PUP.MSIL.Gametool.K

The detection of PUP.MSIL.Gametool.K on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. It is essential to understand the nature of this threat and take appropriate steps to remove it to prevent any potential harm.

What Is PUP.MSIL.Gametool.K?

PUP.MSIL.Gametool.K is a type of potentially unwanted program that can be installed on a computer without the user's knowledge or consent. It may be bundled with other software or downloaded from the internet, often through deceptive means. PUPs like PUP.MSIL.Gametool.K can cause a range of problems, including slowing down system performance, displaying unwanted ads, and potentially leading to more severe malware infections.

How PUP.MSIL.Gametool.K Operates

PUPs like PUP.MSIL.Gametool.K often operate by installing themselves on a computer and then running in the background, consuming system resources and potentially gathering user data. They may also modify system settings, such as changing the default search engine or homepage, and may display unwanted ads or pop-ups. In some cases, PUPs can also download and install additional malware or potentially unwanted programs, leading to further system compromise.

Symptoms of Infection

Systems infected with PUP.MSIL.Gametool.K may exhibit a range of symptoms, including slowed system performance, increased pop-up ads, and changes to system settings. Users may also notice that their browser homepage or search engine has been changed, or that they are being redirected to unwanted websites. In some cases, the presence of a PUP may also lead to more severe symptoms, such as system crashes or data loss.

• Slowed system performance
• Increased pop-up ads
• Changes to system settings
• Browser redirects
• System crashes
• Data loss

How to Remove PUP.MSIL.Gametool.K

1. Boot your computer in Safe Mode with Networking to prevent the PUP from running and to allow for a clean removal process.
2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
3. Uninstall any suspicious programs or applications that may be related to the PUP.
4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any changes made by the PUP.
5. Reboot your computer and perform a follow-up scan with your anti-malware tool to ensure that the PUP has been completely removed.

Conclusion

Removing PUP.MSIL.Gametool.K from your system is essential to prevent any potential harm and to restore your computer's performance and security. By following the steps outlined above, you can effectively remove the PUP and prevent any further issues. It is also essential to take steps to prevent future infections, such as being cautious when downloading software, avoiding suspicious links, and keeping your operating system and software up to date. By taking these precautions, you can help protect your computer and your personal data from potentially unwanted programs like PUP.MSIL.Gametool.K.

Analysis Report

General information

Family Name:	PUP.MSIL.Gametool.K
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: 17c7d238c9a632114243bb3cbba267c4 SHA1: d5444f1a71aa25093d4b72540bcea83110ed40b0 SHA256: 7734B05F801F6532FAFFD16774F6FA658D610701E831F5E1FEDFA3B66E05E22E File Size: 595.46 KB, 595456 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	1.0.1.1
Comments	Harbor Online updater
Company Name	Harbor
File Description	Harbor Updater
File Version	1.0.1.1
Internal Name	HarborUpdater_en.exe
Legal Copyright	Copyright © 2025
Original Filename	HarborUpdater_en.exe
Product Name	Harbor Updater
Product Version	1.0.1.1

File Traits

• .NET
• 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:	117
Potentially Malicious Blocks:	55
Whitelisted Blocks:	57
Unknown Blocks:	5

Visual Map

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

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

Similar Families

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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.Gametool.K

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	GetComputerNameEx GetUserDefaultLocaleName GetUserObjectInformation
Anti Debug	IsDebuggerPresent NtQuerySystemInformation
Other Suspicious	AdjustTokenPrivileges
Network Info Queried	GetNetworkParams
Encryption Used	BCryptOpenAlgorithmProvider