Threat Database Trojans Trojan.Lsassdump.A

Trojan.Lsassdump.A

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 24,090
Threat Level: 80 % (High)
Infected Computers: 27
First Seen: February 3, 2024
Last Seen: May 9, 2026
OS(es) Affected: Windows

The detection of Trojan.Lsassdump.A indicates that your system has been compromised by a type of malicious software. This threat is categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can cause significant harm to your computer and data, making it essential to understand the nature of this threat and take immediate action to remove it.

What Is Trojan.Lsassdump.A?

Trojan.Lsassdump.A is a type of malware that is designed to infiltrate your system without your knowledge or consent. The name itself does not directly indicate a specific malware family, but rather suggests that it is a Trojan-type threat. Trojans are known for their ability to masquerade as useful programs, making them difficult to detect. They can be used for a variety of malicious purposes, including stealing sensitive information, disrupting system operation, and providing unauthorized access to your computer.

How Trojan.Lsassdump.A Operates

Like other Trojans, Trojan.Lsassdump.A operates by exploiting vulnerabilities in your system's security. It can be spread through various means, such as opening malicious email attachments, visiting compromised websites, or downloading infected software. Once inside your system, it can execute a range of malicious activities. Understanding the exact operation of Trojan.Lsassdump.A is challenging without specific details, but it's clear that its primary goal is to compromise your system's integrity and potentially steal valuable data.

Symptoms of Infection

Identifying a Trojan infection can be tricky, as these malware types are designed to remain stealthy. However, there are several symptoms that might indicate your system is infected with Trojan.Lsassdump.A or similar malware. These include unexpected system crashes, slow performance, unfamiliar programs or icons, and unusual network activity. If you notice any of these symptoms, it's crucial to take immediate action to protect your system and data.

How to Remove Trojan.Lsassdump.A

  1. Boot your computer in Safe Mode with Networking. This will help prevent the malware from loading and give you a cleaner environment to work in.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings that the Trojan might have installed.
  5. Reboot your computer and perform another full scan to ensure that the malware has been completely removed. Repeat this process until no more threats are detected.

Conclusion

The detection and removal of Trojan.Lsassdump.A require careful attention to detail and a systematic approach. By understanding how Trojans operate and following the steps outlined for removal, you can help protect your system and data from this and similar threats. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, can significantly reduce the risk of future infections.

Analysis Report

General information

Family Name: Trojan.Lsassdump.A
Signature status: No Signature

Known Samples

MD5: f72b5d42c1464896eefedeacbaed23b3
SHA1: 359ec53d6e2ea80d78d9f22de4a313fce83e9f34
SHA256: 7DAF030FF3DC5E74762F6434758C327D1F29DADC1261AEE40D0B7F44C9F2F4EE
File Size: 147.32 KB, 147320 bytes
MD5: 84ea43a294699037d9faebee9218835d
SHA1: 619610db21023463e0b0c50793f3b8c895cd4730
SHA256: 3EA2F8A84ED7141AD254A99DE02C89126C2E263246D865EB827CA06EA0057CCE
File Size: 203.78 KB, 203776 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 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • 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)

Digital Signatures

Signer Root Status
Microsoft Corporation Microsoft Code Signing PCA 2011 Hash Mismatch

File Traits

  • dll
  • fptable
  • No Version Info
  • ntdll
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 275
Potentially Malicious Blocks: 11
Whitelisted Blocks: 244
Unknown Blocks: 20

Visual Map

x ? ? ? 0 x ? ? ? ? 0 ? ? 0 0 ? ? 0 ? ? 0 ? 0 0 0 0 0 0 0 1 0 1 0 ? ? ? 0 0 0 ? 0 0 0 0 0 ? 0 0 0 0 x 0 0 0 0 0 x 0 x 0 0 x 0 x x 0 x x 0 x 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 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 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 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 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 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 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
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • REntS.G

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClose
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryVirtualMemory
Show More
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Other Suspicious
  • AdjustTokenPrivileges
User Data Access
  • GetUserName

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