PUP.Bulz.LJ

The detection of PUP.Bulz.LJ on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. It is essential to understand the nature of this threat and take appropriate steps to remove it and prevent future infections.

What Is PUP.Bulz.LJ?

PUP.Bulz.LJ is a type of malware that is classified as a potentially unwanted program. This means that while it may not be as harmful as other types of malware, such as viruses or Trojans, it can still cause problems with your system and compromise your privacy. PUPs are often installed inadvertently, and they can be difficult to remove without the right tools and knowledge.

How PUP.Bulz.LJ Operates

PUP.Bulz.LJ, like other PUPs, operates by installing itself on your system and then executing its payload. This can include a range of activities, such as displaying unwanted advertisements, collecting your personal data, and modifying your system settings. PUPs can also install additional malware or create backdoors for other malicious programs to exploit. They often use deceptive tactics to evade detection and removal, making them a significant threat to your system's security and integrity.

Symptoms of Infection

If your system is infected with PUP.Bulz.LJ, you may notice a range of symptoms, including slow system performance, unwanted pop-ups and advertisements, and changes to your browser settings. You may also experience issues with your system's stability, such as crashes and freezes. In some cases, PUPs can also cause problems with your system's security, such as allowing unauthorized access to your personal data.

  • Unwanted advertisements and pop-ups
  • Changes to your browser settings and homepage
  • Slow system performance and stability issues
  • Unauthorized access to your personal data

How to Remove PUP.Bulz.LJ

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect and remove the PUP.Bulz.LJ malware.
  3. Uninstall any suspicious programs that may be related to the PUP.Bulz.LJ infection.
  4. Reset your browser settings, including Chrome, Firefox, and Edge, to their default values to remove any changes made by the malware.
  5. Reboot your system and perform a follow-up scan to ensure that the malware has been completely removed.

Conclusion

Removing PUP.Bulz.LJ from your system requires a combination of technical knowledge and the right tools. By following the steps outlined above and using a reputable anti-malware tool, you can effectively remove the malware and prevent future infections. It is essential to remain vigilant and to take proactive steps to protect your system and your personal data from the threats posed by PUPs and other types of malware. Regularly updating your operating system and software, using strong antivirus protection, and being cautious when installing new programs can help to minimize the risk of infection and keep your system secure.

Analysis Report

General information

Family Name: PUP.Bulz.LJ
Signature status: No Signature

Known Samples

MD5: c2bde35c4e4b5bc34674f51dee2e2e32
SHA1: f1e6d04e2bd3a5edff6af50137a922f7bfb97833
SHA256: FEE550694783280714DDDA03EE2BBEB93D8EA769FB7D343B512A47FB3007AD33
File Size: 5.81 MB, 5808576 bytes
MD5: ee07edb34fa6956bb0fc9777df4aadb4
SHA1: e0c162867b1e160c14f9ac07dcdf6bb5b1177bfe
SHA256: B8A0C887F2BBE727980E4AB31E10208F9CE5AD5DDDE6A255355DF9870C3AC549
File Size: 5.81 MB, 5809600 bytes
MD5: 584da4c17aecb591288de23c729604a9
SHA1: 9ecf99f0aeef0c5c5d60c5f7afce64876132eb83
SHA256: 4BA66829BACC160D06B17AA94E16661C71AD3275F7A0A27EFB3107E7D90DA7B6
File Size: 936.30 KB, 936296 bytes
MD5: 8e35f34bad80687235eef938ade14eb3
SHA1: 18af9ab1e5285538843a9c51c352a429d30ae104
SHA256: BC27211F1448646CFFBCC0E821DC816BA3F8DA87F7172CA703416CABEEC0CBF6
File Size: 5.81 MB, 5811136 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has exports table
  • File has TLS 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
Show More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Company Name
  • Sysinternals - www.sysinternals.com
  • Valve Corporation
File Description
  • Vmmap - process memory analyzer
  • vstdlib_ s.dll
File Version
  • 3.4
  • 3, 0, 0, 1
Internal Name
  • Vmmap
  • vstdlib_ s.dll
Legal Copyright
  • Copyright (C) 2005 Valve Corporation
  • Copyright © 2009-2023 Mark Russinovich
Original Filename
  • Vmmap
  • vstdlib_ s.dll
Product Name
  • Steam
  • Vmmap
Product Version
  • 3.4
  • 3, 0, 0, 1
Source Control I D 8226019

File Traits

  • dll
  • HighEntropy
  • VirtualQueryEx
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 2,847
Potentially Malicious Blocks: 433
Whitelisted Blocks: 2,182
Unknown Blocks: 232

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Bulz.LJ

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
Show More
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\9ecf99f0aeef0c5c5d60c5f7afce64876132eb83_0000936296.,LiQMAxHB

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