Trojan.Injector.AK
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: | 18,275 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 26 |
| First Seen: | May 25, 2021 |
| Last Seen: | July 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.AK on your system indicates a potential security threat that requires immediate attention. This type of threat is categorized as a Trojan, which is a broad term for malicious software that disguises itself as legitimate. Trojans can cause significant harm to your computer and compromise your personal data. 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.AK?
Trojan.Injector.AK is a type of malware that can inject malicious code into other programs or system processes. This allows it to hide its presence, making it challenging to detect and remove. The name "Trojan.Injector.AK" suggests that it is a Trojan-type threat with injector capabilities, but without more specific information, it's difficult to determine its exact nature or intentions. What is clear, however, is that it poses a risk to your system's security and your personal data.
How Trojan.Injector.AK Operates
Malware like Trojan.Injector.AK typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can perform a variety of malicious actions, including stealing personal data, installing additional malware, or providing unauthorized access to your system. The specifics of how Trojan.Injector.AK operates can vary, but its primary goal is to compromise your system's security for the benefit of its creators.
Symptoms of Infection
Identifying a Trojan infection can be challenging due to its stealthy nature. However, there are several symptoms that might indicate your system is infected. These include unexpected changes to your system settings, unfamiliar programs or icons, slow system performance, frequent crashes, or pop-ups and other unwanted advertisements. If you notice any of these symptoms, it's crucial to investigate further and consider scanning your system for malware.
How to Remove Trojan.Injector.AK
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to access the internet, which is necessary for downloading or updating malware removal tools.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the malware.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only uninstall programs you are certain are not necessary for your system's operation.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This can help remove any malicious extensions or settings that the malware may have installed.
- After completing the above steps, reboot your system and perform another scan to ensure the malware has been completely removed. This step is crucial as some malware can only be fully removed after a system restart.
Conclusion
Removing Trojan.Injector.AK requires careful and systematic steps to ensure your system is thoroughly cleaned and protected against future infections. It's also important to practice good cybersecurity habits, such as regularly updating your software, using strong and unique passwords, and being cautious when clicking on links or installing new programs. By taking these precautions and staying informed, you can significantly reduce the risk of malware infections and keep your personal data safe.
Analysis Report
General information
| Family Name: | Trojan.Injector.AK |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
831f39d80b505e9426947a5f6ceeae82
SHA1:
73c65bd963ff4748a84756ccc2dc12595a2be499
SHA256:
3CB7D1849918290A17FCFFFD904CA832A9656DE053EAB88AE5817B211556373E
File Size:
4.13 MB, 4129616 bytes
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MD5:
8d66b5306e21a25724feaeb437107dbd
SHA1:
bd2857dc207ff9c17e97ef5b16599024e06a9455
SHA256:
121C1C8FA7898C0BA0767F6F4B8FCE35510097B9CDB861D38D579AE63128C61B
File Size:
1.62 MB, 1621952 bytes
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MD5:
e373d14a71502c284d839de567bd5fac
SHA1:
fab0802c3978f096223ff3b29188c3617e3cfa62
SHA256:
6902FB93AC6A7C6A7F1F4E6DDE2ED968D452488D61935C5700D09919A37508C8
File Size:
1.03 MB, 1026712 bytes
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MD5:
ad183da19c56cbfea97555abb6c2b1b1
SHA1:
d46ff48daeedfebf9dd33b339a358e194e0d9fcf
SHA256:
135F302BF50A9579824205C9AEE1A832E886BB0A0189EAECFBC75CED73A884E3
File Size:
1.46 MB, 1455536 bytes
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MD5:
108849450dd8410bf6217c9a7af82ab3
SHA1:
952ffa71595f56f58d0a392e0e86c6bf8c2a8aad
SHA256:
BE5A5E44DDCC8EB6D94FDB484246A4D3A6B41568BEC7EB825AC633B9A27DCD44
File Size:
465.68 KB, 465680 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have relocations 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 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.
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 |
|---|---|
| Comments | Weiqi Updater |
| Company Name |
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| Company Short Name | UCWeb Inc. |
| File Description |
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| File Version |
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| Internal Name |
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| Last Change | 60e03d5abd381c718d56842246c8e2b685afc391 |
| Legal Copyright |
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| Official Build |
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| Original Filename |
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| Product Name |
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| Product Short Name | UC浏览器 |
| Product Version |
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| Special Build | 200909101648 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| Adobe Inc. | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 | Hash Mismatch |
| Microsoft Corporation | Microsoft Root Authority | Hash Mismatch |
| SuZhou Snail Digital Technology Co., Ltd | thawte Primary Root CA | Hash Mismatch |
File Traits
- CAB SFX
- Default Version Info
- HighEntropy
- Installer Manifest
- Installer Version
- ntdll
- 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: | 1,552 |
|---|---|
| Potentially Malicious Blocks: | 2 |
| Whitelisted Blocks: | 1,543 |
| Unknown Blocks: | 7 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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:\$shtdwn$.req | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete |
| c:\eula.1049.txt | Generic Write,Read Attributes |
| c:\globdata.ini | Generic Write,Read Attributes |
| c:\install.exe | Generic Write,Read Attributes |
| c:\install.ini | Generic Write,Read Attributes |
| c:\install.res.1049.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\chromium_installer.log | Read Attributes,Synchronize,Append data |
| c:\users\user\appdata\local\temp\dd_vcredistui0e8a.txt | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\downloads\fixbrowser.log | Generic Write,Read Attributes |
| c:\vc_red.cab | Generic Write,Read Attributes |
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| c:\vc_red.msi | Generic Write,Read Attributes |
| c:\vcredist.bmp | Generic Write,Read Attributes |
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 |
|---|---|
| Process Manipulation Evasion |
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| Process Shell Execute |
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| User Data Access |
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| Other Suspicious |
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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.
\.\install.exe
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