Trojan.Injector.SD
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: | 801 |
| First Seen: | July 15, 2021 |
| Last Seen: | September 25, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.SD on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate and compromise your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan.Injector.SD?
Trojan.Injector.SD is a type of Trojan horse malware that can infect your computer through various means, such as exploited vulnerabilities, phishing attacks, or drive-by downloads. Once installed, it can create a backdoor on your system, allowing remote attackers to access and control your computer. This type of malware can be particularly dangerous, as it can lead to identity theft, financial loss, and compromised personal data.
How Trojan.Injector.SD Operates
Trojan.Injector.SD operates by injecting malicious code into legitimate system processes, allowing it to remain hidden and evade detection. It can also create fake system files and registry entries, making it difficult to identify and remove. The malware can communicate with its command and control servers to receive updates, transmit stolen data, and receive instructions from the attackers. This type of malware can also spread to other computers through infected files, emails, or network connections.
Symptoms of Infection
Symptoms of a Trojan.Injector.SD infection can vary, but common signs include slow system performance, unexpected crashes, and unusual network activity. You may also notice unfamiliar programs or icons on your desktop, or receive suspicious emails or pop-ups. In some cases, the malware can also disable security software or prevent you from accessing certain system features. If you suspect that your computer is infected, it is crucial to take immediate action to prevent further damage.
How to Remove Trojan.Injector.SD
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or registry entries.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed without your knowledge.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your computer and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Injector.SD requires a combination of technical knowledge and caution. It is essential to take a thorough and step-by-step approach to ensure that the malware is completely eliminated from your system. By following the steps outlined above and using reputable security software, you can help protect your computer and personal data from this type of threat. Remember to always be vigilant when browsing the internet, opening emails, and installing software, as these are common ways that malware can infect your system. By staying informed and taking proactive measures, you can reduce the risk of infection and keep your computer and data safe.
Analysis Report
General information
| Family Name: | Trojan.Injector.SD |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
f1073cc85e89ec5d06a56060fd9d40ce
SHA1:
405f3ddac5feb175fce789642c9e88ac35c59c72
SHA256:
D59004A5CB033608752E39EE46374D8F22A9A532DD0A0ECCCDA1BCF4E751643F
File Size:
788.48 KB, 788480 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 security information
- 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 Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
File Traits
- No Version Info
- 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: | 2,969 |
|---|---|
| Potentially Malicious Blocks: | 2 |
| Whitelisted Blocks: | 2,967 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Banker.THA
- Injector.DFF
- Injector.FGSA
- Injector.FHBB
- Injector.GSD
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- Injector.KDF
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\programdata\egrxxlfaufohzshsem.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\system\controlset001\control\session manager::pendingfilerenameoperations | \??\c:\users\user\downloads\405f3ddac5feb175fce789642c9e88ac35c59c72_0000788480 | RegNtPreCreateKey |
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 |
|---|---|
| User Data Access |
|
| Process Shell Execute |
|
| Syscall Use |
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67 additional items are not displayed above. |
| Anti Debug |
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| Encryption Used |
|
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.
(NULL) egthye5y55
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C:\WINDOWS\system32\timeout.exe timeout /t 10
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C:\WINDOWS\system32\timeout.exe timeout /t 60
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WriteConsole:
Waiting for 60
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WriteConsole: seconds, press
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WriteConsole:
Waiting for 10
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WriteConsole: seconds, press
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WriteConsole: 08083539
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WriteConsole: 08082039
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