Update July 2019! This article has been created in order to explain what exactly is the Updatechecker.exe process and how to remove this adware and miner Trojan completely from your PC.
A new silent Trojan horse which displays advertisements and uses a cryptocurrency miner has been detected by malware analysts. The malware, also known as Updatechecker.exe, because of the process it runs, pretending to be a Windows Update, has been reported to use the CPU and GPU resources on the infected PCs by it in order to obtain cryptocurrencies. In addition to this, the Updatechecker.exe also has modules, whose primary purpose is to display advertisements on the computer of the victim, that may introduce other risks on it as well. If you see the Updatechecker.exe or Taskhostw.exe processes running in the background of your computer, recommendations are to read the following article and learn how to remove Updatechecker.exe from your computer.
|Type||Miner Trojan and Adware|
|Short Description||Aims to run two processes, one of which displays advertisements and the other one mines for cryptocurrencies, like BitCoin or Monero.|
|Symptoms||Your computer may slow down, freeze at times and multiple different advertisements are also displayed.|
|Distribution Method||Spam Emails, Email Attachments, Executable files, Fake setups|
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|User Experience||Join Our Forum to Discuss Updatechecker.exe Miner.|
Updatechecker.exe Miner – How Did I Get It
The primary method via which your computer could have become infected with the Updatechecker Adware Miner is believed to be a fake setup or a program which you may have downloaded from the web, believing is legitimate. Such malware usually pretends to be:
- Setup of a driver.
- Installer of a free program or a game.
- Patch for game.
- Crack or other license activator.
- Key generator for activation.
In addition to via fake setups of programs, there is also the likelihood that you may have clicked on a malicious web link that may have been sent to you via e-mail or via chat service, like Messenger, Viber, etc.
Updatechecker Miner Trojan – Malicious Activity
Once this malware has been installed on your computer system, it drops the following files on it:
What is actually Update Checker (Updatechecker.exe)? The Updatechecker.exe is the main malicious file, which is also responsible for the advertisements displayed by the virus. After the file is ran, it launches the other process, called Taskhostw.exe, whose purpose is to connect your computer to a mining pool. Such mining pools are the primary places where computers join their efforts to mine for cryptocurrency tokens, like BitCoins or Monero. This procedure results in various different side effects, such as your computer slowing down significantly, due to over usage of your central processing unit (CPU) or graphics processor (GPU). The malware also keeps an active connection to a pool but credits all of the mined cryptocurrency tokens to the wallet of the cyber-criminals who have created it at the expense of using your PC’s resources.
Both of the files Taskhostw.exe and Updatechecker.exe aim to imitate legitimate Windows processes and both of them are dropped in the following directory:
In addition to mining for cryptocurrencies, this Trojan may perform a series of malicious activities on your PC, like:
- Log your keystrokes.
- Take screenshots from it.
- Make sure that you cannot access some administrative directories.
- Steal files directly from your PC.
- Obtain passwords and logins from your web browser.
Furthermore, since it is also adware, the Trojan may display series of advertisements on your computer system, which can lead you to various suspicious sites, like tech support scams, financial scamming ones and even malicious websites, that may infect your computer with malware. The advertisements displayed may come in different forms, such as:
- Banners replaced on the legitimate sites you have visited.
- Pop-ups that may appear with animations and sounds.
- Highlighted text pop-ups, hijacking legitimate web pages.
- Browser redirections.
Bitcoin miners and adware are not a new thing, even though the miners are a developing trend. However, this is the first time, where we actually have the chance to see adware in combination with a Trojan horse, containing a cryptocurrency miner – quite impressive and likely done by an experienced programmer. Removal of this malware is highly advisable because it can damage the components on your computer and steal important information from it. In addition to this, we also advise you to change all of your passwords from a safe device.
Remove Updatechecker.exe Miner Adware Trojan from Your PC
In order to remove Updatechecker.exe malware, we recommend that you follow the removal instructions underneath this article. They are divided into manual and automatic removal manuals and if manual removal is not something you are used to doing, experts advise downloading and installing advanced anti-malware software to automatically scan your computer and remove Updatechecker.exe Miner and adware. Such software will also ensure that your computer is protected against infections in the future as well.
- Guide 1: How to Remove Updatechecker.exe Miner from Windows.
- Guide 2: Get rid of Updatechecker.exe Miner on Mac OS X.
- Guide 3: Remove Updatechecker.exe Miner in Google Chrome.
- Guide 4: Erase Updatechecker.exe Miner from Mozilla Firefox.
- Guide 5: Uninstall Updatechecker.exe Miner from Microsoft Edge.
- Guide 6: Remove Updatechecker.exe Miner from Safari.
- Guide 7: Eliminate Updatechecker.exe Miner from Internet Explorer.
- Guide 8: Disable Updatechecker.exe Miner Push Notifications in Your Browsers.
About the Updatechecker.exe Miner Research
The content we publish on SensorsTechForum.com, this Updatechecker.exe Miner how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific, adware-related problem, and restore your browser and computer system.
How did we conduct the research on Updatechecker.exe Miner?
Please note that our research is based on independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware, adware, and browser hijacker definitions.
Furthermore, the research behind the Updatechecker.exe Miner threat is backed with VirusTotal https://www.virustotal.com/gui/home/upload.
To better understand this online threat, please refer to the following articles which provide knowledgeable details.
1.Browser Redirect – What Is It?
