Win32/TrojanDownloader.Agent.FCS

What is Win32/TrojanDownloader.Agent.FCS infection?

In this article you will certainly locate concerning the interpretation of Win32/TrojanDownloader.Agent.FCS and also its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet frauds to demand paying the ransom money by a victim.

In the majority of the instances, Win32/TrojanDownloader.Agent.FCS infection will certainly instruct its victims to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the victim’s device.

Win32/TrojanDownloader.Agent.FCS Summary

These alterations can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s hard disk drive — so the target can no longer make use of the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom.Wannacry
a.tomx.xyz Ransom.Wannacry

Win32/TrojanDownloader.Agent.FCS

The most common networks where Win32/TrojanDownloader.Agent.FCS Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of customer winding up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or stop the tool from operating in a correct way – while likewise placing a ransom money note that points out the requirement for the victims to effect the settlement for the objective of decrypting the files or recovering the data system back to the initial condition. In many instances, the ransom note will certainly show up when the client restarts the PC after the system has currently been harmed.

Win32/TrojanDownloader.Agent.FCS distribution networks.

In numerous corners of the globe, Win32/TrojanDownloader.Agent.FCS expands by jumps as well as bounds. However, the ransom money notes and also techniques of obtaining the ransom money quantity might differ depending upon certain regional (local) settings. The ransom notes and also methods of extorting the ransom quantity might vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the target’s device. The sharp then requires the user to pay the ransom money.

    Faulty statements about illegal material.

    In countries where software application piracy is less popular, this approach is not as effective for the cyber fraudulences. Additionally, the Win32/TrojanDownloader.Agent.FCS popup alert might falsely claim to be stemming from a law enforcement organization as well as will certainly report having located youngster pornography or other illegal information on the device.

    Win32/TrojanDownloader.Agent.FCS popup alert may wrongly assert to be deriving from a regulation enforcement establishment and will report having located youngster porn or other illegal information on the tool. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 5002C75Fmd5: 17ac3dcf79b7938af72e49847eb4dd28name: upload_filesha1: 1568bbae6ba2891eccd90a5d9a1cc07a8cdcdd9csha256: 153bef45cb53558893aa7400b65c32c85a93675b2fd3920f7e1d12a7f5b2be1csha512: 29f8dd28e7969fc2bc57b3da3553a81542fb2c21cb0dd4cd9e393353f1bc1506f24218fb4eac8ca411d51de6b32f15585480d8607f73e3d7d5d7b85ea0934210ssdeep: 384:UVcg1NpTlPCbJgisoMibFlHum2GxjlsxpsqC0qfOJSqyM6i:UVjNpTlKNgtiWmxjaxpsOq2JSqj6type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0LegalCopyright: InternalName: FUKSEFileVersion: 1.00CompanyName: MagtComments: trosProductName: Nulpu3ProductVersion: 1.00FileDescription: NerveOriginalFilename: FUKSE.exe

Win32/TrojanDownloader.Agent.FCS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
FireEye Generic.mg.17ac3dcf79b7938a
CAT-QuickHeal Trojan.Vebzenpak
Qihoo-360 Win32/Trojan.a3e
ALYac Trojan.GenericKD.34350221
Malwarebytes Trojan.GuLoader.VB
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Vebzenpak.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.34350221
K7GW Riskware ( 0040eff71 )
TrendMicro Trojan.MSIL.AGENTTESLA.USXVPHA20
Symantec Ransom.Wannacry
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.Vebzenpak.yvk
Alibaba TrojanDownloader:Win32/Vebzenpak.c41e0e13
NANO-Antivirus Trojan.Win32.Vebzenpak.hrkfrv
ViRobot Trojan.Win32.Z.Guloader.36864
MicroWorld-eScan Trojan.GenericKD.34350221
Rising Downloader.Agent!8.B23 (C64:YzY0OqHGBOp6XUU6)
Ad-Aware Trojan.GenericKD.34350221
Comodo TrojWare.Win32.Agent.omeqp@0
F-Secure Trojan.TR/AD.VBCryptor.ttght
Sophos Mal/Generic-S
Cyren W32/Trojan.SKVP-6491
Webroot W32.Trojan.Gen
Avira TR/AD.VBCryptor.ttght
Fortinet W32/Guloader.VHJK!tr
Antiy-AVL Trojan/Win32.Vebzenpak
Arcabit Trojan.Generic.D20C248D
ZoneAlarm Trojan.Win32.Vebzenpak.yvk
Microsoft Trojan:Win32/Dynamer!rfn
McAfee Trojan-FSRH!17AC3DCF79B7
VBA32 TScope.Trojan.VB
Cylance Unsafe
ESET-NOD32 Win32/TrojanDownloader.Agent.FCS
TrendMicro-HouseCall Trojan.MSIL.AGENTTESLA.USXVPHA20
Tencent Win32.Trojan-downloader.Agent.Dzkm
MAX malware (ai score=82)
eGambit Unsafe.AI_Score_91%
GData Trojan.GenericKD.34350221
BitDefenderTheta Gen:NN.ZevbaF.34182.cm0@ai0w8Sgi
AVG Win32:DropperX-gen [Drp]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_60% (W)

How to remove Win32/TrojanDownloader.Agent.FCS ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/TrojanDownloader.Agent.FCS you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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