Trojan.MSIL.Filecoder
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: | 10,481 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 104 |
| First Seen: | May 27, 2021 |
| Last Seen: | July 23, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Filecoder indicates that a potentially malicious program has been identified on your system. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including data theft, unauthorized access, and disruption of system operations. It is essential to address this issue promptly to prevent potential harm to your computer and data.
Table of Contents
What Is Trojan.MSIL.Filecoder?
Trojan.MSIL.Filecoder, as detected, suggests a type of malware that may be designed to encrypt or manipulate files on the affected system. The term "MSIL" refers to Microsoft Intermediate Language, which is a part of the .NET Framework used for compiling and executing programs. This implies that the malware might be written in a .NET language and could be targeting systems that support this framework. Understanding the nature of the threat is crucial for taking appropriate measures to remove it and protect the system.
How Trojan.MSIL.Filecoder Operates
Malware like Trojan.MSIL.Filecoder typically operates by exploiting vulnerabilities in the system or by deceiving users into installing it. Once installed, it can perform a variety of malicious actions, including but not limited to, encrypting files, stealing sensitive information, or providing unauthorized access to the system. The specific operations of Trojan.MSIL.Filecoder can vary, but the common goal among such threats is to compromise the security and integrity of the affected computer.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Filecoder infection can include unexpected changes to files, slow system performance, appearance of ransom demands, or other unusual system behaviors. Users might notice that their files have been encrypted or that they are unable to access certain data. In some cases, the presence of the malware might not be immediately apparent, making regular system monitoring and antivirus scans crucial for early detection.
How to Remove Trojan.MSIL.Filecoder
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all instances of the malware.
- Uninstall any recently installed programs that you do not recognize or that seem suspicious, as they might be related to the malware.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the malware might have altered.
- Reboot your computer and perform another full scan to ensure that the malware has been completely removed and that no remnants remain.
Conclusion
Removing Trojan.MSIL.Filecoder requires careful and systematic steps to ensure that the malware is completely eradicated from the system. It is also important to take preventive measures, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when opening email attachments or downloading software from the internet. By understanding the threat and taking the necessary removal and prevention steps, you can protect your computer and data from potential harm and maintain a secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Filecoder |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
0eaf330b4b5fdee24a0f21726f591dd4
SHA1:
db7381c31febeb3def06a1dfd0c0f51e395caea1
SHA256:
1156F1290ED905C512906E79F7BCA1BABE26FDB795848CAB5C8312DC5604BF22
File Size:
376.83 KB, 376832 bytes
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MD5:
7ae4b83de8129f3562bde552b92f04d8
SHA1:
f1b359622b9aebe3ec92055379147c8ecfca8252
SHA256:
76A3A0D61316530B179A96F013FA7092A06AEC48E55E03C41C78C0C5CFDF58EB
File Size:
151.04 KB, 151040 bytes
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MD5:
2ab05a3812318a485d9c402e03e2ea8a
SHA1:
af14576250545809f4a62c893e1d2ec2867a7b02
SHA256:
BAFD2A7665EC79567C89FE9BE1D9886AEF7AFE023265B4B9C2C9D795841B3E0C
File Size:
248.83 KB, 248832 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 security information
- File is .NET application
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- 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)
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 |
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| Comments | ARSetup |
| Company Name | Arrow Inc |
| 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
- Agile.net
- Fody
- HighEntropy
- Installer Version
- ntdll
- RijndaelManaged
- Run
- 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: | 123 |
|---|---|
| Potentially Malicious Blocks: | 17 |
| Whitelisted Blocks: | 79 |
| Unknown Blocks: | 27 |
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.- Gamehack.ADO
- MSIL.Agent.FFH
- MSIL.Injector.FM
- MSIL.Krypt.MBTB
- MSIL.Krypt.MBTC
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- MSIL.Krypt.XCI
- MSIL.Krypt.XCYB
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 |
|---|---|
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
| c:\users\user\appdata\local\drpbx\drpbx.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\roaming\frfx\firefox.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\roaming\id | Generic Write,Read Attributes |
| c:\users\user\downloads\log.txt | Generic Write,Read Attributes |
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 |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\run::firefox.exe | C:\Users\Upnjfiuy\AppData\Roaming\Frfx\firefox.exe | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | fn h �"a �� �v �� T������� �5��Bx "Wc#�&� (�(X�)�`*9*�"+�[/��1`1�1HO 1�D9ߔ@V� A��D�H[uN$N� R20U_*_�z`�2b"hc�w e�vg �j�bk`k�ql(�lR o �o�wp*tǤw�mw�ny�9 {b�{�=~D�Jq�P� �jI | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | gn i �"a �� �v �� T������� �5��Bx "Wc#�&� (�(X�)�`*9*�"+�[/��1`1�1HO 1�D9ߔ@V� A��D�H[uN$N� R20U_*_�z`�2b"hc�w e�vg �j�bk`k�ql(�lR o �o�wp*tǤw�mw�ny�9 {b�{�=~D�Jq�P� �jI | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | 鴰 ȁ ਪˣ 鈯ˣ 遙̃ 豤̃ অˣ 炑̃ 濖̃ 賬̃ 獖} ˣ 邯̃ 뫯ʃf ꙥi N ꙥs ꙥ} ꙥ ꙥ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | hn l �"a �� �v �� T������� �5��Bx "Wc#�&� (�(X�)�`*9*�"+�[/��1`1�1HO 1�D9ߔ@V� A��D�H[uN$N� R20U_*_�z`�2b"hc�w e�vg �j�bk`k�ql(�lR o �o�wp*tǤw�mw�ny�9 {b�{�=~D�Jq�P� �jI | 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 |
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| Other Suspicious |
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| Anti Debug |
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| Encryption Used |
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| Syscall Use |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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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.
(NULL) C:\Users\Upnjfiuy\AppData\Local\Drpbx\drpbx.exe c:\users\user\downloads\af14576250545809f4a62c893e1d2ec2867a7b02_0000248832
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