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PC Doctor Adware

Also Known As: Ads by PC Doctor
Type: Adware
Damage level: Medium

What is PC Doctor?

Created by Mesa Roha Solutions LLC, PC Doctor is a rogue browser extension claiming to improve computer performance, enhance users' Internet browsing safety, and enable other similar functionality. While this browser extension may seem legitimate, be aware that it is categorized as adware or a potentially unwanted application.

PC Doctor employs a deceptive software marketing method called 'bundling' (stealth installation of additional applications together with the chosen software) to install on Internet browsers without users' consent.

After successful infiltration on Internet Explorer, Google Chrome, and Mozilla Firefox, PC Doctor generates intrusive online advertisements and monitors users' Internet browsing activity.

PC Doctor virus

These intrusive advertisements include banner, in-text, interstitial, text-link, and pop-up ads. It is highly probable that clicking these ads will cause high-risk adware or malware infections.

In addition, PC Doctor monitors users' Internet browsing activity by recording various information, which may be personally identifiable such as IP addresses, unique identifier numbers, operating systems, browser types, cookies, URLs visited, pages viewed, and other similar details.

This behavior may result in adware or malware infections, and therefore, Internet users are strongly advised to remove PC Doctor from their Internet browsers. There are many rogue browser extensions similar to PC Doctor, for example, Disturbicons, Theater Mode, and Share It All.

Neither PC Doctor, nor any of these other extensions add any real value for the user - their purpose is to generate income by the display of intrusive online advertisements.

Commonly, users infect their computers with adware during download of free software via small programs called 'download clients' on freeware download websites.

Most of these websites (including download.com, softonic.com, and soft32.com) employ download clients to monetize their free services by offering installation of promoted 'legitimate' browser add-ons together with the chosen free software. Thus, reckless download and installation of freeware often results in adware or malware infections.

This situation can be prevented by closely observing each step of the freeware download process and never accepting installation of any additional programs offered. When installing downloaded software, choose the 'Advanced' or 'Custom' installation options - this will reveal any hidden applications listed for installation and allow you to decline them.

If you have already installed PC Doctor and observe intrusive online advertisements caused by this adware, read the following removal guide and eliminate PC Doctor adware from your Internet browsers.

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Quick menu:

PC Doctor adware removal:

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.

PC Doctor uninstall from Control Panel

In the uninstall programs window, look for "PC Doctor", select this entry and click "Uninstall" or "Remove".

After uninstalling PC Doctor, scan your computer for any remaining unwanted components or possible malware infections. Recommended malware removal software.

Remove PC Doctor ads from Internet browsers:

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

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing PC Doctor from Interent 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 "PC Doctor" and disable it.

Removing PC Doctor from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the ads by pc doctor, 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 PC Doctor from Google Chrome step 1

Click the Chrome menu icon Google Chrome options icon (at the top right corner of Google Chrome) select "Tools" and click on "Extensions". Locate: "PC Doctor", select it and click the trash can icon.

Removing PC Doctor from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by pc doctor, 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 plugins from Mozilla Firefox:

Removing PC Doctor 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" and remove "PC Doctor".

Removing PC Doctor from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by pc doctor 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 ads by pc doctor, 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.

QR Code
Ads by PC Doctor QR code
Scan this QR code to have an easy access removal guide of Ads by PC Doctor on your mobile device.
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