Windows Privacy Extension is name-changing fake antivirus software. Fresh copies of this malware are released daily in hoping to target as many victims as it can. It is obvious that members from this group wear the same skin. See the screen shot image below.
To be able to reach a target PC, Windows Privacy Extension utilizes a Trojan that can make your antivirus program unstable. It directly hit the running process and instantly kills it. Next, it will corrupt the file making the antivirus useless. Without a protection, target computer becomes more exposed to succeeding attack planned by the Trojan. It can now drop and execute a copy of Windows Privacy Extension to helpless computer.
When the fake software is running, it exhibits so many fake warnings. All of them recount how a virus strikes the computer. It all points to the immediate removal by asking user to purchase the full version of Windows Privacy Extension. Every computer user should disregard this one piece of advice. If not, this will lead to a payment-processing page where attackers will charge your credit card account for a licensed copy of this worthless software.
Remove Windows Privacy Extension when you notice it on the computer. It is rogue and therefore, you should eliminate it as soon as possible. See the guide below to help you take out this malware effectively.
What are the Symptoms of Windows Privacy Extension Infection?
Here is a screenshot image of the rogue program when it begins to scan the computer.
It will modify Windows Registry and add the following entries:
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnOnHTTPSToHTTPRedirect” = 0
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit” = 0
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegistryTools” = 0
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = 0
HKCU\Software\Microsoft\Windows\CurrentVersion\Settings “net” = “u_2012-5-24_6”
HKCU\Software\Microsoft\Windows\CurrentVersion\Settings “UID” = “mskcufgftr”
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\njsyqwin.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SafetyKeeper.exe
The threat will drop the following malicious files:
%AppData%\Protector-[random 3 characters].exe
%AppData%\Protector-[random 4 characters].exe
%CommonStartMenu%\Programs\Windows Privacy Extension.lnk
%Desktop%\Windows Privacy Extension.lnk
Procedure 1: Uninstall Windows Privacy Extension from Windows Control Panel
1. Begin the removal process by uninstalling the rogue program from Windows. To do this, we need to open Control Panel. Please ensure that you are logon with the Administrative privilege to access this function.
Accessing Control Panel in Windows 8 and Windows 10
- On your keyboard, Press Windows Key + X.
- Once Quick Access Menu appears on the screen, please click on Control Panel.
- Control Panel window will open. Please proceed to the next step which is uninstalling Windows Privacy Extension.
How to access Control Panel in Windows XP, Windows Vista / 7
- Click on Start button that can be found on bottom left corner of the screen.
- From the list, choose Control Panel to access settings of Windows and make the needed changes.
2. To uninstall Windows Privacy Extension, click on Uninstall a program under Programs Section. It will open a Program and Features window where-in you can uninstall, change, or repair installed software.
3. Look for Windows Privacy Extension title or any suspicious name that was installed recently. To do this, you need to arrange the items chronologically. Click on Installed On to display recently installed programs.
4. Select Windows Privacy Extension or any suspicious items and then Click on Uninstall button to remove it from Windows.
5. If it prompts for confirmation, please click OK button to proceed.
Procedure 2: Scan and remove Windows Privacy Extension files with MalwareFox Anti-Malware
To remove Windows Privacy Extension, download MalwareFox Anti-Malware. This tool is effective in getting rid of Trojans, viruses and malware.
1. After downloading, please install the program using the default settings.
2. At the end of the installation, please make sure that it will download necessary updates.
3. Once update has completed, MalwareFox will launch.
4. Click on SCAN button from the main window.
5. MalwareFox will detect all the infections in the computer system and list all the threats.
6. Click Next button to remove all the infections in one click.
Procedure 3: Scan Computer in Safe Mode Using Installed Anti-virus Program
1. When troubleshooting a PC, one common step is to boot operating system into Safe Mode with Networking. The same approach will be used in the removal of Windows Privacy Extension. Please execute instructions based on your Windows OS version.
Start Windows 8 / Windows 10 in Safe Mode with Networking
- Close all running programs on your computer because we will need to restart Windows on this procedure.
- Press and Hold Shift key on your keyboard while clicking on Restart.
- You will then be presented with Troubleshooting Options.
- Click on Troubleshoot icon.
- Then, Click on Advanced Options icon.
- Select Startup Settings icon and then, Click on Restart button.
