Threat Database Trojans Trojan.MSIL.Downloader.Agent.AFNC

Trojan.MSIL.Downloader.Agent.AFNC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 10
First Seen: July 28, 2023
Last Seen: November 28, 2024
OS(es) Affected: Windows

The detection of Trojan.MSIL.Downloader.Agent.AFNC on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software designed to download and install additional malware on infected computers, which can lead to a variety of problems, including data theft, system crashes, and unauthorized access to sensitive information.

What Is Trojan.MSIL.Downloader.Agent.AFNC?

Trojan.MSIL.Downloader.Agent.AFNC is identified as a Trojan-type threat, which is a broad category of malware that disguises itself as legitimate software to gain unauthorized access to a computer system. The name itself does not specify a known malware family but indicates it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the .NET Common Intermediate Language (CIL). This suggests the malware can run on any platform that supports .NET, making it potentially versatile and dangerous.

How Trojan.MSIL.Downloader.Agent.AFNC Operates

Malware like Trojan.MSIL.Downloader.Agent.AFNC typically operates by infiltrating a system through various means, such as exploiting vulnerabilities in software, phishing attacks, or by being bundled with other malicious or legitimate software. Once inside, it can download additional malware components, which can include keyloggers, ransomware, or other types of Trojans. This ability to download and install more malware makes it particularly dangerous, as it can lead to a wide range of malicious activities without the user's knowledge or consent.

Symptoms of Infection

Symptoms of an infection can vary widely depending on the specific malware downloaded by Trojan.MSIL.Downloader.Agent.AFNC. Common signs include unusual system behavior, such as slowdowns, frequent crashes, or the appearance of unwanted programs and toolbars in your web browser. You might also notice increased network activity, even when you're not using the internet, or find files and programs on your computer that you did not install. In some cases, the infection might not display any noticeable symptoms, making it difficult to detect without proper scanning tools.

How to Remove Trojan.MSIL.Downloader.Agent.AFNC

  1. Start your computer in Safe Mode with Networking to prevent the malware from loading and to give you a clean environment to work in.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware. Ensure your anti-malware software is updated with the latest definitions before scanning.
  3. Uninstall suspicious programs that you don't recognize or that were installed around the time you suspect the infection occurred. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure all malware has been removed.

Conclusion

The removal of Trojan.MSIL.Downloader.Agent.AFNC requires careful and thorough action to ensure all components of the malware are eliminated from your system. It's crucial to stay vigilant and regularly scan your computer for malware to prevent future infections. Maintaining up-to-date operating systems, browsers, and other software, along with using strong, unique passwords and being cautious with emails and downloads, are key steps in protecting your digital security. If you're unsure about any part of the removal process, consider seeking help from a professional to ensure your system is completely clean and secure.

Analysis Report

General information

Family Name: Trojan.MSIL.Downloader.Agent.AFNC
Signature status: Root Not Trusted

Known Samples

MD5: fc2a5ecae9164dd637c71863dbefb1cd
SHA1: 4636923a7e8f07c0ba7601f5a550c9ad04d827f1
SHA256: 02A4B91D12ABA9886E5DB4EF0B67D9491B06625B94A14A0BE2994FF204BA65A1
File Size: 48.97 KB, 48968 bytes

Windows Portable Executable Attributes

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

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
Company Name Amazon.com
File Description LENOVO INC
File Version 1.0.0.0
Internal Name LENOVO INC.exe
Legal Copyright Copyright © Amazon.com 2026
Original Filename LENOVO INC.exe
Product Name LENOVO INC
Product Version 1.0.0.0

Digital Signatures

Signer Root Status
Shi Hu Certum Trusted Network CA Root Not Trusted

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 81
Potentially Malicious Blocks: 1
Whitelisted Blocks: 53
Unknown Blocks: 27

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

Files Modified

File Attributes
c:\users\user\appdata\local\microsoft\lenovoupdate\update\lenovo_20260607_606f6667@2026 Synchronize,Write Attributes

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • NtQuerySystemInformation
Other Suspicious
  • AdjustTokenPrivileges
Network Info Queried
  • GetNetworkParams

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