Threat Database Trojans Trojan.MSIL.Mamut.JB

Trojan.MSIL.Mamut.JB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: December 3, 2023
Last Seen: April 8, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Mamut.JB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the integrity of your computer, potentially leading to unauthorized access, data theft, or other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.MSIL.Mamut.JB?

Trojan.MSIL.Mamut.JB is a type of Trojan horse malware, which is a broad category of threats that disguise themselves as legitimate programs or files to gain unauthorized access to a computer system. The name "Trojan.MSIL.Mamut.JB" suggests that it is a malicious program written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of.NET code. This type of malware can be particularly dangerous, as it can be used to install additional malware, steal sensitive information, or provide unauthorized access to the infected system.

How Trojan.MSIL.Mamut.JB Operates

Once installed on a system, Trojan.MSIL.Mamut.JB can operate in various ways, depending on its intended purpose. It may attempt to connect to a command and control server to receive instructions or transmit stolen data. The malware may also try to exploit vulnerabilities in the system or other installed software to gain elevated privileges or spread to other parts of the network. In some cases, Trojan.MSIL.Mamut.JB may be used as a dropper to install other types of malware, such as ransomware, spyware, or adware.

Symptoms of Infection

Identifying the symptoms of a Trojan.MSIL.Mamut.JB infection can be challenging, as the malware is designed to operate stealthily. However, some common signs of infection may include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups. You may also notice that your system is connecting to unfamiliar websites or that your antivirus software is detecting suspicious activity. Additionally, you may observe that your system's security settings have been altered or that unfamiliar programs are installed.

  • Unexplained changes to system settings or configuration
  • Appearance of unfamiliar programs or icons
  • Increased network activity or unusual connections
  • System crashes or instability
  • Antivirus warnings or detection of suspicious activity

How to Remove Trojan.MSIL.Mamut.JB

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware.
  3. Uninstall any suspicious programs or software that may be related to the infection.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Mamut.JB from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and using reputable anti-malware tools, you can help to ensure the complete removal of the malware and prevent future infections. It is essential to remain vigilant and to regularly update your antivirus software and operating system to protect against emerging threats. Additionally, practicing safe computing habits, such as avoiding suspicious downloads and being cautious when clicking on links, can help to reduce the risk of infection and keep your system secure.

Analysis Report

General information

Family Name: Trojan.MSIL.Mamut.JB
Signature status: No Signature

Known Samples

MD5: 80096753b5ec4df39dceb4e96f2b98a4
SHA1: d992772236e7725ca955cb2b6c47d255643dc238
SHA256: 8E2746371CDA430432A6FAEAE8AD90B7AF7C8465D3DCCF7BA12E457FFF862034
File Size: 434.18 KB, 434176 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 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 Liberty Computer Service
File Description ImageResizer
File Version 1.0.0.0
Internal Name ImageResizer.exe
Legal Copyright Copyright © Liberty Computer Service 2009
Original Filename ImageResizer.exe
Product Name ImageResizer
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 61
Potentially Malicious Blocks: 6
Whitelisted Blocks: 55
Unknown Blocks: 0

Visual Map

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

Windows API Usage

Category API
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent

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