PUP.Youxun
The detection of PUP.Youxun 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's essential to understand the nature of this threat and take appropriate steps to remove it and prevent future infections.
Table of Contents
What Is PUP.Youxun?
PUP.Youxun is a type of malware that is classified as a potentially unwanted program. This means that it is not necessarily a virus or a Trojan, but rather a program that may be installed on your system without your knowledge or consent. PUPs can be bundled with other software, downloaded from the internet, or installed through exploits in vulnerable applications. They often exhibit behavior that is annoying, intrusive, or potentially harmful, such as displaying unwanted ads, collecting personal data, or modifying system settings.
How PUP.Youxun Operates
Once installed, PUP.Youxun may operate in various ways, including displaying unwanted advertisements, collecting user data, or modifying system settings. It may also install additional components, such as toolbars, browser extensions, or other PUPs. In some cases, PUPs can be used to distribute more severe malware, such as viruses, Trojans, or ransomware. It's crucial to remove PUP.Youxun as soon as possible to prevent potential harm to your system and data.
Symptoms of Infection
Systems infected with PUP.Youxun may exhibit a range of symptoms, including unwanted pop-ups, slow system performance, and modified browser settings. You may also notice unfamiliar programs or toolbars installed on your system, or experience difficulties with browsing the internet. In some cases, PUPs can cause system crashes, freezes, or errors, making it essential to remove the infection to restore system stability.
- Unwanted advertisements or pop-ups
- Slow system performance or freezes
- Modified browser settings or unfamiliar toolbars
- Difficulty browsing the internet or accessing certain websites
- System crashes or errors
How to Remove PUP.Youxun
- Boot your system in Safe Mode with Networking to prevent the PUP from loading and to allow for internet access.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of PUP.Youxun.
- Uninstall any suspicious programs or applications that may be related to the PUP.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any modified settings or extensions.
- Reboot your system and perform a follow-up scan to ensure that all components of PUP.Youxun have been removed.
Conclusion
Removing PUP.Youxun from your system is crucial to preventing potential harm and restoring system stability. By following the steps outlined above, you can effectively remove the infection and prevent future occurrences. It's also essential to practice safe computing habits, such as avoiding suspicious downloads, using strong antivirus software, and keeping your operating system and applications up to date. By taking these precautions, you can help protect your system from PUPs and other types of malware, ensuring a safe and secure computing experience.
Analysis Report
General information
| Family Name: | PUP.Youxun |
|---|---|
| Signature status: | Root Not Trusted |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
6c991922aadc6ce9ec5f787b5c47cd87
SHA1:
76d5118a9ca410b880368ff5b05f955094155c4a
SHA256:
73228470CD7BA76E04FB19C5BFD6584772BDF0D5B77E772FC4F01929F88860A0
File Size:
1.47 MB, 1465728 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- 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
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 |
|---|---|
| Company Name | 昆山悦趣信息科技有限公司 |
| File Description | 602全民红月 |
| File Version | 10.18.23.457 |
| Internal Name | 602全民红月 |
| Legal Copyright | Copyright (c) 2024 昆山悦趣信息科技有限公司 |
| Original Filename | 602全民红月 |
| Product Name | 602全民红月 |
| Product Version | 10.18.23.457 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| 昆山悦趣信息科技有限公司 | AAA Certificate Services | Root Not Trusted |
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: | 4,839 |
|---|---|
| Potentially Malicious Blocks: | 71 |
| Whitelisted Blocks: | 3,167 |
| Unknown Blocks: | 1,601 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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:\users\user\appdata\local\602games\qmhy_temps\2026-07-15log\20260715_162139run.log | Generic Write,Read Attributes |
