Backdoor.MSIL.Agent.SKV
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: | 60 % (Medium) |
| Infected Computers: | 5 |
| First Seen: | June 22, 2025 |
| Last Seen: | August 17, 2025 |
| OS(es) Affected: | Windows |
The detection of Backdoor.MSIL.Agent.SKV on your system indicates a potential security threat that requires immediate attention. This backdoor threat can compromise your system's security and allow unauthorized access to your 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 Backdoor.MSIL.Agent.SKV?
Backdoor.MSIL.Agent.SKV is a type of malware that allows attackers to remotely access and control an infected system. The term "backdoor" refers to the malware's ability to bypass normal security mechanisms and create a secret entry point into the system. This can enable attackers to steal sensitive information, install additional malware, or use the infected system for malicious activities.
How Backdoor.MSIL.Agent.SKV Operates
Backdoor.MSIL.Agent.SKV operates by exploiting vulnerabilities in the system or using social engineering tactics to trick users into installing the malware. Once installed, the malware can communicate with its command and control server to receive instructions and transmit stolen data. It can also hide its presence by disguising itself as a legitimate program or process, making it challenging to detect and remove.
Symptoms of Infection
Systems infected with Backdoor.MSIL.Agent.SKV may exhibit various symptoms, including unusual network activity, slow system performance, and unexplained changes to system settings. Users may also notice unfamiliar programs or processes running on their system, or receive unexpected pop-ups or alerts. However, some infections may not display any noticeable symptoms, making it essential to use anti-malware tools to detect and remove the threat.
- Unusual network activity or connections
- Slow system performance or crashes
- Unexplained changes to system settings or files
- Unfamiliar programs or processes running on the system
- Unexpected pop-ups or alerts
How to Remove Backdoor.MSIL.Agent.SKV
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect and remove the malware.
- Uninstall any suspicious programs or applications that may be related to the malware.
- 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 another scan with your anti-malware tool to ensure that the threat has been completely removed.
Conclusion
Removing Backdoor.MSIL.Agent.SKV requires a combination of technical expertise and caution. By following the steps outlined above and using reputable anti-malware tools, you can help ensure the removal of this threat and prevent future infections. It is essential to remain vigilant and take proactive measures to protect your system and data from malware threats. Regularly updating your operating system, software, and security tools can help prevent infections, and using strong passwords and enabling two-factor authentication can add an extra layer of security to your online activities.
Analysis Report
General information
| Family Name: | Backdoor.MSIL.Agent.SKV |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ce22f536e8f05bc418be27e1bcb4abd5
SHA1:
2b45c6c65632a207f8b8c2fe9e45ed8d5d009287
File Size:
15.36 KB, 15360 bytes
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MD5:
d52a04c8b27779a6cf72144ce5d98c33
SHA1:
a5167ab3657dfa2c9a0788f3fa2ba098efa40f2d
File Size:
20.48 KB, 20480 bytes
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MD5:
912fcbf5d71d2fe02d1e826049efdf54
SHA1:
7d2a0ba277ce537d9dc2a53c72b418a24edee1de
File Size:
14.85 KB, 14848 bytes
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MD5:
3e003714323bcad874f7e9961ef49212
SHA1:
d0ef993bbb6537a093947e9c78938edf2d6d9d0b
SHA256:
822BDB13CC5F01814D8EA04BD77365C082E967651BBD3E049475270EF33A81EF
File Size:
20.99 KB, 20992 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 | 1.0.0.0 |
| Comments |
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| Company Name |
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| File Description |
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| File Version | 1.0.0.0 |
| Internal Name |
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| Legal Copyright | Copyright © 2025 |
| Original Filename |
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| Product Name |
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| Product Version | 1.0.0.0 |
File Traits
- .NET
- 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: | 61 |
|---|---|
| Potentially Malicious Blocks: | 18 |
| Whitelisted Blocks: | 37 |
| Unknown Blocks: | 6 |
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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