- When Windows restarts, it will prompt to choose number from the list of options. Press the number on your keyboard that corresponds to Safe Mode with Networking, commonly number 5.
- Once in Safe Mode, please proceed to the next step which is running a virus scan on the computer.
Start in Safe Mode with Networking (Windows XP / Vista / 7 Instruction)
- Please restart the computer and just before Windows start, press F8 on your keyboard repeatedly. You will be presented with Advanced Options Menu.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.
2. Once your Windows is running in Safe Mode, open your installed anti-virus programs and update it to the most recent version by automatically downloading necessary updates.
3. Thoroughly scan the computer and remove all identified threats. Do not restart or turn off the computer after the scan process. You still need to run another scan. Please follow the next procedure.
Procedure 4: Run TrendMicro's Anti-Threat Toolkit (ATTK) to check and delete any remnants of Windows Privacy Extension.
As an added help to remove Windows Privacy Extension, you can scan the computer with Anti-Threat Toolkit. This software is provided and distributed by TrendMicro. Follow this procedure to run a scan with this tool.
1. Download the package by clicking on the button below. This will launch a new browser window that contains further details about the tool.
2. Save the file to a location on your hard drive.
3. Browse for the location of the file and double-click to run. If you are using Windows Vista or Windows 7, right-click on extracted file supportcustomizedpackage and click on Run as Administrator.
4. When program launch, it will run a command prompt to initialize, prepare components, and update the program.
5. Next it will open the graphical user interface (GUI) of Anti-Threat Toolkit.
6. Click on Scan Now. This operation will scan all Windows Privacy Extension files and processes in your computer and display a list of result for possible Fake Antivirus program and malware that needs to be removed.
7. Tick all items that are detected by the program, and then click Clean. The tool will start removing Windows Privacy Extension components from the computer.
8. If it asked you to restart Windows, please do so.
Protect your PC from Windows Privacy Extension or Similar Attack
Turn On Safe Browsing Features
Google Chrome's Protection from Dangerous Sites
With Google Chrome's Dangerous Site Protection feature, you will have lesser risks browsing the web. It will display a warning when the site you are trying to visit is suspicious, thus, you can prevent Windows Privacy Extension infection. To enable protection from dangerous sites, please do these steps:
1. Open Google Chrome.
2. In the address bar, type this: chrome://settings/ and then, Press Enter.
3. Once on the settings page, click on Show advanced settings... at the bottom of the page to see the rest of the Chrome setup.
4. Locate Privacy section and mark 'Protect you and your device from dangerous sites'.
5. Please restart Google Chrome. New settings keep your browser safe while surfing the web.
Internet Explorer - Activate SmartScreen Filter
Internet Explorer versions 8 and 9 has this feature called SmartScreen Filter. It helps detect phishing web sites and protect you from downloading malicious programs including Windows Privacy Extension. To turn on SmartScreen Filter, follow these steps:
1. Please open Internet Explorer.
2. On top menu, select Tools (IE 9). For IE 8, please look for Safety menu.
3. Select SmartScreen Filter from the drop-down list and click on Turn on SmartScreen Filter.
4. Please restart Internet Explorer.
Mozilla Firefox - Block Attack Sites and Web Forgeries
Phishing and Malware Protection is a built-in feature on Firefox version 3 or later. It warns you when a page you are trying to visit contains phishing content or an attack site designed to drop threats such as Windows Privacy Extension. To help you keep safe while browsing the Internet using Firefox, please follow this guide:
1. Open Mozilla Firefox browser.
2. On top menu, click on Open Menu. Then select Options from the list.
3. Select Security and put a check mark on the following items:
- Warn me when sites try to install add-ons
- Block reported attack sites
- Block reported web forgeries
Edge Browser - SmartScreen Filter
SmartScreen filter is a built-in feature in Microsoft Edge browser that can help you deter malicious programs such as Windows Privacy Extension. It can block malicious web sites and downloads.
1. Open Microsoft Edge browser.
2. Click on More Actions button located at top right corner of the screen.
3. Select Settings from the drop-down list.
4. Under Settings menu, go to Advanced Settings section and click on View Advanced Settings.
5. Scroll down to "help protect my PC from malicious sites and downloads with SmartScreen Filter". Turn it to ON.
6.You may now restart Microsoft Edge browser.