How To Remove AdStealer Trojan from Mac OSx

Complete Solution To Delete AdStealer Trojan from Mac PC

AdStealer Trojan is a vicious program that is mainly designed to infect Mac Operating System.  Once infected the system it instantly take control over the Mac OS and starts to perform malicious activities. It has been launched to access mac System remotely and steal user’s personal information. It may distribute via the fake flash payer update, freeware program and a spam email attachments.

AdStealer Trojan

It injects a some malicious files into the mac System that may compromise the System and the network as well. It may disable the System security and privacy by inactivate firewall, task manager, control panel and real antivirus program and makes the PC more vulnerable. It may also corrupt the System files and windows registries as well as create duplicate file as a similar name to regenerate itself after removal.

It is capable to connect your System with remote server to remotely access your PC. It may also take huge spaces of the System memory to slowdown overall performance and makes your PC completely useless.  It can also steal sensitive and credential information like as email-id,  password, bank account details, IP address etc. Thus it is highly advice to remove AdStealer Trojan without any delay ay the first detection.

Common Harmful activities of Ad Stealer Trojan:

  • It usually infects Mac operating System.
  • It Corrupts the System files and Windows registries and replace them with malicious ones.
  • It makes the System more vulnerable by disable System security and privacy including firewall, task manager and antimalware.
  • It takes control over the System and allows cyber-criminal to remotely access your PC.
  • It takes huge resources of the System memory to slowdown overall performance.
  • It steals personal and confidential information like as email-id, password, bank account details, IP address etc.

 How did AdStealer Trojan infect your System?

AdStealer Trojan mostly infects your System via the fake installer of Flash Player update. It may also come with the freeware program which contains additional setup of third party program. Mostly users download or install System Software from third party downloader site with carelessness. They also skip custom, advance and manual settings. Skipping such important setting cause the installation of malware infection such as AdStealer Trojan.

A part from it, cyber-criminal uses spam email attachments to proliferate malware infections. Usually spam email contains various kinds of malicious attachments and downloader links. The malicious attachments can be into various formats like as MS word, PDF documents, Zip, archer and so on. Such files seem legitimate, useful and important. Opening such file causes the execution of malicious scripts that install malware infections.

 How To Protect your System from AdStealer Trojan:

It is highly advice do not download or install System software from third party downloader site such as free hosting files,, third party downloader site. Software must be downloading from only trustworthy downloader site. It is important to read their terms and license agreements. Must select custom, advance and other important settings.

Do not open email which received from unknown sender or especially contains any attachments or downloader links. It is important to scan attached email file before opening them. It is highly advice verify the email address. Must check the email body content including grammatical error and spelling mistakes. Scan your PC with reputable antimalware tool. If your System is already infected with this Trojan and you are unable to eliminate this infection manually then we are highly advice  to remove AdStealer Trojan by using automatic removal tool.

Mac users can download and check if the free scanner can help cleaning AdStealer Trojan from their infected system

Remove AdStealer Trojan from Mac OS X system

We are going to discussion two possible ways to perform AdStealer Trojan removal 1) Manual Removal and 2) Automatic Removal method. The Manual process is more suited to the people who know their system really well. This method is quite unreliable, takes lots of time and need technical skills. Any mistakes during the process can cause major damage to your system. If you cannot reverse such damages, use Automatic Removal Method. It is easy to detect and remove any malicious programs like AdStealer Trojan from the device using some reputable antivirus tools like Combo Cleaner. Such tools also offer other important tools like duplicate files finder, clean junk files, huge file finder, privacy protection, browser cleaning and Mac speed booster. For the convenience, we are here providing you both the manual and automatic instruction one by one.

How to remove AdStealer Trojan manually?

  • First of all, open the Utilities folder on your Mac

  • Search for the option Activity Monitor and double-click on it

  • Select malicious or suspicious processes related to the AdStealer Trojan and click on the cross button from the upper left side corner to end the task

  • When a pop-up dialogue box appears on the screen, click on the Force Quit button

The AdStealer Trojan can keep coming back on the device if the core files are not completely removed. We recommend you downloading Combo Cleaner. Using this, you can remove all the hidden files and also save time and effort as well.

Automatically remove AdStealer Trojan from the Mac OS X

  • Drag the install file to Applications folder to install the program

  • Go to Antivirus tab, Select Scan Mode and press Start Scan button

  • Software will find all the files. You just click on the Remove all the threats button

Remove AdStealer Trojan from Applications

  • Click Go button at the top left of the screen and select Applications
  • Wait till the Applications folder appears, and look for AdStealer Trojan or other suspicious programs on it and then right click on each entry and select Move to Trash

Remove AdStealer Trojan related files and folders

Click the Finder icon (from menu bar), choose Go and select Go to Folder

Step 1: Check the malware generated files in the Library/LaunchAgents folder

In the Go to folder…. bar, type /Library/LaunchAgents

Look for any recently added suspicious files in this folder. Such files could be “installmac.AppRemoval.plist”, “”, “mykotlerino.ltvbit.plist”, “kuklorest.update.plist”, etc. If you find any similar, move them to the Trash.

