What is ACbackdoor? How to remove ACbackdoor Trojan from your PC or Mac?
The ACbackdoor Trojan is a dangerous malware threat which is designed mainly for both Microsoft Windows and Linux hosts. It can be acquired from various sources, every attack campaign can focus on one specific tactic. What we know for sure is that the current attack campaigns focus on using distinct infection techniques depending on the target operating system.
This particular threat is known for being spread using a multitude of weaknesses. It is set against both end users and servers. After the infection has been made the ACbackdoor Trojan can download other threats, launch multiple dangerous modules and install a cryptocurrency miner which will run a sequence of performance-demanding tasks.
Threat Summary
| Name | ACbackdoor Trojan |
| Type | Malware, Trojan, Miner |
| Short Description | A dangerous malware which can launch a miner and start a Trojan module. |
| Symptoms | The victims may notice performance issues and can get infected with other malware. |
| Distribution Method | Common distribution tactics and direct web attacks. |
| Detection Tool |
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ACbackdoor Trojan — How Did I Get It
The ACbackdoor Trojan is a malware threat which is effective against both Windows and Linux computers. There is no information available about the hacking group behind it. It is very possible that they are a very experienced collective as distinct distribution campaigns are being made for the two operating system variants. According to the available information the Linux version appears to be more advanced than the Windows one.
The version for the free operating system is distributed on hacker or hacker-controlled web servers, presumably using phishing tactics. The criminals will host these sites on domain names that sound very similar to well-known companies or services. Usually this will include stolen content and self-signed security certificates that will leave a sense of safety and legitimacy in the visitors. Various elements can be fake including boxes, interactive scripts and etc.
The Windows version depends on the Fallout Exploit Kit which relies mostly on bulk sending of email messages. They are designed to appear as being sent by services or companies that the recipients might know. By including the virus ACbackdoor Trojan attached files or links the infection will start.
Apart from these techniques there may be other tactics considered:
- Virus Code Carriers — The hackers can embed the necessary code in both documents an executable files. The documents can be of all popular file formats. On the other hand the executables files are almost always app installers of popular software which is often downloaded by the users.
- Browser Redirects and Extensions — The computer hackers will create dangerous extensions made compatible with the most popular web browsers that once installed will show the malware pages. On the other hand redirect pages will include various scripts that will deliver the virus code.
ACbackdoor Trojan — Capabilities
When the ACbackdoor Trojan is installed and run on the affected device it will start a sequence of dangerous components. The exact number and type of modules depend on the local system conditions or specific hacker instructions. One of the first modules is the information gathering one which is responsible for the collection of valuable system data — details about the hardware parts, preferences and operating system conditions.
Depending on the operating system it will use different mechanisms which will cause boot options changes that will start the virus when the computer is started. This can be done by modifying the initrd scripts found within the init system on Linux and the Windows Registry for Microsoft Windows.
Future versions of this Trojan can include an expanded functionality which can block access to the recovery boot options. This means that the users will not be able to follow some manual user recovery instructions and will need to use a quality anti-spyware solution that will be capable to fully restore the computer.
What’s important about this virus sample is that it will also initiate a security protection module by masking itself as a common Windows service, part of the Windows Defender protective suite on Microsoft’s operating system. This is done by manipulating the system into thinking that the malware files are part of this system. On Linux it will mask itself as an Update Notifier.
As it is a Trojan by classification it can be programmed to conduct common actions that are often launched by this type of malware:
- Surveillance — The main engine will establish a secure and persistent connection to a hacker-controlled server allowing the hackers to access and monitor the user interactions of the victims.
- Code Execution — The ACbackdoor Trojan can be programmed to start certain commands or download and run other malware. Popular examples are cryptocurrency miners and ransomware.
- Automatic Updates — Some of the malware variants can automatically poll the server and update themselves with a newer release.
How to Remove ACbackdoor Trojan
In order to fully remove ACbackdoor from your computer system, we recommend that you follow the removal instructions underneath this article. If the first two manual removal steps do not seem to work and you still see ACbackdoor or programs, related to it, we suggest what most security experts advise – to download and run a scan of your computer with a reputable anti-malware program. Downloading this software will not only save you some time, but will remove all of ACbackdoor files and programs related to it and will protect your computer against such intrusive apps and malware in the future.
Martin Beltov
Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.
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Preparation before removing ACbackdoor Trojan.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
- Scan for Malware
- Fix Registries
- Remove Virus Files
Step 1: Scan for ACbackdoor Trojan with SpyHunter Anti-Malware Tool
Step 2: Clean any registries, created by ACbackdoor Trojan on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by ACbackdoor Trojan there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.Step 3: Find virus files created by ACbackdoor Trojan on your PC.
1.For Windows 8, 8.1 and 10.
For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.
2.For Windows XP, Vista, and 7.
For Older Windows Operating Systems
In older Windows OS's the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
ACbackdoor Trojan FAQ
What Does ACbackdoor Trojan Trojan Do?
The ACbackdoor Trojan Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system. It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.
Can Trojans Steal Passwords?
Yes, Trojans, like ACbackdoor Trojan, can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.
Can ACbackdoor Trojan Trojan Hide Itself?
Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.
Can a Trojan be Removed by Factory Reset?
Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind that there are more sophisticated Trojans that leave backdoors and reinfect even after a factory reset.
Can ACbackdoor Trojan Trojan Infect WiFi?
Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.
Can Trojans Be Deleted?
Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.
Can Trojans Steal Files?
Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.
Which Anti-Malware Can Remove Trojans?
Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.
Can Trojans Infect USB?
Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.
About the ACbackdoor Trojan Research
The content we publish on SensorsTechForum.com, this ACbackdoor Trojan how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.
How did we conduct the research on ACbackdoor Trojan?
Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)
Furthermore, the research behind the ACbackdoor Trojan threat is backed with VirusTotal.
To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.