PUP.MSIL.Brute.BCU

The detection of PUP.MSIL.Brute.BCU on your system indicates the presence of a potentially unwanted program (PUP) that may compromise your computer's security and performance. This type of malware is designed to operate discreetly, often without the user's knowledge or consent, making it essential to understand its characteristics and take prompt action to remove it.

What Is PUP.MSIL.Brute.BCU?

PUP.MSIL.Brute.BCU is a type of potentially unwanted program that can be installed on your computer through various means, such as bundled software, infected downloads, or exploited vulnerabilities. Its primary purpose is to generate revenue for its creators by displaying unwanted advertisements, collecting user data, or redirecting browsing activity to affiliate websites. While not as malicious as other types of malware, PUPs can still pose a significant threat to your online security and privacy.

How PUP.MSIL.Brute.BCU Operates

PUP.MSIL.Brute.BCU operates by infiltrating your system and integrating itself into your web browser or operating system. It can modify browser settings, install additional toolbars or extensions, and collect user data such as browsing history, search queries, or personal information. This data can be used to create targeted advertisements or sold to third-party companies, compromising your online privacy. Additionally, PUPs can slow down your system, cause browser crashes, or lead to other stability issues.

Symptoms of Infection

Identifying a PUP.MSIL.Brute.BCU infection can be challenging, as it often disguises itself as a legitimate program or operates in the background. However, some common symptoms may include unwanted advertisements, pop-ups, or redirects; slow browser or system performance; unfamiliar toolbars or extensions; or changes to your browser's homepage or search engine. If you notice any of these symptoms, it is essential to take immediate action to remove the PUP and prevent further damage.

How to Remove PUP.MSIL.Brute.BCU

  1. Boot your computer in Safe Mode with Networking to prevent the PUP from loading and to allow for a more effective removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of PUP.MSIL.Brute.BCU.
  3. Uninstall any suspicious programs or applications that may be related to the PUP, as they can reinstall or reactivate the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any modifications made by the PUP.
  5. Reboot your computer and perform another full scan to ensure that all remnants of the PUP have been removed.

Conclusion

Removing PUP.MSIL.Brute.BCU from your system requires a combination of technical knowledge and caution. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove this potentially unwanted program and prevent future infections. It is essential to remain vigilant and take proactive measures to protect your online security and privacy, such as keeping your software up-to-date, avoiding suspicious downloads, and using strong antivirus protection. By taking these steps, you can minimize the risk of PUP infections and maintain a safe and secure computing environment.

Analysis Report

General information

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

Known Samples

MD5: 7a9b6022d4ca6d1a20cf2d15a7cea242
SHA1: 146ba77734ba93149ecc2e184172f843b516a179
SHA256: 6CFB16FFEACD8D6770FEF0108FBE92B62C9BAF8DDECE446109F62552C8FEFDED
File Size: 18.94 KB, 18944 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
Assembly Version 1.0.0.0
File Description ST755_Cloud_Test
File Version 1.0.0.0
Internal Name Communicator.exe
Legal Copyright Copyright © 2012
Original Filename Communicator.exe
Product Name ST755_Cloud_Test
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 36
Potentially Malicious Blocks: 29
Whitelisted Blocks: 7
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Brute.BCU

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
Show More
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • OutputDebugString
Encryption Used
  • CryptAcquireContext
Network Winsock2
  • WSASocket
  • WSAStartup
Network Winsock
  • bind
  • closesocket
  • setsockopt

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