PUP.MSIL.Brute.BBK

The detection of PUP.MSIL.Brute.BBK on your system indicates the presence of a potentially unwanted program (PUP) that may compromise your computer's security and performance. It is essential to understand the nature of this threat and take immediate action to remove it to prevent further damage.

What Is PUP.MSIL.Brute.BBK?

PUP.MSIL.Brute.BBK is a type of potentially unwanted program that is designed to infiltrate a computer system without the user's knowledge or consent. The name suggests that it may be related to brute-force attacks, which are attempts to guess or crack passwords or encryption keys. However, without more specific information, it is difficult to determine the exact nature and behavior of this particular threat.

How PUP.MSIL.Brute.BBK Operates

PUPs like PUP.MSIL.Brute.BBK often operate by exploiting vulnerabilities in software or using social engineering tactics to trick users into installing them. Once installed, they may display unwanted advertisements, collect user data, or install additional malware. They can also consume system resources, slowing down the computer and causing other performance issues. In some cases, PUPs may attempt to connect to remote servers to receive updates or transmit stolen data.

Symptoms of Infection

Infected systems may exhibit a range of symptoms, including slow performance, frequent crashes, and unexpected pop-ups or advertisements. Users may also notice unfamiliar programs or icons on their desktop or taskbar. In some cases, the system may become unstable or unresponsive, requiring a reboot or even a full system restore. It is essential to be vigilant and monitor your system for any suspicious activity, as PUPs can be difficult to detect and may not always display obvious symptoms.

How to Remove PUP.MSIL.Brute.BBK

  1. Boot your computer in Safe Mode with Networking to prevent the PUP from loading and to allow for a more thorough removal process.
  2. Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the PUP.
  3. Uninstall any suspicious programs or applications that may be related to the PUP, using the Windows Control Panel or Settings app.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and run another full scan with your anti-malware tool to ensure that all remnants of the PUP have been removed.

Conclusion

Removing PUP.MSIL.Brute.BBK requires a combination of technical expertise and caution. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove this potentially unwanted program and restore your system to a safe and stable state. It is essential to remain vigilant and monitor your system for any suspicious activity, as PUPs can be difficult to detect and may require ongoing maintenance to prevent reinfection. By taking proactive steps to protect your system and data, you can minimize the risk of PUP infections and maintain a secure online environment.

Analysis Report

General information

Family Name: PUP.MSIL.Brute.BBK
Signature status: No Signature

Known Samples

MD5: 3471be5989481a8ecd53d615d8f9acd2
SHA1: 5fd4cc823e8c878efb857b2e5b62bba2a286f0ec
SHA256: 3B478B64442063D2CFA532A8B1D69F77C0207736D85D270B4DEF31233F448B0A
File Size: 585.73 KB, 585728 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • 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)

Windows PE Version Information

Name Value
Comments 74596ef9 4a97 4ce0 9ff9 6a6e8f0f30e3
Company Name Murray Hurps Software Pty Ltd
File Description Ad Muncher
Guid e9c308bc-fe56-4270-a974-c8f9c1a93925
Legal Copyright Copyright © Murray Hurps Software Pty Ltd
Legal Trademarks 40951764 4999 4bd2 844f 89721aff9fde
Product Name Ad Muncher

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 95
Potentially Malicious Blocks: 29
Whitelisted Blocks: 42
Unknown Blocks: 24

Visual Map

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

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • NtQuerySystemInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
  • VirtualAllocEx
Process Shell Execute
  • CreateProcess

Shell Command Execution

c:\users\user\downloads\5fd4cc823e8c878efb857b2e5b62bba2a286f0ec_0000585728 "c:\users\user\downloads\5fd4cc823e8c878efb857b2e5b62bba2a286f0ec_0000585728"

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