Backdoor:Win32/Chaapt.A has been detected as a Trojan horse with backdoor capabilities. This means that it can connect to a Control&Command server and allow cyber criminals perform a range of malicious operations. Furthermore, once it is inside the system, Backdoor:Win32/Chaapt.A will modify the registry to make sure it runs every time the PC is rebooted. The Trojan has been identified by Microsoft and should be removed as soon as possible.
Backdoor:Win32/Chaapt.A Technical Details
Backdoor Trojans can create a real mess on the attacked PCs. First of all, cybercriminals are granted with remote access and can initiate various malicious operations. Backdoor:Win32/Chaapt.A doesn’t make an exception. Once remote access is obtained, any of the following activities can take place:
- Deleting important files.
- Downloading malicious files and running them.
- Modifications of the system’s settings.
- Modifying the Windows Registry.
- Private data theft.
- Including the attacked PC in a botnet and spreading malware to other PCs.
- Employing a keylogger to capture the user’s credentials.
As reported by the Microsoft security team, Backdoor:Win32/Chaapt.A connects to the following remote hosts:
→a.config.skype.com using port 53 and b.config.skype.com using port 53
A remote host is a computer that is located at a further location. It may refer to a server in a private or public network. It can also refer to a user’s computer found in another location that is used for file transfer or remote control operations.
Once connected to a remote host, Backdoor:Win32/Chaapt.A can:
- Find an Internet connection.
- Download other malware pieces.
- Run updates.
- Receive instructions from the attackers.
- Steal and upload information from the PC.
- Validate a certificate.
Backdoor:Win32/Chaapt.A is also reported to create a mutex. A mutex is a program or a program object that permits numerous program threads (components of processes) to share the same resource. Each time a program is started, a mutex with a unique name is created.
The mutex created by Backdoor:Win32/Chaapt.A is identified as ijjijkljkjjjjj. It can be applied as an infection marker to avert other copies of the Trojan running on the same system.
To make sure that the Trojan has entered the system, users can look for the following signs:
→Registry modifications in In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run. Sets value: “NateOn”. With data: “%CurrentFolder%\loaddll.exe”
To rid the system of the malicious threat, users should use a powerful anti-malware program. To stop such infiltrations from happening, some preventive measures can be taken:
- Don’t forget to get the latest software updates.
- Be extra careful when browsing and going through your email messages.
- Look out for social engineering schemes.
- Don’t use random USB flash drives.
- Use different and complex passwords for each account you have.
- Limit user privileges to stop malicious intruders from entering the system.
Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter
- Guide 1: How to Remove Backdoor:Win32/Chaapt.A from Windows.
- Guide 2: Get rid of Backdoor:Win32/Chaapt.A on Mac OS X.
- Guide 3: Remove Backdoor:Win32/Chaapt.A in Google Chrome.
- Guide 4: Erase Backdoor:Win32/Chaapt.A from Mozilla Firefox.
- Guide 5: Uninstall Backdoor:Win32/Chaapt.A from Microsoft Edge.
- Guide 6: Remove Backdoor:Win32/Chaapt.A from Safari.
- Guide 7: Eliminate Backdoor:Win32/Chaapt.A from Internet Explorer.
- Guide 8: Disable Backdoor:Win32/Chaapt.A Push Notifications in Your Browsers.
How to Remove Backdoor:Win32/Chaapt.A from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Backdoor:Win32/Chaapt.A
Step 2: Uninstall Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A there. This can happen by following the steps underneath:
Get rid of Backdoor:Win32/Chaapt.A from Mac OS X.
Step 1: Uninstall Backdoor:Win32/Chaapt.A 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:
- 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 Backdoor:Win32/Chaapt.A 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:
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 Backdoor:Win32/Chaapt.A files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Backdoor:Win32/Chaapt.A, 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.
Remove Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A will be removed.
Eliminate Backdoor:Win32/Chaapt.A 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 Backdoor:Win32/Chaapt.A 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".