PUP.Kugou.A

The detection of PUP.Kugou.A 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 immediate action to remove it and prevent further damage.

What Is PUP.Kugou.A?

PUP.Kugou.A is a type of potentially unwanted program that can be installed on a computer without the user's knowledge or consent. These programs are often bundled with other software or downloaded from untrusted sources, and they can cause a range of problems, including slowing down your computer, displaying unwanted ads, and potentially putting your personal data at risk.

How PUP.Kugou.A Operates

PUPs like PUP.Kugou.A typically operate by installing themselves on a computer and then running in the background, often without the user's knowledge. They may collect data about the user's browsing habits, search history, and other online activities, which can be used to display targeted ads or sold to third-party companies. In some cases, PUPs can also install additional malware or unwanted programs on the computer, which can lead to further security issues.

Symptoms of Infection

If your computer is infected with PUP.Kugou.A, you may notice a range of symptoms, including slow performance, unwanted ads or pop-ups, and changes to your browser settings or homepage. You may also notice that your computer is running more slowly than usual, or that you are experiencing frequent crashes or errors. In some cases, you may not notice any symptoms at all, which is why it's essential to run regular virus scans and monitor your computer's behavior closely.

• Unwanted ads or pop-ups
• Slow computer performance
• Changes to browser settings or homepage
• Frequent crashes or errors
• Unexplained data usage or bandwidth consumption

How to Remove PUP.Kugou.A

1. Boot your computer in Safe Mode with Networking to prevent the PUP from running and to allow you to download and install removal tools.
2. Download and install a reputable anti-malware tool, such as SpyHunter, and run a full scan to detect and remove PUP.Kugou.A and any other malware that may be present.
3. Uninstall any suspicious programs or applications that you don't recognize or that you didn't intentionally install.
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 run another scan with your anti-malware tool to ensure that the PUP has been completely removed.

Conclusion

Removing PUP.Kugou.A from your computer is essential to prevent further damage and protect your personal data. By following the steps outlined above, you can remove the PUP and restore your computer to its normal functioning state. It's also essential to take steps to prevent future infections, including being cautious when downloading software, avoiding untrusted sources, and running regular virus scans. By taking these precautions, you can help to keep your computer safe and secure.

Analysis Report

General information

Family Name:	PUP.Kugou.A
Signature status:	Self Signed

Known Samples

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Known Samples

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

MD5: ab9ae6a664282b24922dd94e75bf6f23 SHA1: ffc1a70d23a8d42a347b262fd8f488921348ac95 SHA256: 42EE237BC1008B4C80F01C9C9D6F2FE2E278F21B10716413F9703E99DF9CBFB0 File Size: 2.21 MB, 2209472 bytes

MD5: 00f0d21595fee3791cbf6e4aa7c71202 SHA1: 2291baaf23919f7a18cfa8d7412e2b2e0f81f9ef SHA256: 5E13A320C0C4D2ACC0BF7A591CD4F554FF5A27EBE762BF2E92EAD5FC1031FE47 File Size: 5.90 MB, 5900936 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 debug information
• File doesn't have exports table
• File doesn't have relocations 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)

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• 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
Company Name	酷狗音乐
File Description	酷狗音乐 Uninstall
File Version	9.1.44.23567 8.3.95.21568
Legal Copyright	酷狗音乐
Product Name	酷狗音乐

Digital Signatures

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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
Guangzhou KuGou Computer Technology Co., Ltd.	Symantec Class 3 SHA256 Code Signing CA	Self Signed

File Traits

• dll
• HighEntropy
• x86

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
c:\users\user\appdata\local\temp\nsba4d7.tmp\border.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\close.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\isx.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\kgskin.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\nsdialogs.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\progressbar.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\radio0.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\radio1.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\song.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\system.dll	Generic Write,Read Attributes

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c:\users\user\appdata\local\temp\nsba4d7.tmp\unbg1.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\unbg2.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\unbg3.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\uncancel.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\uninstall.skn	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\unnext.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsba4d7.tmp\unok.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\border.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\close.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\isx.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\kgskin.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\nsdialogs.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\progressbar.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\radio0.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\radio1.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\song.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\svg.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\system.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\unbg1.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\unbg2.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\unbg3.jpg	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\uncancel.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\uninstall.skn	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\unnext.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsbbf7d.tmp\unok.png	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\~nsu.tmp\au_.exe	Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144

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\controlset001\control\session manager::pendingfilerenameoperations	*1\??\C:\Windows\SystemTemp\MicrosoftEdgeUpdate.exe.old122e4*1\??\C:\Windows\SystemTemp\CopilotUpdate.exe.old12352*1\??\C:\P	RegNtPreCreateKey
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations	*1\??\C:\Windows\SystemTemp\MicrosoftEdgeUpdate.exe.old122e4*1\??\C:\Windows\SystemTemp\CopilotUpdate.exe.old12352*1\??\C:\P	RegNtPreCreateKey
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations	*1\??\C:\Windows\SystemTemp\MicrosoftEdgeUpdate.exe.old5af52*1\??\C:\Windows\SystemTemp\CopilotUpdate.exe.old5af62*1\??\C:\P	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
Process Shell Execute	CreateProcess
Other Suspicious	AdjustTokenPrivileges

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:\Users\Zpextoud\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=c:\users\user\downloads\

"C:\Users\Bkpasika\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=c:\users\user\downloads\