PUP.UR Browser

The detection of PUP.UR Browser on your system indicates the presence of a potentially unwanted program (PUP) that may be compromising your browser's security and performance. PUPs are software applications that, while not necessarily malicious, can cause significant disruptions and pose risks to your personal data and system integrity. Understanding what PUP.UR Browser is, how it operates, and the symptoms it causes is crucial for effective removal and prevention of future infections.

What Is PUP.UR Browser?

PUP.UR Browser refers to a type of potentially unwanted program that is designed to affect web browser functionality. These programs can be bundled with other software or installed through deceptive means, often without the user's full knowledge or consent. Once installed, they can alter browser settings, redirect searches, display unwanted advertisements, and collect user data for various purposes, including targeted advertising.

How PUP.UR Browser Operates

PUPs like PUP.UR Browser typically operate by integrating themselves into the browser as extensions or add-ons. They can modify the browser's home page, default search engine, and even install additional software that can further compromise the system. These programs often use deceptive tactics to remain hidden from the user, making them difficult to detect and remove without proper tools and knowledge. Their operation can lead to a significant decline in system performance, increased risk of exposure to malicious content, and potential data breaches.

Symptoms of Infection

Identifying a PUP.UR Browser infection involves recognizing certain symptoms that indicate the presence of a PUP. Common symptoms include unwanted changes to browser settings, such as a changed home page or default search engine, an increase in pop-up advertisements, and unexpected redirects to suspicious websites. Additionally, users may notice a decrease in their system's performance, as these programs can consume system resources. Being vigilant about these symptoms is key to early detection and removal of the PUP.

How to Remove PUP.UR Browser

1. Enter Safe Mode with Networking: This will help prevent the PUP from loading and give you a cleaner environment to perform the removal process.
2. Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to scan your system for any traces of PUP.UR Browser and other potential threats. Ensure the tool is updated to the latest version for the most effective detection and removal.
3. Uninstall Suspicious Programs: Go through the list of installed programs on your system and uninstall any that are suspicious or unfamiliar, as they could be related to the PUP.
4. Reset Your Browser: For browsers like Chrome, Firefox, or Edge, resetting them to their default settings can help remove any changes made by the PUP. Be aware that this will also remove any customized settings, so it's advisable to back up any important data before doing so.
5. Reboot and Re-scan: After completing the above steps, reboot your system and perform another scan with your anti-malware tool to ensure that all components of the PUP have been removed.

Conclusion

Removing PUP.UR Browser and preventing future infections require a combination of awareness, the right tools, and proactive measures. By understanding the nature of PUPs, being cautious during software installations, and regularly scanning your system with reputable anti-malware tools, you can significantly reduce the risk of PUP.UR Browser and other unwanted programs. Remember, vigilance and timely action are crucial in maintaining the security and integrity of your system and personal data.

Analysis Report

General information

Family Name:	PUP.UR Browser
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: ea93eea1573171c22f0d567d4392a66e SHA1: f7d5d585c0f517f5627a9d9d7237dd1bcf16b51b SHA256: A99948EFFD571C189B91B81F137B16EA7CD79F4FDB14E21FBE15955CDA9576BC File Size: 1.45 MB, 1448952 bytes

MD5: 5a66362343c6cff3803ae253ac95f1dc SHA1: 8b7dddc8320f99992095052b23f00ffe4eae0772 SHA256: 833F619F2F636A23B5D7CB14A7B5982C929723C735770FBD9F698448814CC859 File Size: 1.61 MB, 1607864 bytes

MD5: 151472fe6b2dcd4c3ba3eb4ee19fdf82 SHA1: 48a867cff64995643df947072ed7e3c39b932be8 SHA256: 7CE2C6179F91FF8F1F310DCBFC1F6BCAE3283B15D14CA5727D1CD466FC587FF7 File Size: 1.45 MB, 1447536 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 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

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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
File Description	UR Browser Setup
File Version	3.5.1.7
Internal Name	UR Browser Setup
Product Name	UR Browser Setup
Product Version	3.5.1.7

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
AdaptiveBee SAS	DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1	Self Signed
Adaptivebee SASU	DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1	Self Signed

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\nsldfbd.tmp	Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\local\temp\nsldfbe.tmp\system.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsldfbe.tmp\uractions.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsq655e.tmp	Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\local\temp\nsq655f.tmp\system.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsq655f.tmp\uractions.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\abee::tempappinstanceuid	3ffa3451-320c-44dc-9717-87864e2c0f74	RegNtPreCreateKey
HKCU\software\abee::tempappinstanceuid	5563e222-5b5a-44ff-b714-f92070242667	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
Encryption Used	CryptAcquireContext
Network Winhttp	WinHttpConnect WinHttpOpen WinHttpOpenRequest WinHttpSendRequest
Service Control	StartServiceCtrlDispatcher