What is Trojan.Win32.Fsysna.fbwx infection?

In this article you will discover concerning the interpretation of Trojan.Win32.Fsysna.fbwx as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom money by a victim.

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In the majority of the cases, Trojan.Win32.Fsysna.fbwx virus will instruct its targets to initiate funds move for the function of neutralizing the amendments that the Trojan infection has presented to the sufferer’s tool.

Trojan.Win32.Fsysna.fbwx Summary

These modifications 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.
  • Presents an Authenticode digital signature;
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Collects information about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard disk — so the target can no more make use of the information;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most normal channels where Trojan.Win32.Fsysna.fbwx are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that holds a destructive software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or prevent the gadget from working in a correct fashion – while likewise placing a ransom note that states the need for the sufferers to impact the repayment for the function of decrypting the documents or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom note will come up when the client reboots the PC after the system has already been harmed.

Trojan.Win32.Fsysna.fbwx distribution channels.

In numerous edges of the world, Trojan.Win32.Fsysna.fbwx grows by jumps and also bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money quantity might differ relying on particular neighborhood (regional) settings. The ransom money notes as well as tricks of extorting the ransom quantity may vary depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the customer to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is less popular, this approach is not as effective for the cyber frauds. Alternatively, the Trojan.Win32.Fsysna.fbwx popup alert might falsely claim to be originating from a police establishment as well as will certainly report having located child porn or various other illegal information on the device.

    Trojan.Win32.Fsysna.fbwx popup alert might incorrectly claim to be acquiring from a law enforcement organization as well as will certainly report having located child pornography or other illegal data on the device. The alert will likewise contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: FB0A3F76
md5: fc2d1d2825c42a11b56d6e5fd0ef0317
name: FC2D1D2825C42A11B56D6E5FD0EF0317.mlw
sha1: 321680c5760d9dac5ad5c2c6c0cd1bc638a50b15
sha256: 1e4b9f225ed46e67fdba49356d0aa837393f4c00b42bd84f7ffbba24c9810d6f
sha512: c70763ac0be9c9448d86a2c5ddfe2ecd8d392f312cbbdfc8fda39f3bc15500d68580c6c0698cb89578b8be54775a2d17f03edf1772c5a0481f4e35eaca798e21
ssdeep: 24576:1+MnNKtIhYR/76mf0HU8JLni1LjNvocD/0jnhqLKSM+Gxet:1+MNK2Y/92Lni11voc7MI2/x+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: ?.x01LegalCopyright
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
torAuthn.exe: j%x01ProductName
icrosoft Corporation. All rights reserved.: Hx10x01OriginalFilename
CompanyName: Microsoft Corporation
FileDescription: Windows Enhanced Storage Password Authentication Program
.7600.16385: D
rosoftxae Windowsxae Operating System: Bx0fx01ProductVersion
Translation: 0x0409 0x04b0

Trojan.Win32.Fsysna.fbwx also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005421f41 )
DrWeb Trojan.Encoder.858
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Fsysna
ALYac Trojan.Ransom.Shade
Cylance Unsafe
Zillya Trojan.Fsysna.Win32.17748
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Emotet.158
K7GW Trojan ( 005421f41 )
Cybereason malicious.825c42
Cyren W32/Trojan.BUF.gen!Eldorado
Symantec Downloader
ESET-NOD32 Win32/Filecoder.Shade.A
Zoner Trojan.Win32.78624
APEX Malicious
Avast Other:Malware-gen [Trj]
ClamAV Win.Ransomware.Shade-7598580-0
Kaspersky Trojan.Win32.Fsysna.fbwx
BitDefender Trojan.GenericKD.31889733
NANO-Antivirus Trojan.Win32.Fsysna.fpduuz
MicroWorld-eScan Trojan.GenericKD.31889733
Tencent Win32.Trojan.Filecoder.Ednp
Ad-Aware Trojan.GenericKD.31889733
Sophos ML/PE-A + Mal/Generic-L
Comodo TrojWare.Win32.TrickBot.EA@8h0vlj
BitDefenderTheta Gen:NN.ZexaF.34628.9q1@aiTUyEli
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.SHADE.SMB.hp
Emsisoft Trojan.GenericKD.31889733 (B)
Jiangmin Trojan.Fsysna.kip
Webroot Trojan.Dropper.Gen
Avira TR/AD.Troldesh.cciac
eGambit PE.Heur.InvalidSig
Microsoft Ransom:Win32/Shade.C
AegisLab Trojan.Win32.Generic.mDuT
GData Win32.Trojan-Ransom.Shade.E3RD4K
AhnLab-V3 Trojan/Win32.Agent.R266421
Acronis suspicious
McAfee Generic.bvv
MAX malware (ai score=100)
VBA32 BScope.Trojan.Fsysna
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/WLT.E
TrendMicro-HouseCall Ransom.Win32.SHADE.SMB.hp
Rising Ransom.Shade!8.12CC (KTSE)
Yandex Trojan.GenAsa!Y7i2PWwrBZo
Ikarus Trojan-Ransom.Crypted007
MaxSecure Trojan.Malware.74249920.susgen
Fortinet W32/Fsysna.A!tr.ransom
AVG Other:Malware-gen [Trj]
Qihoo-360 Win32/Ransom.Shade.HwoCvC8A

How to remove Trojan.Win32.Fsysna.fbwx virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for Trojan.Win32.Fsysna.fbwx files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Trojan.Win32.Fsysna.fbwx you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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