Backdoor.MSIL.Spy.Agent.GAB
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: | 561 |
| First Seen: | March 31, 2023 |
| Last Seen: | March 29, 2026 |
| OS(es) Affected: | Windows |
The detection of Backdoor.MSIL.Spy.Agent.GAB on your system indicates a potential security threat that requires immediate attention. This backdoor threat is designed to secretly allow unauthorized access to your computer, which can lead to a range of serious consequences, including data theft, malware distribution, and further system compromise. It is essential to understand the nature of this threat and take prompt action to remove it and secure your system.
Table of Contents
What Is Backdoor.MSIL.Spy.Agent.GAB?
Backdoor.MSIL.Spy.Agent.GAB is identified as a backdoor threat, which means it is a type of malware that opens a secret portal or "back door" on your computer, allowing hackers to remotely access and control your system without your knowledge or consent. This can happen through various means, such as exploiting vulnerabilities in software or tricking users into installing malicious programs. The "MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a platform-agnostic intermediate representation of the .NET Common Intermediate Language (CIL).
How Backdoor.MSIL.Spy.Agent.GAB Operates
Once installed on your system, Backdoor.MSIL.Spy.Agent.GAB can operate in stealth mode, making it difficult to detect without proper security tools. It can communicate with its command and control servers to receive instructions, which might include downloading additional malware, stealing sensitive information, or using your computer as a botnet to distribute spam or launch attacks on other systems. The exact operation can vary, but the primary goal is to maintain unauthorized access to your computer for malicious purposes.
Symptoms of Infection
Symptoms of a Backdoor.MSIL.Spy.Agent.GAB infection can be subtle and may not always be immediately apparent. However, you might notice unusual system behavior, such as unexpected changes to your computer settings, unfamiliar programs running in the background, or an increase in suspicious network activity. Your system might also become slower, or you might experience frequent crashes or freezes. Since backdoors are designed to be stealthy, some infections might not exhibit noticeable symptoms at all, making regular system monitoring and security scans crucial.
How to Remove Backdoor.MSIL.Spy.Agent.GAB
- Boot your computer into Safe Mode with Networking to prevent the malware from loading and to give you a cleaner environment to work in.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help detect and remove the backdoor and any associated malware.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
The removal of Backdoor.MSIL.Spy.Agent.GAB requires careful and immediate action to prevent further damage to your system and to protect your personal data. By following the steps outlined above and maintaining good security practices, such as keeping your software up to date, using strong antivirus protection, and being cautious with emails and downloads, you can significantly reduce the risk of future infections. Remember, vigilance and proactive security measures are key to safeguarding your digital environment.
Analysis Report
General information
| Family Name: | Backdoor.MSIL.Spy.Agent.GAB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
67b2d6ea4f0fc26b11cc2acf648f97be
SHA1:
93fae789011b68a7f1465c2012958b28d25b13fd
SHA256:
058EE10051DC65C4C5B59CBECA66B1281BF00353504F2B34E8C7318C6D856720
File Size:
1.50 MB, 1501184 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 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)
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- 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 |
|---|---|
| File Version | 5.15.2.0 |
| Original Filename | libGLESv2.dll |
| Product Name | libGLESv2 |
| Product Version | 5.15.2.0 |
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: | 1,069 |
|---|---|
| Potentially Malicious Blocks: | 238 |
| Whitelisted Blocks: | 830 |
| Unknown Blocks: | 1 |
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.- MSIL.Spy.Agent.GAB
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 |
|---|---|
| c:\program files (x86)\windowspowershell\modules\pester\3.3.5\en-us\cd89ddd3d81b06 | Generic Write,Read Attributes |
| c:\program files (x86)\windowspowershell\modules\pester\3.3.5\en-us\tiworker.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files\windows nt\f3b6ecef712a24 | Generic Write,Read Attributes |
| c:\program files\windows nt\spoolsv.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files\windows nt\tabletextservice\en-us\9e8d7a4ca61bd9 | Generic Write,Read Attributes |
| c:\program files\windows nt\tabletextservice\en-us\runtimebroker.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\recovery\oem\9aa6b00bbc395a | Generic Write,Read Attributes |
| c:\recovery\oem\sandboxtool.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\sandbox_local\088424020bedd6 | Generic Write,Read Attributes |
| c:\sandbox_local\conhost.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
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| c:\sandbox_stage\mnt\9e8d7a4ca61bd9 | Generic Write,Read Attributes |
| c:\sandbox_stage\mnt\runtimebroker.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\windows\system32\drivers\etc\hosts | 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 |
|---|---|---|
| HKLM\software\microsoft\tracing\rasapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\microsoft\tracing\rasmancs::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing | RegNtPreCreateKey |
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| HKLM\software\microsoft\tracing\rasmancs::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKCU\software\68b76ccb9f797241714e26ebf84d7dd1::68b76ccb9f797241714e26ebf84d7dd1 | h�l˟yrAqN&�M}� | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::runtimebroker | "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::runtimebroker | "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe" | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::conhost | "C:\sandbox_local\conhost.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::conhost | "C:\sandbox_local\conhost.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe", "C:\sandbox_local\conhost.exe" | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::spoolsv | "C:\Program Files\windows nt\spoolsv.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::spoolsv | "C:\Program Files\windows nt\spoolsv.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe", "C:\sandbox_local\conhost.exe", "C:\Progra | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::sandboxtool | "C:\Recovery\OEM\SandboxTool.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::sandboxtool | "C:\Recovery\OEM\SandboxTool.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe", "C:\sandbox_local\conhost.exe", "C:\Progra | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::runtimebroker | "C:\sandbox_stage\mnt\RuntimeBroker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::runtimebroker | "C:\sandbox_stage\mnt\RuntimeBroker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe", "C:\sandbox_local\conhost.exe", "C:\Progra | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::tiworker | "C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.3.5\en-US\TiWorker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows\currentversion\run::tiworker | "C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.3.5\en-US\TiWorker.exe" | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\winlogon::shell | explorer.exe, "C:\Program Files\Windows NT\TableTextService\en-US\RuntimeBroker.exe", "C:\sandbox_local\conhost.exe", "C:\Progra | RegNtPreCreateKey |
| HKCU\software\d4358a9d2d3e5c9ec281a1763cbfb0ffa2f70a57::a54080a8d58debdcc17f33c6314d5d090910db29 | WyJjOlxcdXNlcnNcXHVzZXJcXGRvd25sb2Fkc1xcOTNmYWU3ODkwMTFiNjhhN2YxNDY1YzIwMTI5NThiMjhkMjViMTNmZF8wMDAxNTAxMTg0IiwiQzpcXFByb2dyYW0g | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 舥✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 舥✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 䳏舨✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 꿪航✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ᅮ舭✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 玳舯✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 役舻✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 蚥艂✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 艌✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 饉艕✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 갲艨✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 뻫艻✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 㑉芑✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 芡✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 芴✄ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 洄苊✄ǜ | 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 |
|---|---|
| Syscall Use |
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40 additional items are not displayed above. |
| User Data Access |
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| Other Suspicious |
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| Encryption Used |
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| Anti Debug |
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| Network Winsock2 |
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| Network Winsock |
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| Network Winhttp |
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| Network Info Queried |
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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.
"powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$WinREAgent/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/sandbox_live/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/sandbox_local/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/sandbox_stage/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/startup_test/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
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"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
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