Remove CouponOSX adware

By | Posted on October 11, 2014 | Updated on August 13, 2018

CouponOSX is categorically an adware that is referred by many computer users as pesky and annoying add-on. First and foremost, this program will get inside PC and Mac systems unknown to user. It comes uninvited with a program you have intentionally downloaded. In other terms, bundling CouponOSX adware to free program is the trick being used by adware authors. Although, the adware doesn’t live by this technique alone as it may use other ways like spreading links to social media sites and spam emails.

Most of the victims that have acquired CouponOSX are those careless Internet users. The only difference is this adware focuses more on Mac users. However, they are not the only one need to be aware of CouponOSX, because the adware also affects PC users as well.

If CouponOSX adware has entered the computer, instantly you will notice changes on the browser. There are strange things happening while you surf online shopping sites. CouponOSX ads will appear containing a number of coupons that are relevant to your interest. Clicking on this number will expand the offer showing various links, coupons, discounts, and savings for a related product.

It appears that CouponOSX is worthy of being on the browser saving you time looking for online discounts. However, it is reported that adware authors are utilizing this service to direct web browsers to risky web sites. This leads to infection of adware once site is visited.

CouponOSX

Online Security Scanner Report for couponosx.info:

Norton SafeWeb Not yet tested Community Rating: 0.0 Updated: Oct. 11, 2014
MCAfee Site Advisor Not yet rated Feedback: No Data Updated: Oct. 11, 2014
Transparency Report Currently Safe Ratings: No Data Updated: Oct. 11, 2014

Procedures to Remove CouponOSX

This section contains complete instructions to assist you in removing potentially unwanted program from Mac system.

Procedures published on this page are written in method 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 CouponOSX. 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 CouponOSX.

Start Combo Scan

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 : Quit CouponOSX Process

Before proceeding with the steps below, please close CouponOSX window if in case it is open.

1. Go to Launchpad, Utilities folder, open Activity Monitor.

2. Choose All Processes from the upper right corner of the window.

3. Under Process Name column, look for CouponOSX. Click the name to select the malicious process.

4. Next, click the Quit Process button located in the upper left corner of the window.

Force Quit Locked Files

5. When prompted, click on Force Quit.

6. You may now delete or remove files that belongs to CouponOSX. Proceed to the next steps.

Step 3 : Delete CouponOSX Login Items

Some malware also installs login item into compromised account under System Preferences. This object automatically runs CouponOSX 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 CouponOSX.

5. Click on Login Items tab.

6. Select CouponOSX from listed entries and click on the minus [-] button and confirm your actions. Please see image below for reference.

Login Items

Step 4 : Delete Malicious Files that have installed CouponOSX

1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.

~/Library/LaunchAgents

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.

Command + V

4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:

  • CouponOSX.agent
  • Software-Updater.agent

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing the CouponOSX 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.

Option + Command + 4

5. Drag all suspicious files that you may find to Trash.

6. Repeat Step 2, numbers 1-5 procedures on the following folder (without ~):

/Library/LaunchAgents

7. Please restart the computer.

8. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.

~/Library/Application Support

9. Look for suspicious objects or folders with the following names and drag them to the Trash.

  • CouponOSX
  • MediaDownloader
  • Software-Updater
  • Genieo

10. Repeat procedures 8 and 9 on the following folders if necessary.

~/Library/Caches

11. Go to your Finder and open the Applications Folder. Look for subfolders with names similar above and drag them to Trash.

12. Lastly, please Empty your Mac's Trash bin.

Step 5 : Run another Scan using 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 CouponOSX.

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.

Malwarebytes Anti-malware for Mac

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, CouponOSX is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

6. You may now restart the computer.

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