Threat Database Trojans Trojan.ReverseShell.QB

Trojan.ReverseShell.QB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 15,405
Threat Level: 80 % (High)
Infected Computers: 4
First Seen: April 8, 2026
Last Seen: June 28, 2026
OS(es) Affected: Windows

The detection of Trojan.ReverseShell.QB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access and control. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.ReverseShell.QB?

Trojan.ReverseShell.QB is a type of Trojan horse malware that can create a reverse shell connection, allowing an attacker to access and control your system remotely. The name "Trojan" refers to the fact that this malware disguises itself as a legitimate program or file, making it difficult to detect. The "ReverseShell" part of the name indicates that it can create a reverse shell connection, which enables the attacker to send commands to your system and receive data in return.

How Trojan.ReverseShell.QB Operates

Once installed on your system, Trojan.ReverseShell.QB can operate in various ways, depending on the intentions of the attacker. It can create a backdoor that allows the attacker to access your system, steal sensitive information, install additional malware, or use your system as a botnet to conduct further malicious activities. The malware can also modify system settings, disable security software, and create new user accounts to maintain its presence on your system.

Symptoms of Infection

Identifying the symptoms of a Trojan.ReverseShell.QB infection can be challenging, as it often disguises itself as a legitimate program or file. However, some common indicators of infection include unusual system behavior, slow performance, unexpected pop-ups or ads, and unfamiliar programs or icons on your desktop. You may also notice that your system is connecting to unknown servers or transmitting data without your knowledge or consent.

  • Unexplained changes to system settings or security software
  • New, unfamiliar programs or icons on your desktop
  • Unexpected pop-ups or ads
  • Slow system performance or crashes
  • Unusual network activity or data transmission

How to Remove Trojan.ReverseShell.QB

  1. Restart your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove the malware.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  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 system and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.ReverseShell.QB from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and using reputable removal tools, you can effectively remove the malware and prevent further damage to your system. It is essential to remain vigilant and take proactive measures to protect your system from future malware infections, including keeping your operating system and software up to date, using strong antivirus software, and avoiding suspicious downloads or links.

Analysis Report

General information

Family Name: Trojan.ReverseShell.QB
Signature status: No Signature

Known Samples

MD5: dee62f6b131ca23940ec51701df7154c
SHA1: 458a87d8af348401cf6335a76c3c1ac999d5ae05
SHA256: B74F067D9363FAF3B6528914073908CD304799992D8B1611E213DBADE92127FC
File Size: 2.70 MB, 2699776 bytes
MD5: 37142e4f9e641e80a5a1c9310e49cc53
SHA1: d3dcb250bbbcae9479cff4da992e56053b061258
SHA256: 06403D557B2C9521627ED5550620AE37A61229B1AA306A43F98D99AAC183CABE
File Size: 2.70 MB, 2698752 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • 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
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  • 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
  • COM Surrogate
  • Paint
File Version 10.0.22621.1 (WinBuild.160101.0800)
Internal Name
  • dllhost.exe
  • MSPAINT
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename
  • dllhost.exe
  • MSPAINT.EXE
Product Name MicrosoftВ® WindowsВ® Operating System
Product Version 10.0.22621.1

File Traits

  • HighEntropy
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 106
Potentially Malicious Blocks: 9
Whitelisted Blocks: 95
Unknown Blocks: 2

Visual Map

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

Similar Families

  • Dropper.FY
  • Kryptik.FRZB
  • Kryptik.FRZC
  • Kryptik.FRZD
  • Kryptik.FRZG
Show More
  • Kryptik.FRZH
  • ReverseShell.QB
  • Trojan.Kryptik.Gen.EEY

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenEvent
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  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserName
Network Info Queried
  • GetAdaptersInfo

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