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Active Clean Pro Unwanted Application

Also Known As: Active Clean Pro potentially unwanted application
Damage level: Medium

What is Active Clean Pro?

Active Clean Pro is promoted as software that allows users to tune up their computers by cleaning unnecessary files from various folders, web browsers, etc.

Judging on its appearance and features provided, this may seem to be a legitimate program, however, Active Clean Pro is classed as a potentially unwanted application (PUA), since it usually infiltrates without users' knowledge and developers proliferate it using a deceptive marketing called "bundling".

Active Clean Pro unwanted application

When the scanning process is complete, Active Clean Pro displays a list of various files (such as temporary, pre-fetch, dump, etc.) that are supposedly using disk space or even reducing computer performance. To clean the files or use other features, however, users must to purchase a 'full version' of Active Pro Cleaner.

Note that most "bundled" programs indicate that there are problems with the system and can improve system performance in some way. This is often false and users are tricked into purchasing software that provides no real value. Therefore, the scan results might be false and the software merely cleans the fake list of unnecessary files.

There are many applications that show false results to trick users into paying for so-called 'full versions'. Active Clean Pro might be one of these rogue applications. Therefore, we recommend that you uninstall this software, and you should certainly not pay for it. In some cases, developers use the "bundling" method to install more than one application.

Therefore, it is possible that Active Clean Pro is not the only program that is installed. Unwanted installations might also include adware or browser hijackers.

These applications are also categorized as PUAs - they cause unwanted redirects, deliver intrusive advertisements, and collect personal data. If these apps are present, we recommend that you uninstall them immediately.

The internet is full of potentially unwanted applications. Other apps similar to Active Clean Pro include Perfect PC Cleanup, Cosmos System Care, and My Sys Mechanic

Most of them are very similar and are promoted as "useful applications" that supposedly provide features/tools. In fact, these apps are often designed to generate revenue for their developers by causing redirects, collecting data, and delivering ads. Few provide the functionality promised or any real value. 

How did potentially unwanted applications install on my computer?

Active Clean Pro can be found on its official website and downloaded from there, however, as mentioned above, most PUAs are installed without users' knowledge. Software developers use the so-called "bundling" method to trick users into installing various potentially unwanted applications. "Bundling" is stealth installation of third party apps with regular software/apps.

Therefore, software developers do not disclose information about bundled apps properly, and they hide them in "Custom", "Advanced" and other similar options/settings of the installation processes.

Furthermore, many users skip installation steps without checking available settings - that is how they inadvertently allow PUAs to be installed, putting their systems at risk of various infections and privacy issues.

How to avoid installation of potentially unwanted applications?

Browse the web and download software with care. Download software using official and trustworthy sources, and not third party downloaders, torrents, or other similar programs. Check "Custom", "Advanced" and other settings when installing software.

Decline offers to install potentially unwanted applications and only then proceed to the next step or complete the installation process. Bear in mind that not all advertisements are legitimate, especially if they are intrusive.

If you encounter ads that redirect you to untrustworthy websites such as gambling, pornography, adult dating, and so on, then it is possible that potentially unwanted/adware-type applications are installed on your browser. Check the list of installed extensions, plug-ins, and add-ons - remove any suspicious/unwanted entries immediately.

If your computer is already infected with PUAs, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Screenshot of Active Clean Pro application:

Active Clean Pro application

Active Clean Pro installation setup:

Active Clean Pro installation setup

 Screenshot of third party installer promoting Active Clean Pro application:

Active Clean Pro third party installer

Screenshot of pop-up caused by Active Clean Pro:

Active Clean Pro fake pop-ups

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Removal of potentially unwanted applications:

Windows 11 users:

Accessing Apps and Features in Windows 11

Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.

Windows 10 users:

Accessing Programs and Features (uninstall) in Windows 8

Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

macOS (OSX) users:

Uninstall app in OSX (Mac)

Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.

Active Clean Pro adware uninstall via Control Panel

In the uninstall programs window, look for "Active Clean Pro" and other suspicious/recently-installed applications, select these entries and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted application, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove rogue extensions from Internet browsers:

At time of research, Active Clean Pro did not install any unwanted browser extensions, however, some unwanted applications can be installed together with adware and browser hijackers. If you experience unwanted ads or receive unwanted redirects when browsing the internet, continue with the removal guide below.

Video showing how to remove potentially unwanted browser add-ons:

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing rogue extensions from Internet Explorer step 1

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".

Removing rogue extensions from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the active clean pro potentially unwanted application, reset your Internet Explorer settings to default.

Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows XP

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing rogue extensions from Google Chrome step 1

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons and remove them.

Removing rogue extensions from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the active clean pro potentially unwanted application, reset your Google Chrome browser settings. Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing rogue extensions from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons". Click on "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.

Removing rogue extensions from Mozilla Firefox step 2

Optional method:

Computer users who have problems with active clean pro potentially unwanted application removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.

Optional method:

Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the active clean pro potentially unwanted application, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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