PUP.Brute.BF

The detection of PUP.Brute.BF indicates that your system has been compromised by a potentially unwanted program (PUP). This type of threat is designed to perform actions on your computer without your explicit consent, which can lead to a range of issues including data breaches, slowed system performance, and unwanted advertisements. It is essential to understand the nature of this threat and take immediate action to remove it from your system to prevent further damage.

What Is PUP.Brute.BF?

PUP.Brute.BF is classified as a potentially unwanted program, which means it is not necessarily malicious in the traditional sense but can still cause significant disruptions to your computing experience. PUPs often find their way onto systems through bundled software downloads, where they are included as an additional component that is installed alongside the primary program you intended to download. They can also be distributed through deceptive online advertisements or by exploiting vulnerabilities in software.

How PUP.Brute.BF Operates

Once installed, PUP.Brute.BF can operate in various ways, depending on its design and purpose. Common behaviors include displaying unwanted advertisements, collecting user data without consent, modifying browser settings, and slowing down system performance. Some PUPs may also attempt to download and install additional unwanted software, further compromising your system's security and functionality.

• Displaying pop-ups, banners, and other forms of advertisements not related to the websites you visit.
• Redirecting your browser to unwanted websites or search engines.
• Collecting and transmitting your browsing history, search queries, and other personal data to third parties.

Symptoms of Infection

If your system is infected with PUP.Brute.BF, you may notice several symptoms. These can include an increase in unwanted advertisements, changes to your browser's homepage or default search engine, and overall system slowdown. You might also observe that your browser is being redirected to unexpected websites or that new, unfamiliar programs are installed on your computer.

• Unexplained increases in data usage.
• Appearance of toolbars or extensions in your browser that you did not install.
• Frequent crashes of your browser or other applications.

How to Remove PUP.Brute.BF

1. Enter Safe Mode with Networking to prevent the PUP from interfering with the removal process. This mode allows you to use the internet to download removal tools while limiting the PUP's ability to operate.
2. Perform a full scan of your system using a reputable anti-malware tool such as SpyHunter. These tools are designed to detect and remove PUPs and other types of malware.
3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you first noticed symptoms of the infection.
4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any unwanted changes made by the PUP, such as altered homepages or search engines.
5. 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.Brute.BF from your system is crucial to restoring your privacy, security, and computing experience. By following the steps outlined above and maintaining vigilance in your online activities, you can protect your system from similar threats in the future. Regularly updating your software, being cautious with downloads, and using reputable security software can significantly reduce the risk of PUP infections. Remember, prevention and prompt action are key to dealing with potentially unwanted programs and other cyber threats.

Analysis Report

General information

Family Name:	PUP.Brute.BF
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: 6567dbca3fa8c0ed3cee05bcd881ebac SHA1: a4044d23ff4930dcc615a47eef564f1a1206ffe1 SHA256: 269BE9D1A30764378BF8317CE5B0054F08D95601DD1991D387C1C9150484E4F1 File Size: 1.26 MB, 1255180 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 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

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• 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	Oleg N. Scherbakov
File Description	7z Setup SFX (x86)
File Version	1.6.0.2712
Internal Name	7ZSfxMod
Legal Copyright	Copyright © 2005-2012 Oleg N. Scherbakov
Original Filename	7ZSfxMod_x86.exe
Private Build	December 30, 2012
Product Name	7-Zip SFX
Product Version	1.6.0.2712

File Traits

• WriteProcessMemory
• 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:\windows\tsb16j\bdtr2g.cfg	Generic Write,Read Attributes
c:\windows\tsb16j\bdtr2g.cfg	Synchronize,Write Attributes
c:\windows\tsb16j\bdtr2g.exe	Generic Write,Read Attributes
c:\windows\tsb16j\bdtr2g.exe	Synchronize,Write Attributes
c:\windows\tsb16j\devexpress.utils.v18.2.ui.dll	Generic Write,Read Attributes
c:\windows\tsb16j\devexpress.utils.v18.2.ui.dll	Synchronize,Write Attributes
c:\windows\tsb16j\lang	Synchronize,Write Attributes
c:\windows\tsb16j\lang\arabic	Synchronize,Write Attributes
c:\windows\tsb16j\lang\arabic\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\arabic\stopupdates10.nat	Synchronize,Write Attributes

