Trojan.MSIL.Perseus.I
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: | 68 |
| First Seen: | September 8, 2021 |
| Last Seen: | January 5, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Perseus.I on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with an understanding of the nature of this threat, its operational methods, symptoms of infection, and most importantly, steps to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Perseus.I?
Trojan.MSIL.Perseus.I is identified as a Trojan-type threat, which is a broad category of malware designed to allow unauthorized access to a computer system. Trojans can be used for a variety of malicious purposes, including data theft, espionage, and the distribution of additional malware. The name Trojan.MSIL.Perseus.I itself does not directly indicate a specific malware family but suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the .NET Framework.
How Trojan.MSIL.Perseus.I Operates
Trojan.MSIL.Perseus.I, like other Trojans, operates by disguising itself as a legitimate program or file to deceive users into installing it on their systems. Once installed, it can open a backdoor for remote access, allowing attackers to execute commands, steal sensitive information, or install additional malware. The specifics of how Trojan.MSIL.Perseus.I operates can vary, but its primary goal is to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Perseus.I infection can be subtle and may include unusual system behavior, such as unexpected pop-ups, slow system performance, or programs launching without user input. In some cases, there may be no noticeable symptoms at all, making regular system scans crucial for detection. If you suspect your system is infected, it's essential to take immediate action to mitigate potential damage.
How to Remove Trojan.MSIL.Perseus.I
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in.
- Conduct a Full Scan with a Reputable Tool: Use a trusted anti-malware tool, such as SpyHunter, to scan your system for the Trojan.MSIL.Perseus.I and other potential threats. Ensure your antivirus and anti-malware software is updated before scanning.
- Uninstall Suspicious Programs: Review your installed programs and remove any that you do not recognize or that were installed around the time of the suspected infection.
- Reset Your Browsers: Resetting browsers like Chrome, Firefox, and Edge can help remove any malicious extensions or settings changes made by the malware.
- Reboot and Re-scan: After removal, reboot your system and run another full scan to ensure that all components of the malware have been successfully removed.
Conclusion
The removal of Trojan.MSIL.Perseus.I requires careful and immediate action to prevent further damage to your system and potential data theft. By understanding the nature of this threat and following the steps outlined above, you can effectively remove the malware and protect your system from similar threats in the future. Regular system scans, keeping your software updated, and practicing safe browsing habits are key to maintaining a secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Perseus.I |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
290d85892398549368c571d132913b7e
SHA1:
75cd702852534e347120dc3a817d0376e86b9b15
SHA256:
9AD9736DFCFFA12A595125DA5A2593784366B65E0C9F2972DBFBC309651C790E
File Size:
1.57 MB, 1574400 bytes
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MD5:
4600485887a90d72a7dbcb8a22169c78
SHA1:
a1d704977001bcbc40c992fe95fcfa9ba68d93cd
SHA256:
5D5B14E12AFBCF84B43197A45C86AE0A759A35ADA9625A19FD043405C15A4448
File Size:
1.57 MB, 1571840 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 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)
- 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 |
|---|---|
| Assembly Version |
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| File Version |
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| Internal Name | Client.exe |
| Original Filename | Client.exe |
| Product Version |
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File Traits
- .NET
- dll
- 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: | 892 |
|---|---|
| Potentially Malicious Blocks: | 283 |
| Whitelisted Blocks: | 232 |
| Unknown Blocks: | 377 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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 |
Show More
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| User Data Access |
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| Other Suspicious |
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| Anti Debug |
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| Encryption Used |
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