Step 2: Erase the suspicious files from “/Library/Application” Support folder

Type “/Library/Application Support” in this folder

In the Application Support folder, you may find MplayerX or NicePlayer or other similar suspicious folders. Move these folders to the Trash.

Step 3: Check the /Library/LaunchDaemons Folder for the suspicious files created by malware

In the Go to Folder… bar, type /Library/LaunchDaemons

In the LaunchDaemons folder, search for the files “”, “”, “”, “com.avickUpd.plist”, etc and move them to the Trash

Step 4: Use Combo Cleaner and scan your Mac

After performing all the steps mentioned before in correct manner, your Mac should be cleaned of the infections. However, you must ensure this by running a scan to the power-station with Combo cleaner anti-virus.

After the download, double click the combocleaner.dmg installer in the opened Window drag and drop the antivirus tool icon on the top of the Application icon. Thereafter, open the Launchpad and press on Combo Cleaner icon. The Combo Cleaner then starts update its virus definition database – you should have to wait till the moment till the process is completed. Next thing you do is to click on the Start Combo Scan button.

The anti-malware tool starts scanning your Mac device for malware infections. After the scanning, if it displays no threats found – you can continue with the removal guide, otherwise you have to perform removal of the found infections.

After removing the files and folders generated by the malware, the next thing you do is to remove the rogue extensions installed on the Internet browsers.

Remove AdStealer Trojan from Internet browsers

Instruction on removing suspicious Safari extensions:

Open Safari from the menu bar, select Safari and click preferences

In the preferences window, select extensions and search for recently installed suspicious extensions. If any such extensions located, click on uninstall button next to them.

Generally, users can simply remove all these extensions. However, if you have any problems with the browser redirects and the unwanted advertisements, we recommend you “Reset the Safari”. The reset feature is capable of fixing various issues related to the browser hijackers and adware. Also, the resetting the browser does not mean that the essential information such as bookmarks and open tabs will also be deleted. By using the steps, you will reset the extensions, themes, search engines, security settings, plug-ins settings, toolbar customization, user styles and other settings. Here are the step by step instructions on performing the steps:

Open the Safari main menu and Choose Preferences from the drop down menu

Go to the Extension tab, and turn off the extension slider to disable all the installed extensions in the Safari browser.

Next step is to check the homepage. Go to the preferences option and choose General tab. Change the homepage option to the default one

If the search engine also got changed, you can set default or other web searcher according to your choice. For this, go to the preferences window and select the “Search” tab and select the search engine provider that you want to

Next thing you need to do is to clear the browser Cache. For this, go to the preferences window and select the “Advanced” tab and click on the show develop menu in the menu bar

Then, Select Empty Caches from the Develop menu

Thereafter, remove the website data and the browsing history. Go to Safari menu and select Clear History and Website Data. Choose all history and then click on Clear History.

Guides on removing malicious plug-ins from Mozilla Firefox:

Open the Mozilla Firefox, Click on the Menu at the right top corner of the screen. From the opened menu, choose Add-ons

Choose the Extension tab for the recently added suspicious add-ons, if located -click the Remove button next to them. You can safely uninstall all the extensions, however, if you find any trouble, we recommend you Reset the Mozilla Firefox.

  • Open the Mozilla Firefox and click on the Firefox button (at the top left corner of the main window)

  • In this menu, look for Help sub-menu and select Troubleshooting information

  • In this information page, click on the Reset Firefox button

  • On the opened Windows, you can reset the settings to the default by clicking on the Reset Firefox button

  • Mozilla Firefox restart and the settings will be set to the default

Steps to remove malicious extensions from Chrome browsers:

Open the Chrome browser and click on the Chrome menu. In the drop down menu, choose More Tools and then Extensions:

In the Extension Window, look for recently added malicious add-ons and move it to the Trash and any such extensions are located. Note that, you can safely install all the extensions from the Google Chrome browser. However, if you have any problems with the browser redirects and the advertisements –Reset the Google Chrome. Follow these steps in order to reset the browser, disable the extensions and set the default search engine, homepage and startup tabs.

  • Open Google Chrome and click on the bars icon at the top right corner of the page

  • In the settings page, scroll down to it to find Show Advanced settings

  • Search the Reset browser settings option and click on it

  • Click on the Reset button on the opened page

  • Restart the Google Chrome to changes to take effect

Mac users can download and check if the free scanner can help cleaning AdStealer Trojan from their infected system

Protect your Mac from Malware

Mac OS has many features that help you protect the device and the personal information from malicious software or malware. One common way malware is distributed is by embedding it with some regular app. You can reduce this risk using software only from reliable sources. The Security and Privacy settings allow you to specify the sources of the software installed on the device. In addition to this, other types of malware may not be safe. These could be web archives and Java archives. Of course, not all files like this are unsafe, but you should be cautious when opening any such downloaded file. An alert appears when you first try to open them which are an indication of something suspicious. Keeping some antivirus tool installed on the device is also help in achieving system security.