How to uninstall OnlinePlatform app/extension from Mac (Virus removal guide)

What is OnlinePlatform

OnlinePlatform is an adware application that targets Mac computers. Adware can cause many troubles such as unwanted advertisements and pop ups on your internet browser, redirect your searches to scam web sites, browser crashes and slow loading web pages. Adware often installs on Mac computers with malicious downloads, fake updates and free software.

The worst is, the adware has the ability to gather lots of your user information (your ip address, what is a website you are viewing now, what you are looking for on the World Wide Web, which links you are clicking), which can later transfer to third parties.

Therefore it is very important to follow the instructions below without a wait. The step-by-step guide will help you to remove OnlinePlatform as well as get rid of unwanted advertisements. What is more, this guide will help you uninstall harmful apps such as unwanted toolbars and browser hijackers which can be installed onto computer along with the adware.

How does OnlinePlatform get on your MAC system

Most commonly, adware software is bundled within the installation packages from file sharing and torrents websites. So, install free applications is a a good chance that you will find a bundled adware. If you don’t know how to avoid it, then use a simple trick. During the installation, select the Custom or Advanced installation option. Next, click ‘Decline’ button and clear all checkboxes on offers that ask you to install additional apps. Moreover, please carefully read Term of use and User agreement before installing any new software.

Threat Summary

Name	OnlinePlatform, “OnlinePlatform 1.0”
Type	adware, potentially unwanted application (PUA), Mac virus, Mac malware
Detection Names	OSX.Trojan.Gen, MacOS.Agent-MT, Adware.MAC.Generic, Osx.Adware.Cimpli, Program:MacOS/Vigram.A, Adware/Adload!OSX, Trojan-Downloader.OSX.Adload and ApplicUnwnt
Distribution	Freeware installers, torrent downloads, fake updaters and malicious popup ads
Symptoms	The web page links redirect to a web pages different from what you expected, advertising pop-ups won’t go away, new entries appear in your Applications folder, unwanted web-browser toolbars, your web-browser start page has replaced and you are unable to modify it back, speed test good but internet slow.
Removal	OnlinePlatform removal guide

How to remove OnlinePlatform adware

To remove OnlinePlatform adware from your Apple computer, you must uninstall any suspicious applications and every component that could be related to the adware. Besides, to fix your web browser start page, search provider and new tab, you should reset the hijacked internet browsers. As soon as you’re done with the adware removal procedure, we recommend you scan your MAC with malicious software removal utilities listed below. It’ll complete the removal process on your computer.

To remove OnlinePlatform, follow the steps below:

1. Remove profiles created by OnlinePlatform
2. Uninstall OnlinePlatform associated software by using the Finder
3. Remove OnlinePlatform related files and folders
4. Scan your Mac with MalwareBytes
5. Remove OnlinePlatform from Safari, Chrome, Firefox
6. How to stay safe online

Remove profiles created by OnlinePlatform

OnlinePlatform can install a configuration profile on the Mac system to block changes made to the browser settings. Therefore, you need to open system preferences, find and delete the profile installed by the adware.

Click Apple menu ( ) > System Preferences.

In System Preferences, select Profiles. if there is no Profiles in the list of preferences, that means there are no profiles installed on the Mac. If there is Profiles in the list, then click on it, then select a profile related to OnlinePlatform.

To delete a malicious profile, click on the minus button ( – ) located at the bottom-left of the Profiles screen.

Uninstall OnlinePlatform associated software by using the Finder

Some browser hijackers, PUPs and adware can be removed by uninstalling the free applications they came with. If this way does not succeed, then looking them up in the list of installed applications in the Finder. Use the “Move to Trash” command in order to get rid of them.

Make sure you have closed all web browsers and other software. Next, remove any unwanted and suspicious apps from MAC OS using the Finder.

Open Finder and click “Applications”.

Look around the entire list of apps installed on your computer. Most likely, one of them is the OnlinePlatform . Choose the questionable program or the program that name is not familiar to you and remove it.

Drag the suspicious application from the Applications folder to the Trash.

Most important, don’t forget, choose Finder -> Empty Trash.

Remove OnlinePlatform related files and folders

Now you need to try to find OnlinePlatform related files and folders, and then delete them manually. You need to look for these files in certain directories. To quickly open them, we recommend using the “Go to Folder…” command.

OnlinePlatform creates several files, these files must be found and removed. Below is a list of files associated with this unwanted application.

• /Library/LaunchDaemons/com.OnlinePlatform.system.plist
• ~/Library/LaunchAgents/com.OnlinePlatform.service.plist
• /Library/Application Support/.(RANDOM)/System/com.OnlinePlatform.system
• ~/Library/Application Support/.(RANDOM)/Services/com.OnlinePlatform.service.app

Some files created by OnlinePlatform are hidden from the user. To find and delete them, you need to enable “show hidden files”. To do this, use the shortcut CMD + SHIFT + . Press once to show hidden files and again to hide them. There is another way. Click Finder -> Applications -> Utilities -> Terminal. In Terminal, paste the following text: defaults write com.apple.finder AppleShowAllFiles YES

Press Enter. Hold the ‘Option/alt’ key, then right click on the Finder icon in the dock and click Relaunch.

