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How to remove OperativeState adware from browsers and computers

Also Known As: Ads by OperativeState
Type: Mac Virus
Damage level: Medium

What is OperativeState?

OperativeState promotes z6airr.com and adjustablesample.com (by changing browser settings), serves advertisements, and gathers sensitive information. In this way, the app functions as adware, a browser hijacker, and an information tracking tool.

Users do not often download or install apps such as OperativeState intentionally and, for this reason, they are categorized as potentially unwanted applications (PUAs).

OperativeState adware

OperativeState promotes z6airr.com (on Safari) and adjustablesample.com (on Chrome) by assigning another address (depending on which browser is hijacked by OperativeState) as the default search engine, homepage, and new tab URL.

With OperativeState installed on the browser and/or computer, users are forced to visit z6airr.com or adjustablesample.com when they open a browser, enter search queries into the URL bar, and open a new browser tab.

Note that z6airr.com provides results generated by Yahoo (it redirects users to search.yahoo.com), whilst adjustablesample.com generates results, which can include links to other untrusted web pages. Search engines that are promoted by browser hijackers or adware should not be trusted or used.

Commonly, users can only undo changes made by OperativeState and similar apps after uninstalling the rogue software. Furthermore, OperativeState might serve advertisements including banners, coupons, surveys, pop-up ads, etc. Generally, these are used to promote dubious websites, and can also cause download/installation of PUAs by executing certain scripts.

Do not trust OperativeState or other similar apps, since they can read sensitive information such as passwords, credit card details, telephone numbers, and so on. The developers sell the details to third parties (potentially, cyber criminals), steal identities and personal accounts, make fraudulent purchases and transactions, and use them for other malicious purposes.

Therefore, never download or install apps such as OperativeState.

Threat Summary:
Name Ads by OperativeState
Threat Type Adware, Mac malware, Mac virus.
Detection Names Avast (MacOS:AdAgent-L [Adw]), AVG (MacOS:AdAgent-L [Adw]), ESET-NOD32 (Multiple Detections), Kaspersky (Not-a-virus:HEUR:AdWare.OSX.Adload.h), Full List (VirusTotal).
Additional Information This application belongs to the Adload malware family.
Symptoms Your Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers, torrent file downloads.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious 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.

Note that OperativeState and similar apps are advertised as legitimate and useful, however, most are useless can cause serious problems. These apps are designed only to generate revenue for the developers. Some examples of other apps similar to OperativeState are InitialWindow, ConnectionFormat and ExpandedSkill.

How did OperativeState install on my computer?

Browser hijackers, adware-type apps, and other types of PUAs are commonly distributed by integrating them into the download and/or installation set-ups of other programs, so that a proportion of users inadvertently download and install them together with their chosen software.

This distribution method is known as "bundling". Offers to download and install additionally-included apps usually appear in "Advanced", "Custom" and other settings of the set-ups (where they can usually be declined). Many users fail to check and change these settings, thereby granting permission for PUAs to be downloaded and installed by default.

In addition, unwanted downloads and installations are sometimes caused by clicking deceptive advertisements capable of executing certain scripts.

How to avoid installation of potentially unwanted applications

Check all "Advanced", "Custom", and "Manual" settings and decline offers to download or install unwanted apps (usually by deselecting checkboxes). Files and programs should be downloaded only from official pages and via direct download links.

Other sources and channels such as Peer-to-Peer networks (e.g., torrent clients, eMule), unofficial sites, free file hosting sites, third party downloaders can distribute unwanted, potentially malicious files and programs. Do not click advertisements that are displayed on dubious websites, since they often promote untrusted websites or distribute, download and install unwanted apps.

Remove any unwanted plug-ins, add-ons, and extensions from the browser. Also remove programs of this kind that are installed on the operating system. If your computer is already infected with OperativeState, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate this adware.

z6airr.com redirects to search.yahoo.com (GIF):

z6airr.com redirects to search.yahoo.com

adjustablesample.com generates its own results (GIF):

adjustablesample.com generates its results

Pop-up window displayed once OperativeState installation is complete:

operativestate adware pop-up displayed once installation is over

OperativeState installed on Safari:

operativestate adware installed on safari

OperativeState installation folder:

operativestate adware contents folder

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 OperativeState adware using Combo Cleaner:

OperativeState adware removal:

Remove OperativeState-related potentially unwanted applications from your "Applications" folder:

mac browser hijacker 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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Removal Instructions in other languages
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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