1 Click PDF (or 1ClickPDF) is a potentially unwanted program (PUP) that is promoted on various browser extension repository under the category of Search Tool. The page claims that this tool can help user search the internet for any online PDF document files like manuals, resumes, forms, and so on. However, aside for persuading users to download a copy of this suspicious application, 1 Click PDF is also observed to be promoting questionable Mac system optimizer called MacKeeper.
Mac users may bump into 1 Click PDF installation page through malicious advertising campaign availed by its authors. It may pop-up on the browser while browsing online especially when visiting unsafe websites. As shown in the image below, 1 Click PDF can easily attract web users because of its valuable feature to “convert almost any format to PDF.” Though, once it is installed on the browser, its primary concern is to be the default search provider.
1 Click PDF can accomplish forcible browser settings modification which replaces the default search engine and adjust homepage configuration. At this point, it affects both PC and Macintosh computers. While it affects Google Chrome and Safari on Mac, only Chrome browser under MS Windows environment is affected by its PC version.
Computer security enthusiasts deemed 1 Click PDF as another browser extension that was maliciously developed to gather search information from affected browser programs. It is also utilized as one channel to spread rogue security and optimization tool. Therefore, we suggest removing 1 Click PDF as soon as it is spotted on the computer. If in case it was able to modify browser settings, complete guide to restore it to previous state is included in the procedures below.
1 Click PDF Removal Procedures for PC
This section contains comprehensive guide to help you remove threats from the affected computer.
Procedures on this page are written in a manner that can be easily understand and execute by computer users.
Step 1 : Remove 1 Click PDF from Google Chrome
We are presenting various options to remove 1 Click PDF from Google Chrome browser using only internal functions and approach. Most of browser annoyances can be fixed via these processes. If 1 Click PDF persists after executing these steps, it is better to run anti-malware scan as suggested below.
Option 1 – Delete Malicious Extension from Chrome Browser
One way to remove 1 Click PDF from Google Chrome is simply to delete the Extension. Please follow these steps:
1. Open Google Chrome browser.
2. Type the following in the address bar: chrome://extensions
3. On Extensions window, please delete 1 Click PDF by clicking on Remove or Trash icon.
4. Google Chrome will prompt for the confirmation of 1 Click PDF removal. Please click on Remove button to proceed.
5. You may now restart Chrome browser.
Option 2 – Restore Google Chrome to Default Settings
Resetting Google Chrome to default settings is helpful in deleting hard-to-remove extension such as from 1 Click PDF. This method is highly advisable to perform if you have difficulty in removing unwanted extension.
1. Open Google Chrome application.
2. In the address bar, please type the this string: chrome://settings/ and then, press Enter on keyboard.
3. Scroll down, then click Advanced…
4. Scroll to the bottom of the page until you see Reset and Clean Up section.
5. Click on Restore settings to their original defaults button. If it prompts for confirmation, please click Reset Settings to proceed.
This function will reset your home page, new tab page, search engine, and other areas affected by 1 Click PDF. Unwanted extensions will also be removed from the browser. This will not affect your bookmarks, history, and other saved data.
Option 3 – Use Google Chrome Clean Up Feature
1. On Google Chrome address bar, input this string: chrome://settings/cleanup and then press Enter on keyboard.
2. Click Find button to start scanning the computer.
Step 3 : Scan the computer with MBAM Tool
1. Download the free anti-malware scanner called MalwareBytes Anti-Malware.
Malwarebytes Anti-Malware Download Link (this will open a new window)
2. After downloading, install the program. It may run automatically or you have to double-click on the downloaded file mb3-setup-consumer-x.x.x.xxxx.exe.
3. Proceed with the installation using only the default setup. If you need the complete setup procedure, it is available on the download page.
4. At the last stage of installation process, click Finish to run the program.
5. On Malwarebytes Anti-Malware console, select Scan from the menu to see available Scan Method.
6. Next, click on Threat Scan. This is the most comprehensive scan method that will surely find any hidden items linked to 1 Click PDF.
7. Click Start Scan button to begin checking the computer.
8. When scanning is done, Malwarebytes Anti-Malware will display the list of identified threats. Remove all identified threats including 1 Click PDF and restart the computer to finalized the scan process.
