Written by Robert Bailey

What is Trojan.Agent.FBYY infection?

In this article you will certainly find concerning the interpretation of Trojan.Agent.FBYY and its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a victim.

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Most of the cases, Trojan.Agent.FBYY infection will instruct its sufferers to launch funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the victim’s tool.

Trojan.Agent.FBYY Summary

These modifications can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Ciphering the papers situated on the sufferer’s disk drive — so the target can no more use the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains Ransom.Win32.Wacatac.oa Ransom.Win32.Wacatac.oa


One of the most normal networks where Trojan.Agent.FBYY are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a resource that organizes a destructive software application;

As soon as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or stop the tool from functioning in a correct manner – while also positioning a ransom note that points out the requirement for the targets to impact the payment for the function of decrypting the documents or recovering the file system back to the initial condition. In most instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has actually currently been damaged.

Trojan.Agent.FBYY distribution channels.

In different edges of the globe, Trojan.Agent.FBYY grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money quantity may differ relying on certain neighborhood (regional) settings. The ransom notes and also tricks of obtaining the ransom money quantity might differ depending on certain local (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s tool. The sharp then demands the customer to pay the ransom.

    Faulty declarations regarding unlawful material.

    In countries where software program piracy is less prominent, this approach is not as efficient for the cyber scams. Conversely, the Trojan.Agent.FBYY popup alert might incorrectly assert to be stemming from a law enforcement institution and will certainly report having located kid pornography or other prohibited information on the tool.

    Trojan.Agent.FBYY popup alert might falsely assert to be deriving from a regulation enforcement establishment and also will report having situated child pornography or various other unlawful data on the device. The alert will similarly consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 59A24CA2
md5: 5dc485bd9ea63279d7da0c0ac65775c9
name: 5DC485BD9EA63279D7DA0C0AC65775C9.mlw
sha1: f89527ee988e0f7cbfd872e4326052d5ea778054
sha256: a66bb9944f1630e745b926a08a6c2b0adb81e7149bcdbc380b152dff2e7d93e6
sha512: b0c32d678bd8f7fb790d406d886a1f670cac7f9a10e0912f3ecb503dbfba5c5f0cfa0026da31d383acec0e156d53af0d777debc0594919604fe6de1898b4835d
ssdeep: 12288:WPUFHYf81tRYzdde8vTsLtFezDqw/BfMF/0K:WPUFJtRivItsqou/
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright 2019
Assembly Version:
InternalName: InternalsVisibleToAttribute.exe
CompanyName: Pan Macmillan
LegalTrademarks: Pan Macmillan
Comments: Penguin Random House
ProductName: Piggy Book Project
FileDescription: Piggy Book Project
OriginalFilename: InternalsVisibleToAttribute.exe

Trojan.Agent.FBYY also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.FBYY
McAfee GenericRXNI-QF!5DC485BD9EA6
Sangfor Malware
K7AntiVirus Trojan ( 0057623b1 )
BitDefender Trojan.Agent.FBYY
K7GW Trojan ( 0057623b1 )
Cyren W32/MSIL_Kryptik.COP.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Kaspersky HEUR:Backdoor.MSIL.Remcos.gen
Alibaba Trojan:Win32/csharp.ali2000008
ViRobot Trojan.Win32.Z.Woreflint.753664
AegisLab Trojan.Win32.Generic.4!c
Ad-Aware Trojan.Agent.FBYY
Emsisoft Trojan.Agent.FBYY (B)
Comodo Malware@#13jni479gsnwa
F-Secure Trojan.TR/AD.LokiBot.olern
DrWeb Trojan.PackedNET.504
VIPRE Win32.Malware!Drop
McAfee-GW-Edition BehavesLike.Win32.Fareit.bc
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.Inject
Webroot W32.Trojan.Gen
Avira TR/AD.LokiBot.olern
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Trojan:Win32/Ymacco.AAA6
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Agent.FBYY
ZoneAlarm HEUR:Backdoor.MSIL.Remcos.gen
GData Trojan.Agent.FBYY
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.AgentTesla.R362965
BitDefenderTheta Gen:NN.ZemsilF.34760.Um0@amjt4Wo
ALYac Trojan.Agent.FBYY
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.MalPack.PNG.Generic
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Kryptik.ZHB
TrendMicro-HouseCall Trojan.MSIL.MALREP.THAAEBA
Tencent Msil.Backdoor.Remcos.Tafk
Yandex Trojan.AvsArher.bUSH7p
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Kryptik.ZGP!tr
AVG Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.PWS.d75

How to remove Trojan.Agent.FBYY ransomware?

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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Agent.FBYY 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.Agent.FBYY you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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