Threat Database Trojans Trojan.MSIL.Agent.FDAC

Trojan.MSIL.Agent.FDAC

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 23,703
Threat Level: 80 % (High)
Infected Computers: 25
First Seen: August 10, 2023
Last Seen: June 3, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.FDAC on your system indicates a potential security threat. This name suggests a Trojan-type threat, which is a broad category of malware designed to deceive users about its true intent. Trojans can be used for a variety of malicious purposes, including data theft, unauthorized access, and the distribution of additional malware. Understanding the nature of this threat and taking appropriate steps to remove it is crucial for protecting your digital security and privacy.

What Is Trojan.MSIL.Agent.FDAC?

Trojan.MSIL.Agent.FDAC, as indicated by its name, is classified as a Trojan. The term "Trojan" originates from the legendary Trojan Horse, symbolizing a malicious entity disguised as something benign. Trojans are known for their ability to infiltrate systems by pretending to be useful or harmless applications. Once inside, they can cause significant damage, depending on their specific design and purpose. The "MSIL" part of the name refers to Microsoft Intermediate Language, which is a part of the .NET Framework. This suggests that the Trojan is written in a .NET language and is designed to operate on Windows systems.

How Trojan.MSIL.Agent.FDAC Operates

Like other Trojans, Trojan.MSIL.Agent.FDAC is likely designed to operate stealthily, aiming to remain undetected on the infected system for as long as possible. It may use various techniques to evade detection, including disguising itself as a legitimate process or application. Once installed, it can perform a range of malicious activities, such as stealing sensitive information (like login credentials or personal data), installing additional malware, or providing unauthorized access to the infected system. The specific operations of Trojan.MSIL.Agent.FDAC can vary, but its ultimate goal is to compromise the security and integrity of the system it infects.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, there are several symptoms that may indicate the presence of Trojan.MSIL.Agent.FDAC or similar malware. These include unexpected system crashes, slow system performance, unfamiliar applications or processes running in the background, and unusual network activity. Additionally, you might notice changes in your system settings or the appearance of unwanted pop-ups and advertisements. If you suspect that your system is infected, it's essential to take immediate action to mitigate potential damage.

How to Remove Trojan.MSIL.Agent.FDAC

Removing Trojan.MSIL.Agent.FDAC requires a systematic approach to ensure that all components of the malware are eliminated. Here are the steps to follow:

  1. Boot your system into Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version for the best detection and removal capabilities.
  3. Uninstall any suspicious programs or applications that you do not recognize or no longer need. Be cautious during this process, as some malware may disguise itself as legitimate software.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the Trojan may have installed.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed. This step is crucial for verifying the effectiveness of the removal process.

Conclusion

The detection and removal of Trojan.MSIL.Agent.FDAC are critical steps in protecting your system and data from malicious activities. By understanding the nature of this threat and following the outlined removal steps, you can significantly reduce the risk of damage and ensure the security of your digital environment. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, can help prevent future infections. Stay vigilant and proactive in maintaining your system's security to safeguard against evolving cyber threats.

Analysis Report

General information

Family Name: Trojan.MSIL.Agent.FDAC
Signature status: No Signature

Known Samples

MD5: ca73ee02c42ffdeb3f1ee8150743cb47
SHA1: a273748b8ab86966bdccba06b4c4e649d9c3c1bb
SHA256: DAA0058CFD31C221826F2FF22D259B387A294FF76D41341934B027CD24A295F3
File Size: 137.22 KB, 137216 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 security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 0.0.0.0
File Version 0.0.0.0
Internal Name NL7boOMedys0039.dll
Original Filename NL7boOMedys0039.dll
Product Version 0.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 11
Potentially Malicious Blocks: 1
Whitelisted Blocks: 0
Unknown Blocks: 10

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
Show More
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\a273748b8ab86966bdccba06b4c4e649d9c3c1bb_0000137216.,LiQMAxHB

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