Trojan.MSIL.Mardom.AJ
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: | 24,329 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 30 |
| First Seen: | May 25, 2024 |
| Last Seen: | July 23, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Mardom.AJ on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating mechanisms, symptoms of infection, and step-by-step guidance on how to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Mardom.AJ?
Trojan.MSIL.Mardom.AJ is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users into installing it on their systems. Trojans can lead to a variety of malicious activities, including data theft, unauthorized access to the infected computer, and the distribution of additional malware. The name itself does not specify a known malware family, but its classification as a Trojan indicates its potential to cause significant harm.
How Trojan.MSIL.Mardom.AJ Operates
Trojan.MSIL.Mardom.AJ, like other Trojans, operates by disguising itself as legitimate software or attaching itself to genuine programs. Once installed, it can execute a range of malicious actions, depending on its design and the intentions of its creators. This can include spying on the user, stealing sensitive information, disrupting system operation, or using the infected computer as a hub to spread malware to other devices. The specific operations of Trojan.MSIL.Mardom.AJ can vary, but its primary goal is to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common indicators include unusual system behavior, such as unexpected pop-ups, slow performance, frequent crashes, or the presence of unfamiliar programs. Additionally, if your antivirus software is disabled without your knowledge or if you notice unauthorized changes to your system settings, these could be signs of a Trojan infection. Since Trojans are designed to be stealthy, some infections may not exhibit noticeable symptoms until significant damage has been done.
How to Remove Trojan.MSIL.Mardom.AJ
- Boot into Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer, and as it boots up, press the key that opens the boot menu (this key varies by manufacturer but is often F12, F2, or Del). Select the option to boot into Safe Mode with Networking.
- Perform a Full Scan with a Reputable Tool: Use an anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you do not recognize or that were installed around the time you believe the infection occurred.
- Reset Your Web Browsers: Resetting web browsers like Chrome, Firefox, and Edge can help remove any malicious extensions or settings that the Trojan may have installed. You can usually find the reset option in the browser's settings or preferences menu.
- Reboot and Re-scan: After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.
Conclusion
The removal of Trojan.MSIL.Mardom.AJ requires careful and methodical steps to ensure that all components of the malware are eliminated from your system. By following the guidance provided, you can significantly reduce the risk posed by this threat. However, prevention is the best defense against malware infections. Keeping your operating system, software, and security tools up to date, being cautious with email attachments and downloads, and regularly scanning your system for malware are essential practices for maintaining computer security.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Mardom.AJ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
be6f01df976ac1659fa865bd8ca90c9a
SHA1:
9587a920f247d92448afc0f06485398b2e96fc9b
File Size:
754.18 KB, 754176 bytes
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MD5:
6a8160ad2d9eb6db10295d3eb86ca3aa
SHA1:
a842ba451f9a5b6b0114b35a17521826f9a06a94
File Size:
753.66 KB, 753664 bytes
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MD5:
e96ae68022ff5a54f0401023f5d1b464
SHA1:
54daab0385e69655da7a8be45e970a6737278146
SHA256:
BBC6CB417E0B3CB47117DBA21E14C2AB2ED7B4EB92DA24E91DE37C7170223E02
File Size:
785.92 KB, 785920 bytes
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MD5:
4e32e632a49b993aea176bec39460b50
SHA1:
1438c2f00eec86c34f79677f82ab6a4ae7fc7d98
SHA256:
911E41AD6E9AF02E292E0C45D4F0D386AB27B836932FC46B270283D9B4F88AAE
File Size:
552.96 KB, 552960 bytes
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MD5:
84e00cc1e36aded9d3eaef013ae33347
SHA1:
379cb6f9f7bb11b9e22f2195baae3da6078b2856
SHA256:
BDEDD5E2037041B72F6FBC71BA2C21C1C174F9D372CF06B0D50ACBDB31655B58
File Size:
785.92 KB, 785920 bytes
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MD5:
c98ff350a8ccb8968b35b4aa26731e1c
SHA1:
346f1d54b50cff11def7a5d8dfc41b4513808a1f
SHA256:
01818BFED897C9EC9FD46C9D5FD5828E3BA118BD2DDE0B7212CFA2A95DC75282
File Size:
514.05 KB, 514048 bytes
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MD5:
47998b95c09291485f80084c41bbd150
SHA1:
2bf9fd359ab88dcccd188d3cc4648f439aab1288
SHA256:
73D0442449378FB3FE52EAC71543DDC6A447615330ACE16949C629B2C3F751A5
File Size:
747.01 KB, 747008 bytes
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MD5:
cbe64a43859a1e02c4f606706e8c191b
SHA1:
fc0a77df015b7875e3c1bb129e4fe2593c33bded
SHA256:
B02EDC3297D612BFFCEA11A77A282D73518F26AF9993B6DF27E38A3F0C29AF69
File Size:
571.39 KB, 571392 bytes
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MD5:
2ff326f8b8c7ec908e715cb4702a0cd9
SHA1:
68e378db9bc819eaaf84325e215b9695d4806fd9
SHA256:
B3FD8B4399A0BF1396FC4D2592AF2E30987DC1B192E56C6902B7ABFC947D556E
File Size:
602.62 KB, 602624 bytes
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MD5:
6a015195b895562575d9be056eed76fe
SHA1:
de393de5fb5f9d97bac307c398b567c99d40b516
SHA256:
9BFDD7B2A4E00F477B8C9FFE86F9EAEA62BD7F2B4FC65DD26047E877C6521236
File Size:
