folders on your hard drive to see at a glance which folders take up more space.

way to remove completely from Mac

Anti-theft – If you steal your Mac, theft continues its location and even makes a snapshot of the thief with iSight.

TROJ_CRYPCTB.NSA removal on mac



Warm Reminder – Something You Should Know After Removing TROJ_CRYPCTB.NSA

To avoid TROJ_CRYPCTB.NSA coming back and prevent attacks from other infections, follow these basic rules while using your computer:

– You should always choose Custom Installation no matter what software you are going to install;

– Uncheck hidden options which attempt to install additional programs you never need;

– Scan all downloaded attachments of email before you open them;

– Never open any attachments of unknown or spam emails;

– Do not visit adult / porn websites;

– Do not update any app from nonofficial websites.