PUP.Dsztfso

The detection of PUP.Dsztfso on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. PUPs are software applications that are not necessarily malicious but can still pose a risk to your system's stability and privacy. In this report, we will provide you with information on what PUP.Dsztfso is, how it operates, its symptoms, and most importantly, how to remove it from your system.

What Is PUP.Dsztfso?

PUP.Dsztfso is a type of potentially unwanted program that can be installed on your system without your knowledge or consent. It may be bundled with other software applications or downloaded from the internet. PUPs like PUP.Dsztfso can be used to display unwanted advertisements, collect user data, or install additional software applications that can further compromise your system's security.

How PUP.Dsztfso Operates

PUP.Dsztfso operates by installing itself on your system and then running in the background, often without your knowledge or consent. It may use various techniques to evade detection, such as disguising itself as a legitimate application or using misleading names and icons. Once installed, PUP.Dsztfso can start displaying unwanted advertisements, collecting user data, or installing additional software applications that can further compromise your system's security.

Symptoms of Infection

The symptoms of PUP.Dsztfso infection can vary, but common signs include unwanted advertisements, pop-ups, and banners displayed on your screen. You may also notice that your system is running slower than usual, or that your browser is being redirected to unwanted websites. Additionally, you may see suspicious programs or applications installed on your system that you do not recognize.

• Unwanted advertisements and pop-ups
• System slowdowns and performance issues
• Browser redirects and unwanted website visits
• Suspicious programs or applications installed on your system

How to Remove PUP.Dsztfso

1. Boot your system in Safe Mode with Networking to prevent PUP.Dsztfso 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 applications associated with PUP.Dsztfso.
3. Uninstall any suspicious programs or applications that you do not recognize or that were installed without your consent.
4. Reset your web browsers, including Google Chrome, Mozilla Firefox, and Microsoft Edge, to their default settings to remove any unwanted extensions or add-ons.
5. Reboot your system and perform a follow-up scan with your anti-malware tool to ensure that PUP.Dsztfso has been completely removed.

Conclusion

Removing PUP.Dsztfso from your system requires careful attention to detail and a thorough removal process. By following the steps outlined in this report, you can help ensure that your system is free from the potentially unwanted program and any associated malware. Remember to always be cautious when downloading software applications from the internet and to use reputable anti-malware tools to protect your system from potential threats. Regular system scans and updates can also help prevent future infections and keep your system running smoothly and securely.

Analysis Report

General information

Family Name:	PUP.Dsztfso
Signature status:	Root Not Trusted

Known Samples

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Known Samples

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

MD5: 69ab4148e84ae856ddafe44a4ed4070a SHA1: f8d25f7a32d837ebff5b467a9dfb3365910afd7d File Size: 4.01 MB, 4006248 bytes

MD5: e4c72ecf19d960ce816241b8e81f3e63 SHA1: 413c9425025ff7f7b9d6887c4d463d9fc79ff689 SHA256: 7347823C29B903837E2F2CA31EB0F3F28D7C6F31ED80152F1FDAC081A132F48A File Size: 119.88 KB, 119880 bytes

MD5: 83b41824d889083e23b011238d900a77 SHA1: b65a69f22aefcec36c8ecc259558afc6d13c60bf SHA256: 22C83E582C4DFC6A1899BEEA0A447E40CAC12CBC2B720F74126E28BE40BD9164 File Size: 3.44 MB, 3437424 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 has 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)

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• 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
Company Name	TODO: <公司名>
File Description	TODO: <文件说明> VMware安装小助手 拳皇小助手
File Version	1.1.0.0 1.0.0.1
Internal Name	CMyControl.dll setup.exe
Legal Copyright	Copyright (C) TODO: (C) <公司名>。 保留所有权利。
Original Filename	CMyControl.dll
Product Name	TODO: <产品名> VMware安装小助手 拳皇小助手
Product Version	1.0.0.1 1.0.0.0

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
南京博世嘉信文化传媒有限公司	DigiCert Trusted Root G4	Root Not Trusted
上海茹布网络科技有限公司	GlobalSign	Root Not Trusted
上海茹布网络科技有限公司	GlobalSign	Root Not Trusted

