Trojan.MSIL.Spammer.MA
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) |
| First Seen: | November 9, 2023 |
| Last Seen: | October 22, 2026 |
| OS(es) Affected: | Windows |
Trojan.MSIL.Spammer.MA is a Windows-based Trojan written in the .NET framework (MSIL) that is classified as a high-risk threat, with a danger rating of 8 out of 10. It is designed to infiltrate systems quietly, operate in the background, and carry out malicious instructions without the knowledge or consent of the computer's owner. Its presence on a system should be treated as a serious security incident.
Table of Contents
What Trojan.MSIL.Spammer.MA Does
Once active on a machine, Trojan.MSIL.Spammer.MA runs silently in the background while performing harmful operations behind the scenes. Trojans in this family are typically built to give remote attackers a high level of control over an infected computer. This can include the ability to covertly delete files, install additional malicious programs, modify system settings, and manipulate processes running on the machine. The sample examined uses techniques such as writing to the memory of other processes and encryption routines, which are commonly used by malware to hide its activity, evade detection, and make analysis more difficult. It also checks for the presence of debugging tools, a tactic often used to avoid being studied by security researchers or to delay detection. As its name suggests, this family of Trojans is also associated with spam-related activity, meaning an infected machine could potentially be used to help distribute unwanted or malicious messages without the user's awareness.
How It Usually Gets Onto Computers
Trojan.MSIL.Spammer.MA typically spreads through deceptive or exploitative methods rather than by tricking users into deliberately installing it as legitimate software. Common infection paths for this type of threat include exploiting unpatched system vulnerabilities and security flaws, software downloaded from malicious or compromised websites, and email attachments sent from untrusted or spoofed sources. These attachments can be disguised with misleading file extensions, appearing as executables, video files, or even image files, in order to trick a user into opening them. Because the malicious file in this case is not digitally signed and carries no verified publisher information, it may look unremarkable at first glance, which can make it easier for it to slip past a careless check.
Risks for the User
The presence of this Trojan on a system can lead to serious consequences. Attackers may gain extensive control over the infected computer, potentially allowing them to steal sensitive data, install further malware, disrupt normal system operation, or use the machine as part of a larger network for malicious purposes, such as sending spam. Users may also experience degraded system performance, unexpected crashes, or unauthorized changes to files and settings.
Signs of Infection
Because Trojans like this one are built to run stealthily, obvious warning signs are not always present. However, users may notice unusual system slowdowns, unexpected network activity, unfamiliar processes running in the background, security tools being disabled or malfunctioning, or unexplained changes to files and settings.
How to Stay Protected
To reduce the risk of infection, users should keep their operating system and all installed software fully updated to close known security vulnerabilities. Avoid downloading programs from unofficial or suspicious websites, and never open email attachments from unknown or unverified senders, especially executable files disguised as other file types. Maintaining regular backups of important data and using reputable, up-to-date security software can further help detect and remove threats like Trojan.MSIL.Spammer.MA before they cause lasting harm.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Spammer.MA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
642cf9701752df1cceaff976f0607ca7
SHA1:
e69be9af27faf0ee78f049b4a3ce1633eac8adb2
SHA256:
471C0DF5CEB961E16E53A5874064EA6DCF7E18E5E7F4AEDBDEB88602E9996AD1
File Size:
2.85 MB, 2848768 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 is .NET application
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
Show 1 more
- 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 |
|---|---|
| Assembly Version | 1.1.0.2 |
| Comments | AutoPK |
| Company Name | https://Autokid.com |
| File Description | AutoPK |
| File Version | 1.0.0.0 |
| Internal Name | KeoXePK.exe |
| Legal Copyright | https://Autokid.com |
| Original Filename | KeoXePK.exe |
| Product Name | https://Autokid.com |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- ntdll
- RijndaelManaged
- 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: | 3,045 |
|---|---|
| Potentially Malicious Blocks: | 1,439 |
| Whitelisted Blocks: | 213 |
| Unknown Blocks: | 1,393 |
Visual Map
... Data truncated? - Unknown Block
x - Potentially Malicious Block
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\software\wow6432node\microsoft\.netframework\v4.0.30319::schusestrongcrypto | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\.netframework\v4.0.30319::schusestrongcrypto | RegNtPreCreateKey | |
| HKLM\system\controlset001\control\securityproviders\schannel\protocols\tls 1.2\client::disabledbydefault | RegNtPreCreateKey | |
| HKLM\system\controlset001\control\securityproviders\schannel\protocols\tls 1.2\client::enabled | RegNtPreCreateKey | |
| HKLM\system\controlset001\control\securityproviders\schannel\protocols\tls 1.2\server::disabledbydefault | RegNtPreCreateKey | |
| HKLM\system\controlset001\control\securityproviders\schannel\protocols\tls 1.2\server::enabled | 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 |
|
| Anti Debug |
|
| Encryption Used |
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