Threat Database Trojans Trojan.Luder

Trojan.Luder

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1,474
First Seen: May 15, 2013
Last Seen: January 18, 2026
OS(es) Affected: Windows

The detection of Trojan.Luder indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to deceive users by disguising itself as legitimate software, allowing it to bypass security measures and gain unauthorized access to sensitive information. It is essential to understand the nature of this threat and take immediate action to remove it from your system to prevent further damage.

What Is Trojan.Luder?

Trojan.Luder is a type of malware that can cause significant harm to your computer system. The term "Trojan" refers to a broad category of malicious programs that use deception to gain access to a system. These threats can be used for various purposes, including stealing personal data, disrupting system operation, or providing unauthorized access to hackers. Understanding that Trojan.Luder is part of this category helps in grasping the severity of the issue and the need for a thorough removal process.

How Trojan.Luder Operates

Trojan.Luder, like other Trojans, operates by exploiting vulnerabilities in system security or by tricking users into installing it voluntarily. Once installed, it can perform a variety of malicious actions, depending on its design. This can include data theft, installation of additional malware, or modification of system settings to weaken security. The specific operations of Trojan.Luder can vary, but its primary goal is to compromise system integrity for malicious purposes.

Symptoms of Infection

Identifying the symptoms of a Trojan.Luder infection can be challenging, as it is designed to operate stealthily. However, common indicators of a malware infection include unexpected system crashes, slow performance, unfamiliar programs or icons, and unexpected changes in system settings. Additionally, if you notice unusual network activity or receive alerts from your security software, it could be a sign that your system is infected. Recognizing these symptoms early can help in mitigating the damage caused by Trojan.Luder.

How to Remove Trojan.Luder

  1. Boot your system into Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Conduct a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of Trojan.Luder and related malware.
  3. Manually uninstall any suspicious programs that you do not recognize or that were installed around the time of the infection.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Following these steps carefully can help in effectively removing Trojan.Luder from your system. However, prevention is also key; maintaining up-to-date security software, being cautious with email attachments and downloads, and regularly backing up important data can help protect against future infections.

Conclusion

The removal of Trojan.Luder requires immediate attention to prevent further damage to your system and potential data theft. By understanding the nature of this threat and following a systematic approach to its removal, you can restore your system's security and integrity. Remember, vigilance and proactive security measures are crucial in protecting against malware infections. Regularly update your security software, practice safe computing habits, and stay informed about potential threats to safeguard your digital environment.

File System Details

Trojan.Luder may create the following file(s):
# File Name MD5 Detections
1. Desktop.exe 5d03855c2d38572b6bee9f85193d012d 5
More files

Registry Details

Trojan.Luder may create the following registry entry or registry entries:
Regexp file mask
%TEMP%\PCIDForComm.dat
%WINDIR%\Temp\tttbrozzz.bat
%WINDIR%\TEMP\tttdelzzz.bat

Analysis Report

General information

Family Name: Trojan.Luder
Signature status: No Signature

Known Samples

MD5: 68722f3cf5ff4fc88b898432f3cce8f1
SHA1: a5ac37508d8c00c83f5a4c52649723570101eb73
SHA256: EFE8C7B210FB07ABBD6C56988089786D9D3307554D9F96E5DFA7A4F56BE70777
File Size: 7.38 MB, 7375114 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
Show More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

File Traits

  • big overlay
  • No Version Info
  • x86

Block Information

Total Blocks: 180
Potentially Malicious Blocks: 1
Whitelisted Blocks: 179
Unknown Blocks: 0

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes

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