Click on the Finder icon. From the menu bar, select Go and click “Go to Folder…”. As a result, a small window opens that allows you to quickly open a specific directory.

Check for OnlinePlatform generated files in the /Library/LaunchAgents folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchAgents

This will open the contents of the “/Library/LaunchAgents” folder. Look carefully at it and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files: macsearch.plist, com.OnlinePlatform.service.plist, com.machelper.plist, installapp.plist, com.net-preferences.plist, search.plist and com.google.defaultsearch.plist, . Most often, PUPs, browser hijackers and adware create several files with similar names.

Check for OnlinePlatform generated files in the /Library/Application Support folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/Application Support

This will open the contents of the “Application Support” folder. Look carefully at its contents, pay special attention to recently added/changed folders and files. Check the contents of suspicious folders, if there is a file with a name similar to com.OnlinePlatform.system, then this folder must be deleted. Move all suspicious folders and files to the Trash.

Check for OnlinePlatform generated files in the “~/Library/LaunchAgents” folder

In the “Go to Folder…” window, type the following text and press Go:
~/Library/LaunchAgents

Proceed in the same way as with the “/Library/LaunchAgents” and “/Library/Application Support” folders. Look for suspicious and recently added files. Move all suspicious files to the Trash.

Check for OnlinePlatform generated files in the /Library/LaunchDaemons folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchDaemons

Carefully browse the entire list of files and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files to be deleted: com.installapp.system.plist, com.OnlinePlatform.system.plist, com.macsearch.system.plist, com.search.system.plist and com.machelper.system.plist. In most cases, browser hijackers, adware software and potentially unwanted programs create several files with similar names.

Scan your Mac with MalwareBytes

You can remove OnlinePlatform associated files automatically through the use of MalwareBytes Anti-Malware. We recommend this free malware removal tool because it can easily remove potentially unwanted programs, toolbars, browser hijackers and adware with all their components such as files, folders and system entries.

Visit the following page to download the latest version of MalwareBytes Anti-Malware for Mac OS.

When the downloading process is done, close all applications and windows on your MAC system. Run the saved file. Follow the prompts.

The MalwareBytes Anti-Malware will automatically start and you can see its main screen as on the image below.

Now click the “Scan” button to perform a system scan with this utility for the OnlinePlatform adware. This procedure can take some time, so please be patient. While the utility is checking, you can see number of objects and files has already scanned.

When MalwareBytes is finished scanning your Apple Mac, MalwareBytes Anti-Malware will open a list of detected items. Review the results once the tool has finished the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply click the “Quarantine” button. The MalwareBytes AntiMalware will begin to get rid of OnlinePlatform .

Remove OnlinePlatform from Safari, Chrome, Firefox

This step will show you how to remove harmful plugins. This can remove OnlinePlatform adware and fix some browsing problems, especially after adware software infection.

Google Chrome	Mozilla Firefox
In the top right hand corner, click on ‘three vertical dots’, and this will open up the main menu on Chrome. Select ‘More tools’, then ‘Extensions’. Click ‘Remove’ to uninstall an extension. Click ‘Remove’ in the dialog box. You can also try to get rid of OnlinePlatform adware by reset Google Chrome settings.	Click on ‘menu’ button and select ‘Add-ons’. Go to ‘Extensions’ tab. To uninstall an add-on, click on ‘Remove’ button next to it. If you are still experiencing issues with OnlinePlatform removal, you need to reset Firefox browser.
Safari
On the top menu select ‘Safari’, then ‘Preferences’. Select ‘Extensions’ tab. Select an extension you want to delete and click ‘Uninstall’ button next to it.

How to stay safe online

It’s also critical to protect your web-browsers from harmful websites and ads by using an ad-blocking application like AdGuard. Security experts says that it’ll greatly reduce the risk of malicious software, and potentially save lots of money. Additionally, the AdGuard can also protect your privacy by blocking almost all trackers.

1. Download AdGuard by clicking on the link below.
   
   

   AdGuard for Mac download
   3677 downloads
   Author: © Adguard
   Category: Security tools
   Update: January 17, 2018
   
2. When the download is done, start the downloaded file. You will see the “Setup Wizard” program window. Follow the prompts.
3. Once the setup is complete, click “Skip” to close the installation program and use the default settings, or click “Get Started” to see an quick tutorial that will assist you get to know AdGuard better.
4. In most cases, the default settings are enough and you don’t need to change anything. Each time, when you launch your MAC OS, AdGuard will launch automatically and stop unwanted advertisements, block malicious and misleading websites.

Finish words

We suggest that you keep MalwareBytes Anti-Malware (to periodically scan your computer for new adware softwares and other malicious software) and AdGuard (to help you block intrusive advertisements and harmful web-sites). Moreover, to prevent any adware software, please stay clear of unknown and third party applications.

If you need more help with OnlinePlatform related issues, go to here.