Trojan.Grandoreiro.L
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 4 |
| First Seen: | January 2, 2026 |
| Last Seen: | April 8, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Grandoreiro.L on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it is essential to understand its nature and take steps to remove it to prevent further damage.
Table of Contents
What Is Trojan.Grandoreiro.L?
Trojan.Grandoreiro.L is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. Trojans are known for their ability to deceive users into installing them, often by masquerading as useful applications or hiding within other software. Once installed, Trojans can perform a wide range of malicious activities, from stealing sensitive information to providing unauthorized access to the infected computer.
How Trojan.Grandoreiro.L Operates
The exact operational details of Trojan.Grandoreiro.L can vary, but like other Trojans, it likely operates by exploiting vulnerabilities in software or manipulating user behavior to gain unauthorized access to the system. After gaining access, the malware can communicate with its command and control servers to receive instructions, which might include downloading additional malware, stealing personal data, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming.
Symptoms of Infection
Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms may indicate the presence of malware like Trojan.Grandoreiro.L. These include unexpected changes in system performance, such as slower operation, frequent crashes, or unusual network activity. Additionally, you might notice new, unfamiliar programs or toolbars in your browser, or find that your browser's homepage has been changed without your consent. In some cases, the malware might trigger pop-ups or display fake alerts to deceive you into installing more malicious software or revealing sensitive information.
How to Remove Trojan.Grandoreiro.L
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to perform the removal process. To do this, restart your computer, and as it boots up, press the F8 key repeatedly until you see the Advanced Boot Options menu. Select Safe Mode with Networking and press Enter.
- Perform a Full Scan with a Reputable Tool: Use an anti-malware tool, such as SpyHunter, that is capable of detecting and removing Trojans. Ensure the tool is updated with the latest definitions before running the scan. This will help identify and remove the malware and any related components.
- Uninstall Suspicious Programs: Go through the list of installed programs on your computer and uninstall any that you do not recognize or that were installed around the time the symptoms appeared.
- Reset Your Browser Settings: Malware often targets browsers, so resetting them to their default settings can help remove malicious extensions or settings. For Chrome, Firefox, and Edge, you can find the reset option in their respective settings or preferences menus.
- Reboot and Re-scan: After completing the above steps, restart your computer in normal mode and perform another scan with your anti-malware tool to ensure that all traces of the malware have been removed.
Conclusion
Removing Trojan.Grandoreiro.L from your system requires a combination of technical knowledge and the right tools. By following the steps outlined above and maintaining vigilance in your online activities, you can significantly reduce the risk of future infections. Remember, prevention is key, so always be cautious when downloading software, avoid suspicious links or emails, and keep your operating system and applications updated with the latest security patches.
Analysis Report
General information
| Family Name: | Trojan.Grandoreiro.L |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
9dde93c917f42af6696c0465e8ef4c72
SHA1:
ffec24e9fce0d6d3baf9338d70fea9f8edd4fec2
SHA256:
B1CC2683561A46DE3159CB4C98C7B1F606639AC0B1F6E6E82713FBAFA9E274CD
File Size:
562.69 KB, 562688 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have resources
- File doesn't have security information
- File has exports table
- File has TLS 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 Traits
- dll
- HighEntropy
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 2,409 |
|---|---|
| Potentially Malicious Blocks: | 519 |
| Whitelisted Blocks: | 1,890 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| Anti Debug |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\ffec24e9fce0d6d3baf9338d70fea9f8edd4fec2_0000562688.,LiQMAxHB
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