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JC Media Player Adware (Mac)

Also Known As: Ads by JC Media Player
Type: Mac Virus
Damage level: Medium

What is JC Media Player?

JC Media Player is a deceptive application presented as a high quality audio/video player. Its appearance suggests that JC Media Player is legitimate and useful, but it is categorized as a potentially unwanted application (PUA) and adware, since developers proliferate it using intrusive advertising and "bundling" methods.

Research shows that JC Media Player infiltrates systems without users’ permission, delivers intrusive advertisements, and gathers various information.

JC Media Player adware

After successful system infiltration, JC Media Player deploys intrusive advertisements (pop-ups, banners, coupons, etc.) using tools that enable placement of third party graphical content on any site. Therefore, they are likely to conceal underlying content, significantly diminishing the browsing experience.

Intrusive advertisements can redirect to malicious websites and execute scripts that download and install unwanted applications/malware. Therefore, even a single accidental click might result in high-risk computer infections. Adware-type applications such as JC Media Player are also notorious for information tracking.

These apps typically record IP addresses, website URLs visited, search queries, pages viewed, and other data relating to web browsing habits. This information usually includes personal details that developers sell to third parties (potentially, cyber criminals) who continue to misuse private information to generate revenue.

Therefore, having a data-tracking app such as JC Media Player installed on your computer might lead to serious privacy issues or even identity theft. If you experience suspicious redirects, uninstall all suspicious applications and browser plug-ins.

Threat Summary:
Name Ads by JC Media Player
Threat Type Mac malware, Mac virus
Symptoms Your Mac became slower than normal, you see unwanted pop-up ads, you get redirected to shady websites.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake flash player installers, torrent file downloads.
Damage Internet browsing tracking (potential privacy issues), displaying of unwanted ads, redirects to shady websites, loss of private information.
Malware Removal (Mac)

To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
▼ Download Combo Cleaner for Mac
To use full-featured product, you have to purchase a license for Combo Cleaner. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

JC Media Player belongs to the InstallCore adware family and is identical to Elite Video Converter, MM Unzip, PDF Mac Master, and a number of other apps. In fact, all adware is very similar.

These applications offer 'useful features', but few provide any real value. Unwanted apps typically have just one purpose: to generate revenue for the developers. In most cases, adware simply delivers intrusive advertisements and gathers information, thereby posing a direct threat to your privacy and browsing safety.

How did JC Media Player install on my computer?

Research shows that, although JC Media Player has an official download website, it is likely to infiltrate systems without permission, since developers proliferate it using intrusive advertisements and a deceptive marketing method called "bundling" (stealth installation of third party apps together with regular software/apps).

Developers do not adequately disclose installation of unwanted applications. They are hidden within "Custom/Advanced" settings (or other sections) of the download/installation processes.

Furthermore, many users rush download/installation processes, skip steps, and click advertisements without understanding the possible consequences. This behavior can result in inadvertent installation of potentially unwanted applications such as JC Media Player.

How to avoid installation of potentially unwanted applications?

To prevent this situation, be very cautious when browsing the Internet and downloading/installing software. In most cases, intrusive advertisements seem legitimate and useful, since developers invest many resources into their design, however, most lead to dubious websites (gambling, adult dating, pornography, etc.).

If you experience these ads, immediately remove all dubious applications and browser plug-ins. Carefully analyze each download/installation step and opt-out of additionally-included applications. Download applications from official sources only, using direct download links, since developers monetize third party downloaders/installers by "bundling" rogue apps.

The key to computer safety is caution. If your computer is already infected with JC Media Player, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate this adware.

Deceptive application installer promoting JC Media Player adware:

Delusive installer used to promote JC Media Player

Pop-up promoting JC Media Player:

Dubious website used to promote JC Media Player

Screenshot of JC Media Player application:

JC Media Player app

Instant automatic Mac 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 Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for Mac 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. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Video showing how to remove adware and browser hijackers from a Mac computer:

JC Media Player adware removal:

Remove JC Media Player-related potentially unwanted applications from your "Applications" folder:

mac adware removal from applications folder

Click the Finder icon. In the Finder window, select “Applications”. In the applications folder, look for “MPlayerX”,“NicePlayer”, or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

Remove adware-related files and folders

Mac Go To Folder step

Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder...

Mac removing related files and folders - step 1Check for adware generated files in the /Library/LaunchAgents/ folder:

Mac go to /Library/LaunchAgents - step 1

In the Go to Folder... bar, type: /Library/LaunchAgents/

Mac go to /Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 2Check for adware generated files in the ~/Library/Application Support/ folder:

Mac go to /Library/Application Support - step 1

In the Go to Folder... bar, type: ~/Library/Application Support/

Mac go to /Library/Application Support - step 2

In the "Application Support" folder, look for any recently-added suspicious folders. For example, "MplayerX" or "NicePlayer", and move these folders to the Trash.

Mac removing related files and folders - step 3Check for adware generated files in the ~/Library/LaunchAgents/ folder:

Mac go to ~/Library/LaunchAgents - step 1

In the Go to Folder... bar, type: ~/Library/LaunchAgents/

Mac go to ~/Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 4Check for adware generated files in the /Library/LaunchDaemons/ folder:

Mac go to /Library/LaunchDaemons - step 1

In the "Go to Folder..." bar, type: /Library/LaunchDaemons/

Mac go to /Library/LaunchDaemons - step 2

In the "LaunchDaemons" folder, look for recently-added suspicious files. For example "com.aoudad.net-preferences.plist", "com.myppes.net-preferences.plist", "com.kuklorest.net-preferences.plist", "com.avickUpd.plist", etc., and move them to the Trash.

Mac removing malware related files and folders - step 5Scan your Mac with Combo Cleaner:

If you have followed all the steps correctly, your Mac should be clean of infections. To ensure your system is not infected, run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file, double click combocleaner.dmg installer. In the opened window, drag and drop the Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates its virus definition database and click the "Start Combo Scan" button.

Mac remove malware with Combo Cleaner - step 1

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays "no threats found" - this means that you can continue with the removal guide; otherwise, it's recommended to remove any found infections before continuing.

Mac remove malware with Combo Cleaner - step 2

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

Remove malicious extensions from Internet browsers

Safari iconRemove malicious Safari extensions:

Removal of malicious extensions in Safari - step 1

Open the Safari browser, from the menu bar, select "Safari" and click "Preferences...".

Removal of malicious extensions in Safari - step 2

In the preferences window, select "Extensions" and look for any recently-installed suspicious extensions. When located, click the "Uninstall" button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for regular browser operation.

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Google Chrome logoRemove malicious extensions from Google Chrome:

Removal of malicious extensions in 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 extensions, select these entries and click "Remove".

Removal of malicious extensions in Google Chrome - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.

Mozilla Firefox logoRemove malicious extensions from Mozilla Firefox:

Removal of malicious extensions in Mozilla Firefox - step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window) and select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".

Removal of malicious extensions in Mozilla Firefox - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

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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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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 JC Media Player QR code
Scan this QR code to have an easy access removal guide of Ads by JC Media Player on your mobile device.
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