2.Adware Is Malicious, and It Uses Advanced Techniques to Infect
3.The Thin Red Line Between Potentially Unwanted Programs and Malware
4.The Pay-Per-Install Affiliate Business – Making Millions out of Adware
5.Malicious Firefox Extensions Installed by 455,000 Users Blocked Updates
How to Remove Updatechecker.exe Miner from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Updatechecker.exe Miner
Step 2: Uninstall Updatechecker.exe Miner and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it.
Step 3: Clean any registries, created by Updatechecker.exe Miner on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by Updatechecker.exe Miner there. This can happen by following the steps underneath:
1. Open the Run Window again, type "regedit" and click OK.
2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
3. You can remove the value of the virus by right-clicking on it and removing it.
Step 4: Scan for Updatechecker.exe Miner with SpyHunter Anti-Malware Tool
1. Click on the "Download" button to proceed to SpyHunter's download page.
2. After you have installed SpyHunter, wait for it to update automatically.
3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.
4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.
Video Removal Guide for Updatechecker.exe Miner (Windows).
Get rid of Updatechecker.exe Miner from Mac OS X.
Step 1: Uninstall Updatechecker.exe Miner and remove related files and objects
1.Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
2. Find Activity Monitor and double-click it:
3.In the Activity Monitor look for any suspicious processes, belonging or related to Updatechecker.exe Miner:
4.Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.
5.In the Applications menu, look for any suspicious app or an app with a name, similar or identical to Updatechecker.exe Miner. If you find it, right-click on the app and select “Move to Trash”.
6: Select Accounts, after which click on the Login Items preference.
Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to Updatechecker.exe Miner. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Updatechecker.exe Miner via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
1: Click on "Go" and Then "Go to Folder" as shown underneath:
2: Type in "/Library/LauchAgents/" and click Ok:
3: Delete all of the virus files that have similar or the same name as Updatechecker.exe Miner. If you believe there is no such file, do not delete anything.
You can repeat the same procedure with the following other Library directories:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Updatechecker.exe Miner files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Updatechecker.exe Miner, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Video Removal Guide for Updatechecker.exe Miner (Mac)
Remove Updatechecker.exe Miner from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2:Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Erase Updatechecker.exe Miner from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Uninstall Updatechecker.exe Miner from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Remove Updatechecker.exe Miner from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Updatechecker.exe Miner will be removed.
Eliminate Updatechecker.exe Miner from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
Remove Push Notifications caused by Updatechecker.exe Miner from Your Browsers.
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings.
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".
Updatechecker.exe Miner FAQ
What is Updatechecker.exe Miner?
The Updatechecker.exe Miner threat is adware or browser redirect virus. It may slow your computer down siginficantly and display advertisements. The main idea is for your information to likely get stolen or more ads to appear on your device.
The creators of such unwanted apps work with pay-per-click schemes to get your computer to visit risky or different types of websites that may generate them funds. This is why they do not even care what types of websites show up on the ads. This makes their unwanted software indirectly risky for your OS.
What are the symptoms of Updatechecker.exe Miner?
There are several symptoms to look for when this particular threat and also unwanted apps in general are active:
Symptom #1: Your computer may become slow and has poor performance in general.
Symtpom #2: You have toolbars, add-ons or extensions on your web browsers that you don't remember adding.
Symptom #3: You see all types of ads, like ad-supported search results, pop-ups and redirects to randomly appear.
Symptom #4: You see installed apps on your Mac running automatically and you do not remember installing them.
Symptom #5: You see suspicious processes running in your Task Manager.
If you see one or more of those symptoms, then security experts reccomend that you check your computer for viruses.
What types of Unwanted Programs are there?
According to most malware researchers and cyber-security experts, the threats that can currently affect your Mac can be the following types:
- Rogue Antivirus programs.
- Browser hijackers.
- Fake optimizers.
What to do if I have a "virus" like Updatechecker.exe Miner?
Do not panic! You can easily get rid of most adware or unwanted program threats by firstly isolating them and then removing them from your browser and computer. One reccomended way to do that is by using a reputable malware removal software that can take care of the removal automatically for you. There are many anti-malware apps out there that you can choose from. SpyHunter is one of the reccomended anti-malware apps, that can scan your computer for free and detect any viruses, tracking cookies and unwanted adware apps and eliminate them quickly. This saves time when compared to doing the removal manually.
How to secure my passwords and other data from Updatechecker.exe Miner?
With few simple actions. First and foremost, it is imperative that you follow these steps:
Step 1: Find a safe computer and connect it to another network, not the one that your Mac was infected in.
Step 2: Change all of your passwords, starting from your e-mail passwords.
Step 3: Enable two-factor authentication for protection of your important accounts.
Step 4: Call your bank to change your credit card details (secret code, etc.) if you have saved your credit card for online shopping or have done online activiites with your card.
Step 5: Make sure to call your ISP (Internet provider or carrier) and ask them to change your IP address.
Step 6: Change your Wi-Fi password.
Step 7: (Optional): Make sure to scan all of the devices connected to your network for viruses and repeat these steps for them if they are affected.
Step 8: Install anti-malware software with real-time protection on every device you have.
Step 9: Try not to download software from sites you know nothing about and stay away from low-reputation websites in general.
If you follow these reccomendations, your network and all devices will become significantly more secure against any threats or information invasive software and be virus free and protected in the future too.
More tips you can find on our website, where you can also ask any questions and comment underneath the articles about your computer problems. We will try to respond as fast as possible.