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Windows Defence Unit virus

How to remove Windows Defence Unit (Virus Removal Guide)

Windows Defence Unit virus

Windows Defence Unit (also known as Windows Defense Unit) is the title of a rogue Microsoft Windows security program. Windows Defence Unit is essentially malware found in the scareware and spyware categories of computer infections. The Windows Defence virus is considered dangerous and can cause many problems for computer users relating to the invasion of privacy and loss of computer functionality.

Windows Defence Unit virus

Windows Defence Unit is a fake Microsoft Windows Anti-Malware, Anti-Spyware, or Antivirus program. This rogue Windows program performs fake registry and system scans that show misleading scan results. The scan results will often claim that a numerical amount of errors or issues are found order to scare or scam victims into purchasing or activating Windows Defence Unit ultimate protection. DO NOT PURCHASE THIS PRODUCT!

Once the fake Windows Defence Unit program is installed, to protect it’s self from being removed the program will terminate legitimate programs used to eradicate it and will block access to legitimate and helpful websites. It does this by displaying an alert message that claims the program has become infected with a computer virus or that the website visited is under a virus attack and may crash your system and that the legitimate program has been blocked from accessing the internet. An example of these message is detailed below:

Firewall has blocked a program from accessing the Internet
C:\Program Files\Internet Explorer\iexplore.exe
is suspected to have infected your PC.
This type of virus intercepts entered data and transmits them to a remote server.

The fake program also displays messages that claim the computer is infected or faces security issues. The messages displayed by the fake Windows Defence Unit software should be ignored as they are fraudulent. These fake messages are meant to scare computer users into activating the fake Windows Defence Unit Ultimate package.

Trojan activity detected. System integrity at risk. 
Full system scan is highly recommended.

System data security is at risk!
To prevent potential PC errors, run a full system scan.

Warning! Identity theft attempt detected
Hidden connection IP: xx.xxx.xxx.xxx
Target: Microsoft Corporation keys
Your IP:

How does the Windows Defence Unit virus get onto a computer?

Windows Defence Unit can be manually and voluntarily downloaded from a variety of malicious locations; However, Windows Defence Unit malware is known to install to a computer system without user consent and will often bundle with third-party downloadable content such as freeware, shareware, codecs, and torrents.

Windows Defence Unit malware and related items may also download to a computer without user authorization via malicious advertisements, email spam, torrents, and compromised social media content.

This fake Antivirus software or is sometimes present in exploit kits hidden on malicious websites.

   Green Arrow Bullet   Remove Windows Defence Unit virus

  1. Automatically remove Windows Defence Unit virus – Scan for and automatically remove rogue Windows Defence Unit software
  2. Manually remove Windows Defence Unit virus – Remove/Uninstall Windows Defence Unit and third-party malware if allowed
  3. For Tech Support – Call 1-888-986-8411 and they will kindly assist you with removing this infection

1. Auto Windows Defence Unit removal

Use the instructions below to automatically remove Windows Defence Unit scareware and third-party malware using the free or full versions of Malwarebytes’ Anti-Malware and CCleaner by Piriform.

Malwarebytes Anti-Malware

1. We highly recommend writing down the toll free number below in case you run into any issues or problems while following the instructions. Our techs will kindly assist you with any problems.

if you need help give us a call

2. Install the free or paid version of Malwarebytes Anti-Malware.

Purchase   Download

3. Once Malwarebytes is installed, run the program. If you are using the free version of Malwarebytes you will be prompted to update the database, make sure to do so.

4. On the first tab labeled “Scanner” select the Perform full scan option and click the Scan button to perform a full system scan. Malwarebytes will automatically detect malware infecting the computer system.

Malwarebytes Perform Full Scan

5. Once the malware scan is complete, Malwarebytes may prompt a notice stating malicious objects were detected. Select the malicious objects and click the Remove Selected button to completely remove the malicious files from your computer (the image below shows a file that is NOT selected) or click the Delete button to remove quarantined files.

Malwarebytes Gadgetbox


CCleaner is amazing software that can be used to automatically repair internet browser settings and uninstall stubborn rogue Windows Defence Unit software.

1. Install the free or paid version of CCleaner by Piriform.

CCleaner Analyze Cleaner

2. Once installed, open the program and navigate to Cleaner > Windows/Applications and click the Analyze button. Afterwards, click the Run Cleaner button on the bottom right of the program interface.

CCleaner Startup

3. Next, navigate to Tools > Startup and search through each tab starting from windows, internet explorer, etc., all the way to Content Menu, for additional suspicious entries and click Disable and Delete once anything is found. Something to look for might include the title “Defence Unit.”

4. To automatically uninstall rogue Windows Defence Unit software and unwanted programs, navigate to the Uninstall tab and located software in the list of installed programs. Uninstall the programs as selected.

2. Manual Windows Defence Unit removal

Use the instructions below to manually uninstall rogue Windows Defence Unit software using generic removal procedures (if allowed), as well as third-party malware that may have installed alongside rogue Windows optimization software.

In most cases you will not find this software via the Control Panel. If the instructions below are not useful, please see the helpful links at the end of this article for more solutions or use the automatic steps above.

How to uninstall Windows Defence Unit

1. Access Windows Start Menu and navigate to the Control Panel.

Uninstall a program

2. Click Uninstall a program or Add and remove a program.

3. In the list of installed programs, search for Windows Defence Unit scareware and other potentially unwanted software. Once located, double click the unwanted programs or highlight them in the list and click the Uninstall button.

Helpful links and additional solutions:

Lead Editor

Jared Harrison is an accomplished tech author and entrepreneur, bringing forth over 20 years of extensive expertise in cybersecurity, privacy, malware, Google Analytics, online marketing, and various other tech domains. He has made significant contributions to the industry and has been featured in multiple esteemed publications. Jared is widely recognized for his keen intellect and innovative insights, earning him a reputation as a respected figure in the tech community.

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