Step 4 : Scan and Delete Adware with AdwCleaner
1. Download the tool called AdwCleaner from the location stated below.
Click here to download AdwCleaner (this will open a new window)
2. Once you have completed the download, please close all running programs on the computer.
3. Locate the file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.
4. It searches for presence of harmful programs, plug-ins, add-ons, or any data that were found malicious and linked to 1 Click PDF. You need to Clean all items detected by this tool.
5. Once scan is done, the tool may need to reboot your computer to finalize the cleaning process.
6. After reboot, AdwCleaner will display the log file of the recent scan.
Procedures to Remove 1 Click PDF from Mac
This section contains comprehensive guide to help you remove malicious browser hijacker from internet application.
Procedures on this page are written in a manner that can be easily understand and execute by Mac users.
Step 1 : Quick Fix - Scan the System with Combo Cleaner
Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of malicious browser hijacker like 1 Click PDF. You may need to purchase full version if you require to maximize its premium features.
1. Download the tool from the following page:
Click here to Download Combo Cleaner (this will open a new window)
2. Double-click the downloaded file and proceed with the installation.
3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.
4. Open your Launchpad and click on the Combo Cleaner icon.
5. Wait until antivirus downloads it's latest virus definition updates and click on "Start Combo Scan" to start removing 1 Click PDF.
6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.
Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat.
Step 2 : Remove Browser Extensions that belongs to 1 Click PDF
1. Locate the add-on or extension that is relevant to the hijacker. To do this, please follow the following depending on affected browser.
Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.
Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.
Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plugins lists when it opens a new window.
2. Once you have located 1 Click PDF or 1ClickPDF, MacKeeper, click on Remove or Uninstall, to get rid of it.
3. Close the browser and proceed to the next steps.
Step 3 : Delete Malicious Files that have installed 1 Click PDF
1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.
2. Go to your Finder. From the menu bar please select Go > Go to Folder...
3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.
4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:
The term unknown is just a representation of the actual malware name. It is normally an unfamiliar file name such as the following:
- 1ClickPDF, MacKeeper
If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing 1 Click PDF to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.
Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.
5. Drag all suspicious files that you may find to Trash.
6. Please restart the computer.
7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.
8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.
9. Repeat the process on the following non-hidden folders (without ~):
Optional : For locked files that cannot be removed, do the following:
1. Go to Launchpad, Utilities folder, open Activity Monitor.
2. Select the process you want to quit.
3. Click on Force Quit button.
4. You may now delete or remove locked files that belongs to 1 Click PDF homepage hijacker.
Step 4 : Double-check with MBAM Tool for Mac
1. Download Malwarebytes Anti-malware for Mac from this link:
Click here to download MBAM for Mac (this will open a new window)
2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including 1 Click PDF.
3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.
4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.
5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, 1 Click PDF is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.
Step 5 : Remove 1 Click PDF from Homepage and Search
- Open your Safari browser.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that "New Windows Open With" field is set to Homepage.
- Lastly, remove 1 Click PDF from the Homepage field. Replace it with your preferred URL to be set as your default homepage.
- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing 1 Click PDF. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines...' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.
- Run Mozilla Firefox browser.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace 1 Click PDF settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.
Step 6 : Delete 1 Click PDF Login Items
Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs 1 Click PDF during user log in.
1. Go to Apple menu and choose System Preferences.
2. Select Users & Groups from the preferences window.
3. You may need to Unlock this area in order to make changes. Click on the Lock icon on lower left corner of the window.
4. Next, select user account that runs 1 Click PDF.
5. Click on Login Items tab.
6. Select 1 Click PDF, 1ClickPDF, MacKeeper, or any suspicious entries from the list and click on the minus [-] button and confirm your actions. Please see image below for reference.
Optional : If unable to change browser settings, execute these steps:
Some user complains that there is no way to change browser settings because it is grayed out by 1 Click PDF. In such situation, it is important to check if there is unwanted profile. Please do the following:
1. Quit any running applications and launch System Preferences from your Dock.
2. Under System Preferences, click Profiles.
3. Select 1ClickPDF, MacKeeper, 1 Click PDF or any relevant profile from the left pane. See image below.
4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.
5. Close the Profiles window and open the affected browser to change all settings associated with 1 Click PDF.