Adware.Kuaiba

The detection of Adware.Kuaiba on your system indicates the presence of a potentially unwanted program that may be causing disruptions to your computing experience. Adware, in general, refers to software that displays unwanted advertisements, often in the form of pop-ups, banners, or sponsored content. These programs can compromise your system's security and privacy, making it essential to understand and address the issue promptly.

What Is Adware.Kuaiba?

Adware.Kuaiba is identified as a form of adware, which is a type of malware designed to display advertisements on your computer, often without your consent. These advertisements can range from mildly annoying to significantly intrusive, affecting your ability to use your computer efficiently. The primary goal of adware like Adware.Kuaiba is to generate revenue for its creators by displaying ads, collecting data on your browsing habits, or redirecting you to affiliate websites.

How Adware.Kuaiba Operates

Adware.Kuaiba, like other adware programs, operates by infiltrating your system, often through bundled software downloads, deceptive links, or exploits in software vulnerabilities. Once installed, it can modify your browser settings, add extensions, or create shortcuts to unwanted websites. This malware can also collect your browsing data, including search queries, visited sites, and personal information, which may be used for targeted advertising or sold to third parties.

Symptoms of Infection

Recognizing the symptoms of an adware infection is crucial for taking prompt action. Common signs include an increase in unwanted pop-ups, banners, and ads on your browser or desktop, even when you're not browsing the internet. Your browser's homepage or default search engine might have been changed without your consent. Additionally, you might notice a decrease in your computer's performance, as adware can consume system resources to display ads and collect data.

• Frequent appearance of pop-up ads, even when you're not browsing.
• Unwanted changes to your browser's settings or the appearance of unfamiliar toolbars.
• A significant slowdown in your computer's performance.
• Redirects to suspicious or unfamiliar websites.

How to Remove Adware.Kuaiba

1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a safer removal process.
2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove Adware.Kuaiba and other potential threats.
3. Manually uninstall any recently installed programs that you suspect may be related to the adware. Be cautious and only uninstall programs you are certain are malicious or unnecessary.
4. Reset your browsers (Google Chrome, Mozilla Firefox, Microsoft Edge) to their default settings. This will remove any changes made by the adware, including unwanted extensions or modified settings.
5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the adware has been completely removed.

Conclusion

Removing Adware.Kuaiba and preventing future infections requires a combination of using reputable security software, being cautious with downloads and links, and regularly maintaining your computer's security and privacy settings. By understanding how adware operates and taking proactive steps, you can protect your computer and personal data from these and other types of malware. Regularly updating your operating system, browsers, and security software is also crucial in preventing vulnerabilities that adware can exploit. Stay vigilant and ensure your computing environment remains secure and adware-free.

Analysis Report

General information

Family Name:	Adware.Kuaiba
Packers:	UPX
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: 71d7cb3bb281a3d457d5ced9647bbeac SHA1: ef0c95c4e56b9971aa1317ae7cf51ef7f87e8130 SHA256: 205BAF61BCA1192DE030A722F6446B8A0B182BD7733614BB25D9256B788B02DB File Size: 8.26 MB, 8263904 bytes

MD5: ed759b8f45745fbda8f3b690a04f66db SHA1: 007177cf0a47dfe596f4b23157531550fb6f261d SHA256: 7B979C1662618579CAC69C06D7FF11C26BE6085FDC465B48F2C26C4FB8A29C42 File Size: 337.41 KB, 337408 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 doesn't have security information
• File has been packed
• 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
Comments	快快运行库修复助手 v2.0
Company Name	和御嘉网络
File Description	Kawaks 快快运行库修复助手 v2.0 安装程序 6887c71
File Version	2.0.1.287 1, 0, 0, 1
Internal Name	WinKawaks
Legal Copyright	Copyright (C) 2001 版权所有 (C) 2022 和御嘉网络
Original Filename	WinKawaks.exe
Product Name	WinKawaks Application 快快运行库修复助手
Product Version	2.0.1.287 1, 0, 0, 1
Special Build	000000

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
南京和御嘉网络科技有限公司	AAA Certificate Services	Root Not Trusted
南京和御嘉网络科技有限公司	AAA Certificate Services	Root Not Trusted

File Traits

• .UPX
• 2+ executable sections
• HighEntropy
• packed
• 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:	304
Potentially Malicious Blocks:	1
Whitelisted Blocks:	18
Unknown Blocks:	285

Visual Map

0 ? ? ? ? ? ? 0 0 0 ? ? ? ? x 0 ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? 0 0 ? ? ? ? 0 ? ? ? ? ? ? ? ? ? 0 ? ? ? 0 ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 0 0 0

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

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\nsxa8af.tmp\buttonevent.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa8af.tmp\kkrtnsisminiextend.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa8af.tmp\kkrtskin.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa8af.tmp\nsdialogs.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa8af.tmp\skin_image.zip	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa8af.tmp\system.dll	Generic Write,Read Attributes

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
User Data Access	GetUserObjectInformation
Other Suspicious	SetWindowsHookEx