Threat Database Trojans Trojan.CobaltStrike.UG

Trojan.CobaltStrike.UG

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: July 30, 2025
Last Seen: February 24, 2026
OS(es) Affected: Windows

The detection of Trojan.CobaltStrike.UG on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's crucial to understand the general nature of such threats and how to address them effectively.

What Is Trojan.CobaltStrike.UG?

Trojan.CobaltStrike.UG is identified as a Trojan-type threat. Trojans are a class of malware that disguise themselves as legitimate software but actually allow unauthorized access to a computer. They can be used to spy on users, steal data, install additional malware, or provide a backdoor for hackers to access the infected system remotely. The name "Trojan.CobaltStrike.UG" itself does not directly imply a specific malware family but indicates a detection related to a Trojan horse type of malware.

How Trojan.CobaltStrike.UG Operates

Trojan-type malware, like the one detected, typically operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading software from untrusted sources, clicking on malicious links, or opening infected email attachments. Once installed, the malware can perform a variety of malicious activities, including but not limited to, data theft, keylogging, and the installation of additional malware. These actions are often carried out without the user's knowledge, making Trojans particularly dangerous.

Symptoms of Infection

Identifying a Trojan infection can be challenging because they are designed to operate stealthily. However, some common symptoms may include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs and toolbars in your web browser. Additionally, you might notice that your antivirus software is disabled or that there are unfamiliar programs running in the background. These signs do not necessarily confirm the presence of Trojan.CobaltStrike.UG but indicate potential malware activity that warrants further investigation.

How to Remove Trojan.CobaltStrike.UG

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Conduct a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time your system became infected.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the system is clean.

Conclusion

Dealing with malware like Trojan.CobaltStrike.UG requires a combination of immediate action and preventive measures. By understanding how Trojans operate and following the steps outlined for removal, you can significantly reduce the risk of infection and protect your system and data. It's also crucial to maintain good cybersecurity practices, including keeping your operating system and software up to date, using strong, unique passwords, and being cautious when interacting with emails and downloads from unknown sources. Regular scans with reputable security software and a healthy dose of skepticism when online can go a long way in safeguarding your digital environment.

Analysis Report

General information

Family Name: Trojan.CobaltStrike.UG
Signature status: No Signature

Known Samples

MD5: e97cc7f6af0961682c9eb3e9cdcb79cf
SHA1: dbe1c612f46fdf93be2c9ae94b04d6168cc75dce
SHA256: 53A63C7CEBCC932F964FD420542D7C9F7B6F4819F07FFE10D195B0945C47739E
File Size: 292.35 KB, 292352 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • File is 64-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
  • 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
Company Name Microsoft Corporation
File Description Windows Application Verifier Automation DLL
File Version 10.0.22621.2428 (WinBuild.160101.0800)
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename vrfauto.dll
Product Name Microsoft® Windows® Operating System
Product Version 10.0.22621.2428

File Traits

  • dll
  • x64

Block Information

Total Blocks: 1,135
Potentially Malicious Blocks: 0
Whitelisted Blocks: 1,124
Unknown Blocks: 11

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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