Worm.MSIL.Agent

The detection of Worm.MSIL.Agent on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the issue and guide you through the removal process to ensure your system's security and integrity.

What Is Worm.MSIL.Agent?

Worm.MSIL.Agent is identified as a type of worm, which is a self-replicating malware that can spread from system to system without the need for human interaction. Worms are known for their ability to cause significant damage by consuming system resources, stealing sensitive information, and creating backdoors for remote access. The name suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic, object-oriented programming language used for software development. This characteristic allows the worm to potentially affect systems running on various platforms, making it a versatile and dangerous threat.

How Worm.MSIL.Agent Operates

Worms like Worm.MSIL.Agent typically operate by exploiting vulnerabilities in operating systems or applications to gain unauthorized access to a system. Once inside, they can replicate themselves, spreading to other systems through network connections, email, or infected software downloads. The worm may also download additional malware, creating a complex threat landscape that is challenging to mitigate. Its ability to adapt and evolve, potentially aided by its MSIL nature, makes it a formidable opponent in cybersecurity.

Symptoms of Infection

Symptoms of a Worm.MSIL.Agent infection can vary widely but may include slower system performance, frequent crashes, or unusual network activity. Infected systems may also exhibit signs of unauthorized access or data theft, such as unfamiliar programs or unexpected changes to system settings. In some cases, the presence of the worm might not be immediately apparent, making regular system monitoring and antivirus scans crucial for early detection.

• Unexplained changes in system settings or files
• Appearance of unfamiliar programs or icons
• Increased network activity without user interaction
• System crashes or significant slowdowns

How to Remove Worm.MSIL.Agent

1. Enter Safe Mode with Networking to limit the worm's ability to spread or interfere with the removal process.
2. Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all instances of the worm and any associated malware.
3. Uninstall suspicious programs that were installed without your knowledge or consent, as these could be related to the worm or other malware.
4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the worm.
5. Reboot your system and perform another scan to ensure that all remnants of the worm have been removed.

Conclusion

Removing Worm.MSIL.Agent requires a thorough and multi-step approach to ensure that all components of the malware are eradicated from your system. By following the steps outlined above and maintaining vigilant system monitoring, you can protect your system from this and similar threats. Regular updates of your operating system, applications, and antivirus software, along with cautious internet browsing habits, are key to preventing future infections. Remember, proactive security measures are the best defense against evolving malware threats like Worm.MSIL.Agent.

Analysis Report

General information

Family Name:	Worm.MSIL.Agent
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 35b1d0ff4659405461be8576a22d389c SHA1: 9a3d50fb48a18cfb7a930777f6c729ebab0596c8 SHA256: E041F9D7569BB7F9857DDE7BCEEA34D654758DDD721ED20D4F6F6871B083949D File Size: 1.24 MB, 1244160 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• 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)

File Icons

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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

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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
File Description	WindowsFormsApplication1
File Version	1.0.0.0
Internal Name	WindowsFormsApplication2.exe
Legal Copyright	Copyright © 2014
Original Filename	WindowsFormsApplication2.exe
Product Name	WindowsFormsApplication1
Product Version	1.0.0.0

File Traits

• .NET
• big overlay
• HighEntropy
• x86

Block Information

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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:	16
Potentially Malicious Blocks:	5
Whitelisted Blocks:	6
Unknown Blocks:	5

Visual Map

? ? ? x x x x ? ? 0 0 x 0 0 0 0

0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

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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:\windows\appcompat\programs\amcache.hve	Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve	Write Attributes

Registry Modifications

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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\software\microsoft\tip\aggregateresults::data	鐄ȴ 鲱 螘켜ʚ 꺇뺶 켜ʚ 꺇뺶 켜ʚ 꺇뺶 켜ʚ 릵犱洎ʫ ጉ嵑 㔲픋˹ 耀뫹躧 隞̃ 耀꧌Ѡ­	RegNtPreCreateKey

Windows API Usage

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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	GetUserObjectInformation
Anti Debug	IsDebuggerPresent
Process Manipulation Evasion	NtUnmapViewOfSection ReadProcessMemory
Process Shell Execute	CreateProcess
Encryption Used	BCryptOpenAlgorithmProvider

Shell Command Execution

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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.

C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 884