(SOLVED!) How to Remove "1866-811-5999" virus (PUP.1866-811-5999) in 5 minutes? "1866-811-5999" Removal Tips

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

What is 1866-811-5999?

1866-811-5999 is reported as Win32:PUP-gen (potentially unwanted program).

1866-811-5999 detected as PUP.1866-811-5999.

1866-811-5999 is usually installed hiddenly without a user permission. 1866-811-5999 uses obtrusive, misleading, or deceptive advertising.

1866-811-5999 is hard in removal!

I suggest you to remove 1866-811-5999 from your PC as soon as possible!
Tried to remove 1866-811-5999? Cannot completely delete 1866-811-5999, because it gets back?
See how to fix 1866-811-5999 step by step using my removal guide.

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How 1866-811-5999 got on your computer?

Like many potentially unwanted programs, 1866-811-5999 can be installed on your computer as part of a bundle with another tool you downloaded from the Internet. Since 1866-811-5999 manufacturer pays software developers for distributing 1866-811-5999 within their applications, 1866-811-5999 is often included as part of the installer.
1866-811-5999 is also often distributed with free games and simple, one-click freeware tools developed specifically with the purpose of getting 1866-811-5999 onto as many computers as possible.
Usually, you have not only one 1866-811-5999 problem, but a bunch of similar WIN32:PUPs.

How dangerous is 1866-811-5999?

While 1866-811-5999 is not considered illegal and is not officially classified as malware, it poses a direct threat to your privacy. Since 1866-811-5999 runs alongside your Web browser, it can collect and transmit information such your search queries, Web forms and passwords, names and messages, track Web sites that you visit, and do much more on your computer without you even knowing. 1866-811-5999 was reported to cause significant slowdowns in browser performance, making Web page load times much longer compared to a clean system.

On a scale of 1 to 5 (with 1 being "mostly harmless", 3 being "invasive" and 5 being "dangerous"), 1866-811-5999 can be rated as a 3.

You have 2 ways to remove 1866-811-5999:

You have 2 ways

Remove it automatically1. Remove Automatically.
Remove it manually2. Remove Manually.

Why I recommend you to use an automatic way?

  1. You know only one virus name: "1866-811-5999", but usually you have infected by a bunch of viruses.
    The UnHackMe program detects this threat and all others.
  2. UnHackMe is quite fast! You need only 5 minutes to check your PC.
  3. UnHackMe uses the special features to remove hard in removal viruses. If you remove a virus manually, it can prevent deleting using a self-protecting module. If you even delete the virus, it may recreate himself by a stealthy module.
  4. UnHackMe is small and compatible with any antivirus.
  5. UnHackMe is fully free for 30-days!

Here’s how to remove 1866-811-5999 virus automatically:

STEP 1: Install UnHackMe (1 minute)

STEP 2: Scan for malware using UnHackMe (1 minute)

STEP 3: Remove 1866-811-5999 virus (3 minutes)

So it was much easier to fix such problem automatically, wasn't it?
That is why I strongly advise you to use UnHackMe for remove 1866-811-5999 redirect or other unwanted software.

How to remove 1866-811-5999 manually:

STEP 1: Check all shortcuts of your browsers on your desktop, taskbar and in the Start menu. Right click on your shortcut and change it's properties.


You can see 1866-811-5999 at the end of shortcut target (command line). Remove it and save changes.

In addition, check this command line for fake browser's trick.
For example, if a shortcut points to Google Chrome, it must have the path:
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe.
Fake browser may be: …\Appdata\Roaming\HPReyos\ReyosStarter3.exe.
Also the file name may be: “chromium.exe” instead of chrome.exe.

STEP 2: Investigate the list of installed programs and uninstall all unknown recently installed programs.

check installed programs to uninstall

STEP 3: Open Task Manager and close all processes, related to 1866-811-5999 in their description. Discover the directories where such processes start. Search for random or strange file names.

Remove 1866-811-5999 virus from running processes

Remove 1866-811-5999 virus from running processes

STEP 4: Inspect the Windows services. Press Win+R, type in: services.msc and press OK.

Remove 1866-811-5999 virus from Windows services

Remove 1866-811-5999 virus from Windows services

Disable the services with random names or contains 1866-811-5999 in it's name or description.

STEP 5: After that press Win+R, type in: taskschd.msc and press OK to open Windows Task Scheduler.
Remove 1866-811-5999 from scheduled task list.

Delete any task related to 1866-811-5999. Disable unknown tasks with random names.

STEP 6: Clear the Windows registry from 1866-811-5999 virus.
Press Win+R, type in: regedit.exe and press OK.

Remove 1866-811-5999 virus from Windows registry

Remove 1866-811-5999 virus from Windows registry

Find and delete all keys/values contains 1866-811-5999.

STEP 7: Remove 1866-811-5999 from Google Chrome.
Remove 1866-811-5999 Virus from Chrome Extensions

STEP 8: Remove 1866-811-5999 from Internet Explorer.

Set Internet Explorer Homepage

Set Internet Explorer Homepage

STEP 9: Remove 1866-811-5999 from Mozilla Firefox.

Change Firefox Home Page

Change Firefox Home Page

STEP 10: And at the end, clear your basket, temporal files, browser's cache.

But if you miss any of these steps and only one part of virus remains – it will come back again immediately or after reboot.

I use UnHackMe for cleaning ads and viruses from my friend's computers, because it is extremely fast and effective.

STEP 1: Download UnHackMe for free

UnHackMe removes Adware/Spyware/Unwanted Programs/Browser Hijackers/Search Redirectors from your PC easily.

Free Download

UnHackMe is compatible with most antivirus software.
UnHackMe is 100% CLEAN, which means it does not contain any form of malware, including adware, spyware, viruses, trojans and backdoors. VirusTotal (0/56).
System Requirements: Windows 2000-Windows 8.1/10 32 or 64-bit. UnHackMe uses minimum of computer resources.

STEP 2: Double click on UnHackMe_setup.exe

You will see a confirmation screen with verified publisher: Greatis Software. Verified Publisher Greatis Software

Once UnHackMe has installed the first Scan will start automatically

Review the detected threats

STEP 3: Carefully review the detected threats!

Click Remove button or False Positive.


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