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c:\windows\tsb16j\lang\brazilianportuguese	Synchronize,Write Attributes
c:\windows\tsb16j\lang\brazilianportuguese\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\brazilianportuguese\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\bulgarian	Synchronize,Write Attributes
c:\windows\tsb16j\lang\bulgarian\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\bulgarian\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\catalan	Synchronize,Write Attributes
c:\windows\tsb16j\lang\catalan\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\catalan\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\chinesetraditional	Synchronize,Write Attributes
c:\windows\tsb16j\lang\chinesetraditional\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\chinesetraditional\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\czech	Synchronize,Write Attributes
c:\windows\tsb16j\lang\czech2	Synchronize,Write Attributes
c:\windows\tsb16j\lang\czech2\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\czech2\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\czech\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\czech\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\french	Synchronize,Write Attributes
c:\windows\tsb16j\lang\french\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\french\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\german	Synchronize,Write Attributes
c:\windows\tsb16j\lang\german\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\german\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\greek	Synchronize,Write Attributes
c:\windows\tsb16j\lang\greek\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\greek\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\greek\wu.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\greek\wu.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\hungarian	Synchronize,Write Attributes
c:\windows\tsb16j\lang\hungarian\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\hungarian\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\italian	Synchronize,Write Attributes
c:\windows\tsb16j\lang\italian\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\italian\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\japanese	Synchronize,Write Attributes
c:\windows\tsb16j\lang\japanese\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\japanese\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\japanese_meiryo	Synchronize,Write Attributes
c:\windows\tsb16j\lang\japanese_meiryo\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\japanese_meiryo\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\korean	Synchronize,Write Attributes
c:\windows\tsb16j\lang\korean\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\korean\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\polish	Synchronize,Write Attributes
c:\windows\tsb16j\lang\polish\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\polish\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\russian	Synchronize,Write Attributes
c:\windows\tsb16j\lang\russian\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\russian\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\russian\wu.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\russian\wu.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\spanish	Synchronize,Write Attributes
c:\windows\tsb16j\lang\spanish2	Synchronize,Write Attributes
c:\windows\tsb16j\lang\spanish2\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\spanish2\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\spanish\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\spanish\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\turkish	Synchronize,Write Attributes
c:\windows\tsb16j\lang\turkish\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\turkish\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\ukrainian	Synchronize,Write Attributes
c:\windows\tsb16j\lang\ukrainian\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\ukrainian\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\lang\ukrainian\wu.nat	Generic Write,Read Attributes
c:\windows\tsb16j\lang\ukrainian\wu.nat	Synchronize,Write Attributes
c:\windows\tsb16j\libvorbisfile-3.dll	Generic Write,Read Attributes
c:\windows\tsb16j\libvorbisfile-3.dll	Synchronize,Write Attributes
c:\windows\tsb16j\osclientcerts.dll	Generic Write,Read Attributes
c:\windows\tsb16j\osclientcerts.dll	Synchronize,Write Attributes
c:\windows\tsb16j\stopupdates10-settins.ini	Generic Write,Read Attributes
c:\windows\tsb16j\stopupdates10-settins.ini	Synchronize,Write Attributes
c:\windows\tsb16j\su10guard.exe	Generic Write,Read Attributes
c:\windows\tsb16j\su10guard.exe	Synchronize,Write Attributes
c:\windows\tsb16j\translate	Synchronize,Write Attributes
c:\windows\tsb16j\translate\change-from-234-to-250.upd	Generic Write,Read Attributes
c:\windows\tsb16j\translate\change-from-234-to-250.upd	Synchronize,Write Attributes
c:\windows\tsb16j\translate\change-from-250-to-255.upd	Generic Write,Read Attributes
c:\windows\tsb16j\translate\change-from-250-to-255.upd	Synchronize,Write Attributes
c:\windows\tsb16j\translate\change-from-255-to-300.upd	Generic Write,Read Attributes
c:\windows\tsb16j\translate\change-from-255-to-300.upd	Synchronize,Write Attributes
c:\windows\tsb16j\translate\change-from-300-to-350.upd	Generic Write,Read Attributes
c:\windows\tsb16j\translate\change-from-300-to-350.upd	Synchronize,Write Attributes
c:\windows\tsb16j\translate\how_to_translate.txt	Generic Write,Read Attributes
c:\windows\tsb16j\translate\how_to_translate.txt	Synchronize,Write Attributes
c:\windows\tsb16j\translate\stopupdates10.nat	Generic Write,Read Attributes
c:\windows\tsb16j\translate\stopupdates10.nat	Synchronize,Write Attributes
c:\windows\tsb16j\translate\wu.nat	Generic Write,Read Attributes
c:\windows\tsb16j\translate\wu.nat	Synchronize,Write Attributes
c:\windows\tsb16j\vy2bjj.exe	Generic Write,Read Attributes
c:\windows\tsb16j\vy2bjj.exe	Synchronize,Write 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
User Data Access	GetUserObjectInformation
Process Shell Execute	ShellExecuteEx

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.

(NULL) GRWLRL.exe /disable