Threat Database Trojans Trojan.Kryptik.Gen.GQI

Trojan.Kryptik.Gen.GQI

Trojan.Kryptik.Gen.GQI is a generic detection name used by security scanners to flag files that show behavior or code patterns commonly associated with trojan malware. The "Kryptik" label typically refers to threats that are packed, obfuscated, or encrypted in a way that makes their true purpose difficult to determine through simple inspection. Because this is a generic, heuristic-style detection, the exact capabilities of any single file flagged as Trojan.Kryptik.Gen.GQI can vary, but it should always be treated as a serious security risk.

What This Threat Does

Trojans in this family are designed to disguise themselves as legitimate or harmless files while secretly carrying out malicious actions in the background. Typical behavior associated with Kryptik-type trojans includes attempting to run automatically when the system starts, modifying system settings, and communicating with remote servers controlled by attackers. Some variants may be used to download and install additional malware, log user activity, steal stored credentials, or give an attacker remote access to the infected machine. Because the code is often obfuscated, the file may also try to evade detection by security software or delay its malicious activity to avoid triggering alarms.

How It Usually Gets Onto Computers

Like most trojans, this type of threat typically does not spread on its own. Instead, it usually relies on tricking users into installing it. Common infection paths for this category of malware include:

  • Email attachments or links in spam and phishing messages
  • Bundled downloads from unofficial or pirated software sources
  • Fake software updates or cracked application installers
  • Malicious advertisements or compromised websites
  • Files shared through peer-to-peer networks or removable drives

Risks for the User

If a file detected as Trojan.Kryptik.Gen.GQI is active on a system, it can expose the user to several risks. These commonly include theft of personal or financial information, unauthorized remote access to the computer, installation of further malware such as ransomware or spyware, and degraded system performance due to hidden background processes. In some cases, infected machines may be enlisted into larger networks of compromised computers without the owner's knowledge.

Signs of Infection

Because trojans in this family are built to stay hidden, infections are not always obvious. However, users may notice warning signs such as:

  • Unexpected slowdowns or high CPU/network usage
  • Unfamiliar processes running in the task manager
  • Security software being disabled or unable to update
  • Unusual pop-ups, redirects, or new browser settings
  • Unauthorized changes to system configurations

How to Stay Protected

To reduce the risk of encountering this type of trojan, users should avoid downloading software from untrusted or unofficial sources, be cautious with email attachments and links from unknown senders, and keep their operating system and applications updated with the latest security patches. Running reputable, up-to-date security software and performing regular system scans can help detect and remove threats like this before they cause serious harm. Maintaining current backups of important files also helps limit the damage if a system does become infected.

Analysis Report

General information

Family Name: Trojan.Kryptik.Gen.GQI
Signature status: No Signature

Known Samples

MD5: 450471a1dfcad56fd28191dd7b2f7807
SHA1: 7b0e3569f5d63900af7cbac2add4939c7dba1dbc
SHA256: DD9A00B662B8A6171542449D9A58DD8633B60659ED0EE1450B77ED8B2F5F9E83
File Size: 731.65 KB, 731648 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 Windows System Component
File Version 11.7.25477.46
Internal Name RuntimeBroker
Original Filename RuntimeBroker.exe
Product Name Microsoft Runtime Service
Product Version 11.7.25477.46

File Traits

  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 1,298
Potentially Malicious Blocks: 730
Whitelisted Blocks: 138
Unknown Blocks: 430

Visual Map

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

Similar Families

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
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  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetSecurityObject
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN