Threat Database Trojans Trojan.Kryptik.YF

Trojan.Kryptik.YF

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 18,266
Threat Level: 80 % (High)
Infected Computers: 18
First Seen: April 27, 2021
Last Seen: June 12, 2026
OS(es) Affected: Windows

The detection of Trojan.Kryptik.YF on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational mechanisms, symptoms of infection, and most importantly, steps to remove it from your computer. It's crucial to approach this situation with caution and follow the recommended removal procedures to ensure the security and integrity of your data.

What Is Trojan.Kryptik.YF?

Trojan.Kryptik.YF is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to computer systems. They are designed to allow unauthorized access to the victim's system, enabling the perpetrator to steal sensitive information, disrupt operations, or use the infected computer as part of a larger network for malicious activities. The name "Trojan.Kryptik.YF" suggests it may involve encryption or stealth mechanisms to evade detection, but without specific details, it's essential to focus on general principles of Trojan removal and system security.

How Trojan.Kryptik.YF Operates

Trojan.Kryptik.YF, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, including opening malicious email attachments, downloading infected software, or visiting compromised websites. Once installed, it can create backdoors, allowing remote access to the attacker. It may also install additional malware, steal personal data, or disrupt system operations. Understanding how Trojans operate is key to preventing future infections and removing current threats.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely depending on the specific goals of the malware. Common signs include unusual system behavior, such as unexpected pop-ups, slow performance, or programs starting automatically. You might also notice changes in your browser settings or the presence of unfamiliar programs. Sometimes, infections can be asymptomatic, making regular system checks and the use of antivirus software crucial for detection.

How to Remove Trojan.Kryptik.YF

  1. Enter Safe Mode with Networking: This will help prevent the malware from loading and make it easier to remove. The process to enter Safe Mode can vary depending on your operating system version.
  2. Conduct a Full Scan with a Reputable Tool: Utilize a trusted antivirus or anti-malware tool, such as SpyHunter, to scan your system thoroughly. Ensure your tool is updated to increase the chances of detecting and removing the threat.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time you suspect the infection occurred.
  4. Reset Your Browsers: Resetting browsers like Chrome, Firefox, or Edge can help remove any malicious extensions or settings changes made by the Trojan. Each browser has a different process for resetting, so consult the browser's help section for instructions.
  5. Reboot and Re-scan: After taking the above steps, reboot your computer and perform another full scan with your antivirus tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Kryptik.YF requires careful and systematic steps to ensure your system's security and integrity. It's also a reminder of the importance of preventive measures, including keeping your operating system and software up to date, using strong antivirus protection, and being cautious with emails and downloads. By following the removal guide and maintaining good cybersecurity practices, you can protect your system from similar threats in the future and ensure a safe computing environment.

Analysis Report

General information

Family Name: Trojan.Kryptik.YF
Signature status: No Signature

Known Samples

MD5: 8f5b34a1a029815cdf3843ab99b1cbe9
SHA1: e4eca154093ed9b8edc0f4193cfc581692c0df82
SHA256: 84DD8FD00F3CB7AB33B91AE8ACBA6173D2B02EB02D50A5BF72349C55ECCA8911
File Size: 1.12 MB, 1118208 bytes
MD5: ca1d7ed88cc0f80e6bdd875e591d02da
SHA1: 77cedabdc6da30f0bb2ab79caeeef58f0c9cc07b
SHA256: 45710826EFF48DD28BF8E78432A0CE6A1132AA8DCF42530892633BD10C6F4065
File Size: 1.10 MB, 1097728 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • 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
  • 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
Comments Einwirkungen und Einwirkungskombinationen nach EN 1990
Company Name Friedrich + Lochner GmbH
File Description Einwirkungskombinationen
File Version 9, 0, 1, 3
Internal Name EN_1990_901
Legal Copyright © 2010 Friedrich + Lochner GmbH
Original Filename FLEN1990_901.dll
Private Build (intern)
Product Name Einwirkungskombinationen
Product Version 9, 0, 1, 3
Special Build FLEN1990_901

File Traits

  • 2+ executable sections
  • dll
  • x86

Block Information

Total Blocks: 2,905
Potentially Malicious Blocks: 203
Whitelisted Blocks: 2,117
Unknown Blocks: 585

Visual Map

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

Similar Families

  • Kraddare.ED

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!NtWaitForSingleObject
  • 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\e4eca154093ed9b8edc0f4193cfc581692c0df82_0001118208.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\77cedabdc6da30f0bb2ab79caeeef58f0c9cc07b_0001097728.,LiQMAxHB

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