Threat Database Trojans Trojan.MSIL.Agent.LOC

Trojan.MSIL.Agent.LOC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 5
First Seen: March 21, 2025
Last Seen: January 17, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.LOC on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operation, symptoms, and most importantly, steps to remove it from your system. It's crucial to approach this situation with caution and follow the recommended removal procedures to ensure your system's security and integrity.

What Is Trojan.MSIL.Agent.LOC?

Trojan.MSIL.Agent.LOC is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to your system, leading to a variety of harmful activities such as data theft, installation of additional malware, and disruption of system operation. The name suggests it's written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate form used by the.NET Framework. This characteristic allows the malware to potentially operate on any system that supports the.NET Framework, making it versatile and dangerous.

How Trojan.MSIL.Agent.LOC Operates

While specific details about Trojan.MSIL.Agent.LOC's operation are not available, Trojans generally operate by deceiving users into installing them, often by disguising themselves as legitimate software. Once installed, they can create backdoors for remote access, allowing attackers to control the infected system. This can lead to the theft of sensitive information, installation of additional malware, or use of the system for malicious activities such as spamming or launching attacks on other systems. Trojans can also modify system settings, disable security software, and disrupt system performance.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely depending on the specific goals of the malware. Common indicators include unusual system behavior, such as unexpected restarts, slow performance, or frequent crashes. You might also notice unfamiliar programs or icons, changes in system settings, or increased network activity without an apparent cause. Sometimes, infections can be asymptomatic, making regular system checks and antivirus scans crucial for early detection.

How to Remove Trojan.MSIL.Agent.LOC

  1. Enter Safe Mode with Networking: This will limit the malware's ability to operate and provide a safer environment for removal. To do this, restart your computer and immediately start tapping the F8 key. Select Safe Mode with Networking from the Advanced Boot Options menu.
  2. Perform a Full Scan with a Reputable Tool: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
  3. Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you don't recognize or that were installed around the time of the infection.
  4. Reset Your Browser: If your browser was affected, reset it to its default settings. This can be done in Chrome, Firefox, and Edge through their respective settings menus. Look for options like "Reset settings" or "Refresh Firefox."
  5. Reboot and Re-scan: After completing the above steps, reboot your system in normal mode and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Agent.LOC requires careful and systematic steps to ensure your system's security and integrity. By understanding the nature of the threat and following the recommended removal procedures, you can protect your system from potential harm. It's also important to maintain vigilance and implement preventive measures, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading software from the internet. Regular system checks and backups can also help in early detection and recovery from malware infections.

Analysis Report

General information

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

Known Samples

MD5: 448adadffe21cbb702e05101d0257b50
SHA1: e9c59e103df1401b9ee509e61b0cf35b18859b76
SHA256: 1694C9CB1B8CED120BDC1B7E4BF58E607C967880CF4E359C88ECA7D7A60E4EA0
File Size: 15.36 KB, 15360 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 3.0.0.0
Company Name setfps
File Description BummerFix
File Version 3.0.0.0
Internal Name BummerFix.exe
Legal Copyright Copyright © 2024
Original Filename BummerFix.exe
Product Name BummerFix
Product Version 3.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 18
Potentially Malicious Blocks: 15
Whitelisted Blocks: 3
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Agent.LOC

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
Show More
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserObjectInformation

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