Trojan.Injector.LB
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.
| Popularity Rank: | 10,567 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 169 |
| First Seen: | March 26, 2021 |
| Last Seen: | July 1, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.LB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and cause harm, making it essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.Injector.LB, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.Injector.LB?
Trojan.Injector.LB is a type of Trojan malware that can infect your computer without your knowledge or consent. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain access to your system. Once inside, they can cause a range of problems, from stealing sensitive information to disrupting system performance.
How Trojan.Injector.LB Operates
Trojans like Trojan.Injector.LB typically operate by exploiting vulnerabilities in software or tricking users into installing them. They can be spread through various means, including infected email attachments, compromised websites, or infected software downloads. Once installed, the Trojan can connect to a command and control server, allowing remote attackers to control your system and steal sensitive information.
Symptoms of Infection
Identifying a Trojan.Injector.LB infection can be challenging, as Trojans are designed to remain stealthy. However, some common symptoms of infection include slow system performance, unexpected pop-ups or ads, and unfamiliar programs or icons on your desktop. You may also notice that your browser homepage has changed or that you are being redirected to suspicious websites.
- Unexplained changes to your system settings or configuration
- Increased network activity or unusual traffic patterns
- Appearance of suspicious files or folders on your system
How to Remove Trojan.Injector.LB
- Boot your system in Safe Mode with Networking to prevent the Trojan from loading and to allow for a clean scan.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
- Uninstall any suspicious programs or applications that may be related to the Trojan.Injector.LB infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform a follow-up scan to ensure that the infection has been fully removed.
Conclusion
Removing Trojan.Injector.LB from your system requires a combination of technical knowledge and caution. By following the steps outlined in this report, you can help to ensure that your system is clean and free from malware. It is essential to remain vigilant and take proactive measures to protect your system from future infections, including keeping your operating system and software up to date, using strong antivirus protection, and avoiding suspicious downloads or email attachments.
Analysis Report
General information
| Family Name: | Trojan.Injector.LB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
de628f64c2ee232cfd092a7ed9cce22a
SHA1:
a8e41196c978fd7f05da94df82f15f7806032eb6
SHA256:
6E447FEFD0CBBBE1B3A39964F2F3546A3A21C86E46AF8C6C68B8B042317F92F8
File Size:
719.87 KB, 719872 bytes
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MD5:
7c69d5b49b7078f600ae6279bebcfe55
SHA1:
fae1c76851b649fa9694301031da72f2f8fc8ef7
SHA256:
EFADEF638F969305DEBE0EEA4C60C7D61DD3BDF63A0D2C61C2CD35957DB31B7F
File Size:
719.87 KB, 719872 bytes
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MD5:
5a8be9c0018e76aace0a8a91b59d76be
SHA1:
ee4de2d98116f71090e83ef8bba1577e0ce12d95
SHA256:
25C35E0F610A4FF5DAB59E14FEDE988908BF27CAEAD27A9CAE260CB5B5EC295E
File Size:
719.87 KB, 719872 bytes
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MD5:
42b590759d2f24006c680d5b66f2feae
SHA1:
2ad8426540d741336632f499ad9c0c65ba51a3b1
SHA256:
0FCE6CA28F962649284FACB0DCBC4F8615E69C1B28F378C1D53CE50E771ADEE5
File Size:
719.87 KB, 719872 bytes
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MD5:
7c057e19e859d554918bf2e563f789a6
SHA1:
b717e8d627c3212da4fd3aa21ef9c00747156c1a
SHA256:
FB1574C19A98A2B6660BEB758E0EFCBE47D42308F6B340A56173FE2BA7E90CB0
File Size:
719.87 KB, 719872 bytes
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MD5:
2ee555feff23bd2d8db0ffb573a766bd
SHA1:
fc91dea7555488e3667096a2f1a5c08d9501a70b
SHA256:
D3142A40F3DD1D963D197994FC1A86F0E2D908CAC96E7E87ED76218ADB3A79F6
File Size:
719.87 KB, 719872 bytes
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MD5:
0e0d34281a650cc03742f10dbfc4d7c2
SHA1:
3c4124907f095fef48dbb840587aac8c69b7bf04
SHA256:
DC9DA1CAE0AEAADDA0ABF1354DD0322A5B259E1D1EE1697617082B27E45A8D73
File Size:
719.87 KB, 719872 bytes
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MD5:
3404bd4cecc01a8a5080c97f66703462
SHA1:
4bd59b8e276137e7ad1f332b790bfb645e48a5fe
SHA256:
A536BE15AF2CFECD461467DF9E5A4AE51374BFC9DC55ED4FB895B8E25500B5BD
File Size:
719.87 KB, 719872 bytes
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MD5:
7954ce83243651bec47afa1b893c5f12
SHA1:
31aeb87dd0cd2872f1982bafbec6353bb47c46fd
SHA256:
340737842CB9FFAB6B804050BE3304DF7AE83727215ADC3E5E16177915E130CA
File Size:
719.87 KB, 719872 bytes
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MD5:
00fa15bca68cbbf6d0bde5ddf95d9b64
SHA1:
d3cff35f6ff5e19cf44aabc844e3c2353bcdeff8
SHA256:
AE1629BB4120527884E1869210FD2369CBAEB662AA8F7CB7D0F0FAD0C7D9231E
File Size:
719.87 KB, 719872 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has exports table
- 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)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name | 破解补丁 |
| File Description | 破解补丁 |
| File Version | 1.0.0.0 |
| Internal Name | mai.dll |
| Legal Copyright | Copyright (C) 2016 |
| Original Filename | mai.dll |
| Product Name | 破解补丁 |
| Product Version | 1.0.0.0 |
File Traits
- dll
- WriteProcessMemory
- 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: | 1,469 |
|---|---|
| Potentially Malicious Blocks: | 341 |
| Whitelisted Blocks: | 1,127 |
| Unknown Blocks: | 1 |
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.- Injector.LB
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 Shell Execute |
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| Anti Debug |
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| Process Manipulation Evasion |
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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\a8e41196c978fd7f05da94df82f15f7806032eb6_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\fae1c76851b649fa9694301031da72f2f8fc8ef7_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\ee4de2d98116f71090e83ef8bba1577e0ce12d95_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\2ad8426540d741336632f499ad9c0c65ba51a3b1_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\b717e8d627c3212da4fd3aa21ef9c00747156c1a_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\fc91dea7555488e3667096a2f1a5c08d9501a70b_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\3c4124907f095fef48dbb840587aac8c69b7bf04_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\4bd59b8e276137e7ad1f332b790bfb645e48a5fe_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\31aeb87dd0cd2872f1982bafbec6353bb47c46fd_0000719872.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\d3cff35f6ff5e19cf44aabc844e3c2353bcdeff8_0000719872.,LiQMAxHB
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