Threat Database Trojans Trojan.Agent.Gen.FMR

Trojan.Agent.Gen.FMR

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Popularity Rank: 26,769
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: September 16, 2026
Last Seen: September 28, 2026
OS(es) Affected: Windows

Trojan.Agent.Gen.FMR is a Trojan horse threat that targets Windows computers. Like other members of the broad Trojan.Agent detection family, it is designed to install itself without any visible warning and then carry out malicious actions in the background, while the user believes their system is working normally. It has been observed as an active threat, with a danger level rated high due to the level of control it can grant an attacker.

What Trojan.Agent.Gen.FMR does

Once active on a system, Trojan.Agent.Gen.FMR runs silently in the background, often disguising its executable under an innocent-looking program name so it blends in with legitimate software. It is capable of modifying files on the infected machine, including configuration-type files placed in program folders and shared data directories, which can help it persist or integrate with other processes. Because it is a GUI-based Windows application that does not rely on obvious packing, it can be harder for casual observation to flag as suspicious. More importantly, this type of Trojan is built to give remote attackers a level of control over the infected computer, potentially allowing them to view activity, retrieve information, or deploy further malicious actions on the machine.

How it usually gets onto computers

Trojan.Agent.Gen.FMR typically spreads the way most Trojans do: through deceptive downloads and malicious email attachments. It can arrive disguised as common file types such as .exe, .pif, .avi, or even .jpg files, tricking users into opening what looks like a harmless document, image, or program. It may also be delivered by exploiting unpatched vulnerabilities and security flaws on a system, or bundled with software downloaded from untrustworthy or compromised websites. In most cases, installation happens quietly, with no obvious prompts or warnings shown to the user.

Risks for the user

Because Trojans in this family are designed to grant attackers broad control over an infected machine, the risks can be serious. Possible consequences include theft of stored passwords and personal information, unauthorized changes to system settings, deletion or corruption of files, and ongoing monitoring of the user's activity. The presence of this Trojan may also open the door for additional malware to be installed afterward, further compromising the security and privacy of the device.

Signs of infection

Trojan.Agent.Gen.FMR is built to operate stealthily, so there may be few obvious symptoms. Users should still watch for warning signs typical of this threat category, such as:

  • Unexplained slowdowns or unusual CPU and memory usage
  • Unfamiliar processes or executable files appearing in system folders
  • Unexpected changes to system or application settings
  • New or modified configuration-type files appearing in program directories without explanation
  • Unusual network activity or the system behaving as if it is being accessed remotely

How to stay protected

Reducing the risk of infection starts with caution around downloads and email attachments, especially executable files or files with unexpected extensions arriving from unknown or untrusted sources. Keeping the operating system and installed software updated helps close the security vulnerabilities that Trojans like this one can exploit. It is also wise to avoid downloading software from unofficial or suspicious websites, back up important files regularly, and use reputable, up-to-date security software to scan the system and detect threats before they can cause damage. Staying alert to unusual system behavior and acting quickly if something seems off can also help limit the damage an infection like Trojan.Agent.Gen.FMR could otherwise cause.

Analysis Report

General information

Family Name: Trojan.Agent.Gen.FMR
Signature status: No Signature

Known Samples

MD5: 4c50f672db85076c7ae04179af794e64
SHA1: e797807df88ab5299867da0bc2f53f9105f1af64
SHA256: F4FCA18CA97257BCAE8A78B616D476EEF1C95BDFC5F493408BAF237C904FCB80
File Size: 703.49 KB, 703488 bytes
MD5: 2aaede83060e9101853bfcedfab60258
SHA1: 0081faa4ec9811d5a7913b283e41ff9ebba38903
SHA256: 096416EEF67DB13DC3C163ECFDB93ABE72783A2D23D82BA4175BF3FE542EA420
File Size: 785.92 KB, 785920 bytes
MD5: 6e4d9a5638e9d62d853397f8354e7a6a
SHA1: ebfd6f6f95d41b434814992a2d5bed7adedd7223
SHA256: 55FCCCC9C9B8A0546234F9AA2929A21BAADCB409D81E6EB92824D9F8A1192F69
File Size: 731.65 KB, 731648 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Company Name
  • ghieusheng LLC
  • nierdsioush LLP
  • streihlurraeg LLC
File Version
  • 2.2.35.5056
  • 2.2.29.2878
  • 1.2.31.4392
Internal Name
  • Ferryaurs.exe
  • oschuank.exe
  • Triuwnuact.exe
Original Filename
  • Ferryaurs.exe
  • oschuank.exe
  • Triuwnuact.exe
Product Name
  • Ferryaurs
  • oschuank
  • Triuwnuact
Product Version
  • 2.2.35.5056
  • 2.2.29.2878
  • 1.2.31.4392

File Traits

  • GetConsoleWindow
  • ntdll
  • x64

Block Information

Total Blocks: 591
Potentially Malicious Blocks: 44
Whitelisted Blocks: 445
Unknown Blocks: 102

Visual Map

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

Files Modified

File Attributes
c:\program files (x86)\python310\uiactaums.inf Generic Write,Read Attributes
c:\programdata\logitech\mccioumpeisp.inf Generic Write,Read Attributes
c:\programdata\waterways\troortyuiesk.inf Generic Write,Read Attributes

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWriteFile
  • UNKNOWN