Threat Database Trojans Trojan.Ramnit.AB

Trojan.Ramnit.AB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: July 7, 2021
Last Seen: November 16, 2025
OS(es) Affected: Windows

The detection of Trojan.Ramnit.AB on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's essential to approach removal and system cleanup with a general understanding of how such threats operate and the steps needed to mitigate them.

What Is Trojan.Ramnit.AB?

Trojan.Ramnit.AB, as indicated by its name, is likely a variant of Trojan horse malware. Trojans are malicious programs that disguise themselves as legitimate software but actually allow unauthorized access to a computer. They can be used to steal sensitive information, install additional malware, or provide a backdoor for remote access. The specific behaviors and capabilities of Trojan.Ramnit.AB are not detailed here, but understanding the general nature of Trojan malware is crucial for taking appropriate action.

How Trojan.Ramnit.AB Operates

Trojan malware, including variants like Trojan.Ramnit.AB, typically operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading and executing malicious files from the internet, opening malicious email attachments, or exploiting vulnerabilities in software. Once installed, the malware can perform a range of malicious activities, from data theft and keystroke logging to using the infected computer as part of a botnet for distributing spam or launching denial-of-service attacks.

Symptoms of Infection

Identifying a Trojan infection can be challenging because these malware types are designed to remain stealthy. However, some common symptoms may indicate an infection: slow system performance, unexpected pop-ups or advertisements, unfamiliar programs or icons, changed browser settings, or difficulties accessing certain system settings or files. If you've detected Trojan.Ramnit.AB, it's likely your security software has identified suspicious activity or files associated with this threat.

How to Remove Trojan.Ramnit.AB

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download removal tools if necessary, while minimizing system activity.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure your antivirus software is updated with the latest definitions before scanning to increase the chances of detecting and removing the malware.
  3. Uninstall suspicious programs that you don't recognize or that were installed around the time you believe the infection occurred. Be cautious and only remove programs you're sure are malicious or unnecessary.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the malware. You will lose your extensions and some settings, so proceed with caution.
  5. Reboot your system and perform another full scan to ensure the malware has been successfully removed. Repeat the scan a few times if necessary, until no threats are detected.

Conclusion

Removing Trojan.Ramnit.AB requires a methodical approach to ensure your system is thoroughly cleaned and protected against future infections. By following the steps outlined above and maintaining good security practices, such as keeping your software up to date, being cautious with emails and downloads, and regularly scanning your system for malware, you can significantly reduce the risk of infection. Remember, prevention and vigilance are key components of protecting your digital assets and personal information in today's online environment.

Analysis Report

General information

Family Name: Trojan.Ramnit.AB
Signature status: No Signature

Known Samples

MD5: a062308b9d804e3aa99a4e94973b176d
SHA1: 7d6690e19d6ae48cbd09062fac0fe40d40996bc8
SHA256: 2C7E902ED3871F2DDA57DCBD626B65393C31AA5BB57142659A42B5558EA72017
File Size: 729.17 KB, 729173 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 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
File Description JoinServer MFC 응용 프로그램
File Version 0, 23, 0, 0
Internal Name JoinServer
Legal Copyright Copyright (C) 2000
Original Filename JoinServer.EXE
Product Name JoinServer 응용 프로그램
Product Version 0, 23, 0, 0

File Traits

  • x86

Block Information

Total Blocks: 2,912
Potentially Malicious Blocks: 160
Whitelisted Blocks: 2,694
Unknown Blocks: 58

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Network Winsock2
  • WSAStartup

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