603.14 KB, 603136 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 exports table
- File doesn't have relocations information
- File doesn't have security information
- File is .NET application
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- 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)
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 |
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| Assembly Version |
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| Comments | Host Data Services |
| Company Name | Microsoft Corporation |
| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- .NET
- GenKrypt
- HighEntropy
- Reactor
- RijndaelManaged
- x64
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: | 752 |
|---|---|
| Potentially Malicious Blocks: | 41 |
| Whitelisted Blocks: | 386 |
| Unknown Blocks: | 325 |
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.- MSIL.Agent.OAAH
- MSIL.Agent.XWB
- MSIL.AgentTesla.LS
- MSIL.AgentTesla.PH
- MSIL.Krypt.GEFY
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- MSIL.Kryptik.SA
- MSIL.Mardom.AJ
- MSIL.Mardom.JF
- MSIL.Mardom.LM
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:\users\user\appdata\local\temp\60nx15ju.bat | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nnq9n9ru.bat | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\qhpk2f3h.bat | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\hostdata\gxmm\diagsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\roaming\hostdata\gxmm\sdrsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\roaming\hostdata\gxmm\sysdata.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\roaming\hostdata\gxmm\sysdata.vbs | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\hostdata\install.dat | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\hostdata\oeig\diagsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\roaming\hostdata\oeig\sdrsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
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| c:\users\user\appdata\roaming\hostdata\oeig\sysdata.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\roaming\hostdata\oeig\sysdata.vbs | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\hostdata\uasqn\diagsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\roaming\hostdata\uasqn\sdrsvc.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\roaming\hostdata\uasqn\sysdata.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\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 䮴镰ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 긣镰ǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\tracing\rasapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\microsoft\tracing\rasmancs::enablefiletracing | RegNtPreCreateKey |
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| HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | Ӈ僧웇ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 쥲僫웇ǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | Jk r �B �� �v�� 7� �� ��� T�B� �����%Bx �<�!$�� %�&� '�!(�(X�(�) ;*J*9*�",=� 1�1HO 5,]5�G>�� @V� @�*A��BFFy� G�IH[uH�pM�lN$N� P@jR�� X� _�zc�w e0Te�h h�rj�bk�qq(q�XrnJ r� | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | घᬄṂǝ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 〧ᬋṂǝ | 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 |
|---|---|
| Syscall Use |
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18 additional items are not displayed above. |
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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| Other Suspicious |
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| Process Shell Execute |
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| Process Manipulation Evasion |
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| Network Winsock2 |
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| Network Winsock |
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| Network Winhttp |
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| Network Info Queried |
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| Process Terminate |
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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.
"schtasks.exe" /Create /TN "HostDataConfig" /TR "\"C:\Users\Vivykpgk\AppData\Roaming\HostData\uasqn\sysdata.exe\"" /SC ONLOGON /DELAY 0002:00 /RL HIGHEST /F
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"C:\Users\Vivykpgk\AppData\Roaming\HostData\uasqn\sysdata.exe"
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"C:\Users\Vivykpgk\AppData\Local\Temp\nnq9n9ru.bat"
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C:\WINDOWS\system32\timeout.exe timeout /t 3 /nobreak
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WriteConsole: The batch file c
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"schtasks.exe" /Create /TN "HostDataPlugin" /TR "\"wscript.exe\" //nologo \"C:\Users\Qdpgkcca\AppData\Roaming\HostData\oeig\sysdata.vbs\"" /SC MINUTE /MO 10 /RL HIGHEST /F
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"C:\Users\Qdpgkcca\AppData\Roaming\HostData\oeig\sysdata.exe"
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"C:\Users\Qdpgkcca\AppData\Local\Temp\qhpk2f3h.bat"
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"schtasks.exe" /Create /TN "HostDataAgent" /TR "\"wscript.exe\" //nologo \"C:\Users\Tpvficgv\AppData\Roaming\HostData\gxmm\sysdata.vbs\"" /SC MINUTE /MO 10 /RL HIGHEST /F
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"C:\Users\Tpvficgv\AppData\Roaming\HostData\gxmm\sysdata.exe"
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"C:\Users\Tpvficgv\AppData\Local\Temp\60nx15ju.bat"
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