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\main.ini	Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-console-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-datetime-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-debug-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-errorhandling-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-file-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-file-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-file-l2-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-handle-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-heap-l1-1-0.dll	Generic Write,Read Attributes

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c:\users\user\appdata\roaming\installvmware\api-ms-win-core-interlocked-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-libraryloader-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-localization-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-localization-l2-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-memory-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-misc-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-namedpipe-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-processenvironment-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-processthreads-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-processthreads-l1-1-1.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-profile-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-rtlsupport-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-string-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-synch-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-synch-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-sysinfo-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-timezone-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-core-util-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-conio-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-convert-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-environment-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-filesystem-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-heap-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-locale-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-math-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-multibyte-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-runtime-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-stdio-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-string-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-time-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\api-ms-win-crt-utility-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\gamepayment.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\httpreq.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\islsvmware.exe	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\main.ini	Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\roaming\installvmware\msvcp140.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\msvcr90.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\res\res.zip	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\tjf.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\vcruntime140.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\installvmware\zlib.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-console-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-datetime-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-debug-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-errorhandling-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-file-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-file-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-file-l2-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-handle-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-heap-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-interlocked-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-libraryloader-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-localization-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-localization-l2-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-memory-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-misc-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-namedpipe-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-processenvironment-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-processthreads-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-processthreads-l1-1-1.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-profile-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-rtlsupport-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-string-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-synch-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-synch-l1-2-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-sysinfo-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-timezone-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-core-util-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-conio-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-convert-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-environment-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-filesystem-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-heap-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-locale-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-math-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-multibyte-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-runtime-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-stdio-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-string-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-time-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\api-ms-win-crt-utility-l1-1-0.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\gamepay.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\httpreq.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\mainzqh.exe	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\msvcp140.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\msvcr90.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\tjf.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\vcruntime140.dll	Generic Write,Read Attributes
c:\users\user\appdata\roaming\mainqh\zlib.dll	Generic Write,Read 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
HKCU\software\fygame\soft-vmware::mn	Օ���\�g�<ܪ��	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
Anti Debug	IsDebuggerPresent NtQuerySystemInformation OutputDebugString
User Data Access	GetUserObjectInformation
Process Manipulation Evasion	NtUnmapViewOfSection
Process Shell Execute	CreateProcess
Network Winsock2	WSAStartup
Network Info Queried	GetAdaptersAddresses
Network Winsock	closesocket connect send socket
Syscall Use	ntdll.dll!NtAlpcSendWaitReceivePort ntdll.dll!NtClose ntdll.dll!NtCreateFile ntdll.dll!NtCreateSection ntdll.dll!NtFreeVirtualMemory ntdll.dll!NtMapViewOfSection ntdll.dll!NtOpenFile ntdll.dll!NtOpenKey ntdll.dll!NtOpenProcessToken ntdll.dll!NtProtectVirtualMemory Show More ntdll.dll!NtQueryAttributesFile ntdll.dll!NtQueryDebugFilterState ntdll.dll!NtQueryInformationProcess ntdll.dll!NtQueryInformationThread ntdll.dll!NtQueryInformationToken ntdll.dll!NtQuerySystemInformationEx ntdll.dll!NtQueryValueKey ntdll.dll!NtQueryVirtualMemory ntdll.dll!NtQueryVolumeInformationFile ntdll.dll!NtReadFile ntdll.dll!NtSetEvent ntdll.dll!NtSetInformationFile ntdll.dll!NtSetInformationProcess ntdll.dll!NtTestAlert ntdll.dll!NtUnmapViewOfSection ntdll.dll!NtWaitForSingleObject ntdll.dll!NtWriteFile ntdll.dll!NtWriteVirtualMemory win32u.dll!NtUserGetKeyboardLayout win32u.dll!NtUserGetThreadState

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\Ztqzpurc\AppData\Roaming\InstallVMware\islsvmware.exe" f8d25f7a32d837ebff5b467a9dfb3365910afd7d_0004006248.exe

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\413c9425025ff7f7b9d6887c4d463d9fc79ff689_0000119880.,LiQMAxHB