Threat Database Trojans Trojan.Macri.A

Trojan.Macri.A

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 13,024
Threat Level: 80 % (High)
Infected Computers: 339
First Seen: January 11, 2019
Last Seen: July 7, 2026
OS(es) Affected: Windows

The detection of Trojan.Macri.A 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 operational mechanisms, symptoms of infection, and most importantly, steps to remove it from your system.

What Is Trojan.Macri.A?

Trojan.Macri.A is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as legitimate software but actually allows unauthorized access to your computer, enabling hackers to steal sensitive information, install additional malware, or disrupt system operations. The name itself does not directly correspond to a widely recognized malware family, suggesting it could be a variant or a newly discovered threat.

How Trojan.Macri.A Operates

Trojan.Macri.A, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading software from untrusted sources, opening malicious email attachments, or clicking on links from suspicious websites. Once installed, it can create backdoors for remote access, allowing attackers to control the infected system. This control can be used for a variety of malicious activities, including data theft, keystroke logging, and the installation of additional malware.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms may include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs and toolbars in your web browser. You might also notice that your antivirus software is disabled or that your system is connecting to the internet without your permission. These signs do not necessarily confirm the presence of Trojan.Macri.A but indicate a potential malware infection that requires investigation.

How to Remove Trojan.Macri.A

  1. Enter Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer and press the key to access your boot menu (this varies by computer manufacturer but is often F8, F12, or Del). Select Safe Mode with Networking to start your computer with minimal drivers and services, allowing you to download and install removal tools if necessary.
  2. Perform a Full Scan with a Reputable Tool: Utilize a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. These tools are designed to detect and remove malware, including Trojans like Trojan.Macri.A. Ensure your chosen tool is updated with the latest definitions before scanning.
  3. Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you do not recognize or that were installed around the time you suspect the infection occurred. Be cautious and ensure you do not remove any critical system components.
  4. Reset Your Web Browsers: Resetting browsers like Chrome, Firefox, and Edge can help remove any malicious extensions or settings changes made by the Trojan. Each browser has a reset option typically found in its settings or preferences menu.
  5. Reboot and Re-scan: After completing the above steps, reboot your computer to ensure all changes take effect and any malware services are stopped. Then, perform another full scan with your anti-malware tool to confirm that Trojan.Macri.A has been successfully removed.

Conclusion

Removing Trojan.Macri.A requires a systematic approach to ensure your system is thoroughly cleaned and protected against future infections. By following the steps outlined above and maintaining vigilance in your online activities, you can significantly reduce the risk of malware infections. Regularly update your operating system, browsers, and security software, and always be cautious when downloading software or clicking on links from unknown sources. If you are unsure about any part of the removal process, consider consulting with a cybersecurity professional for personalized guidance.

Analysis Report

General information

Family Name: Trojan.Macri.A
Signature status: No Signature

Known Samples

MD5: 0703b18589945411475ac724a28a77a6
SHA1: 46ad11ff06a07bc3e3edbf4f9ec04fd638d8e61c
SHA256: 2A4B44B5D3A2354F329E41101FDD3C5EAAB4682DA49ACEC6FB04CF1100141FC3
File Size: 102.40 KB, 102400 bytes
MD5: 0d2d351e20a2b8f67651b12d8a41c5c6
SHA1: b4b1b12341a79b12414a8c11f96a726ef50d9bee
SHA256: 9520E3DD44935082D7FAEAEBF5E29A299A571916EE995722CD1F4A7714C94C2A
File Size: 1.29 MB, 1294336 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 relocations information
  • 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
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  • 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
Comments http://remote.kktong.com
Company Name 恩恩软件
File Description KK远程协助
File Version 6, 0, 2, 9
Internal Name KKHelp
Legal Copyright Copyright (C) 2008
Original Filename KKHelp.EXE
Product Name NNhelp Application
Product Version 6, 0, 2, 9

File Traits

  • HighEntropy
  • No Version Info
  • x86

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