What Is Taidoor Trojan
Taidoor Trojan is one of the advanced malware which has been used in several dangerous attack campaigns over the years. Different hacking groups have created their own versions of it. It can not only overtake control of the computers, but also hijack user data and commit dangerous actions on the hosts.
Taidoor Trojan Summary
| Name | Taidoor Trojan |
| Type | Trojan/Keylogger |
| Short Description | Aims to steal data from your computer and run different malware actions. |
| Symptoms | Your computer may behave strangely and new files may be dropped in several Windows Directories. |
| Distribution Method | Common infection methods including phishing messages and malware-infected files. |
| Detection Tool |
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Taidoor Trojan – Virus Infection Methods
The discovery of the Taidoor Trojan was done by three federal agencies of the USA who published a joint alert giving public notice about the threat. According to their data it is believed that this malware has been used by Chinese hackers during recent large-scale networks. The joint alert has been published by the Department of Homeland Security, the Department of Defense’s Cyber Command and the FBI. We remind our readers that this is not the first time when the they have worked together on bringing information to the public. Previously they were responsible for alerting the public about dangerous threats.
According to the released information the government agencies note that the Chinese hackers who are behind this Trojan are using an elaborate network of computer networks in order to launch the targeted attacks. Malware proxy servers have been identified to push the virus to te target host computers.
Due to the vast arsenal of possibilities and techniques through which the malware code can be pushed to the victims we anticipate that these tactics will be the main ones:
- Direct Brute Force Attempts — The malware can be programmed using automated hacking tools to perform these network intrusion attacks. Generally the main target will be firewalls, gateways and web services that separate the internal networks from the Internet. The hacking tools will try and login to the system by trialing passwords from a ready-made “dictionary list” or by using algorithms to try and guess the credentials.
- Network Exploits — The malware can trigger software vulnerability exploits and use the weaknesses in order to infect the hosts. This is often done when appliances are not properly updated and secured with proper configuration options.
- Auxillary Virus Infections — Other Trojans, viruses and payload carriers can be used to deploy the Taidoor Trojan.
What we know is that the hackers have used the Taidoor Trojan for many years now. A signature scan comparison has shown that the malware has been used in targeted attacks since 2008. WE anticipate that in the future other techniques and methods for spreading it might be used.
Taidoor Trojan – Virus Capabilities
The Taidoor Trojan is categorized as a remote access Trojan with notable advanced capabilities in terms of its functionality. The infection starts by first running the initial loader, a 32-bit application which will download the required files in an obfuscated and encrypted form and unpack them on the host computer.
The virus will start its processes by impersonating a legitimate Windows process. It can also use various system APis in order to interact with the host system.
The main goal of the Taidoor Trojan is to establish a secure connection to a hacker-controlled server — this is used by the criminals to take over control of the host computers and steal files both user and system user files. Other functionality which can be implemented include any of the following modules:
- Data Theft and Host Identification — By using the Trojan connection the hackers can hijack user owned data and system files. During this process the criminals can also program the main engine to create an unique Identifier based on the hardware system information and operatng system variables.
- Other Virus Installation — The Trojan can be used as an intermediate mechanism in order to deploy other viruses to the host computer. This includes file encrypting ransomware — they will process user files according to a built-in list of target file type extensions. The victims will then be blackmailed to pay a ransom decryption fee.
- System Reconfiguration — The virus engine can also commit various changes to the core operating system. This can include the boot options and the Windows Registry. This will make the virus automatically start when the computer is powered on and may also disable access to the recovery boot options. The Registry values which have been changed will lead to severe performance issues and data loss. Many advanced Trojans are also programmed to delete sensitive files such as backups.
Taidoor Trojan – Virus Removal GUIDE
In order to fully remove this infection from your computer system, recommendations are to try the automatic removal guidelines below. They are particularly created in order to assist you separate this malware first of all and after that remove it’s destructive files. If you lack the experience in malware removal, the best method and most reliable one according to safety professionals is to use an innovative anti-malware software program. Such will not just immediately get rid of the Taidoor infection from your computer system, yet will certainly additionally ensure that your computer system remains shielded versus future infections.
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 Taidoor 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 Taidoor Trojan with SpyHunter Anti-Malware Tool
Step 2: Clean any registries, created by Taidoor 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 Taidoor 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 Taidoor 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.
Taidoor Trojan FAQ
What Does Taidoor Trojan Trojan Do?
The Taidoor 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 Taidoor 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 Taidoor 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 Taidoor 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 Taidoor Trojan Research
The content we publish on SensorsTechForum.com, this Taidoor 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 Taidoor 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 Taidoor Trojan threat is backed with VirusTotal.
To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.