What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is JS/ExtenBro.FBook.FA infection?

In this short article you will locate regarding the meaning of JS/ExtenBro.FBook.FA as well as its adverse influence on your computer. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom by a sufferer.

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Most of the situations, JS/ExtenBro.FBook.FA ransomware will advise its targets to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s gadget.

JS/ExtenBro.FBook.FA Summary

These modifications can be as complies with:

  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the target’s hard disk — so the sufferer can no more make use of the information;
  • Preventing normal access to the sufferer’s workstation;

Related domains:

z.whorecord.xyz Trojan-Ransom.Win32.Crypmod.zfq
a.tomx.xyz Trojan-Ransom.Win32.Crypmod.zfq


One of the most common channels whereby JS/ExtenBro.FBook.FA are injected are:

  • By means of phishing emails;
  • As a consequence of user winding up on a source that hosts a malicious software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or avoid the device from working in an appropriate way – while also placing a ransom money note that mentions the need for the victims to effect the repayment for the objective of decrypting the papers or recovering the file system back to the first problem. In a lot of instances, the ransom money note will certainly turn up when the client restarts the PC after the system has currently been harmed.

JS/ExtenBro.FBook.FA circulation networks.

In various edges of the world, JS/ExtenBro.FBook.FA expands by leaps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom amount may differ relying on certain regional (regional) settings. The ransom money notes as well as techniques of extorting the ransom amount may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the target’s tool. The sharp then requires the user to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software piracy is less preferred, this approach is not as effective for the cyber frauds. Conversely, the JS/ExtenBro.FBook.FA popup alert may falsely declare to be originating from a law enforcement organization and also will report having located child pornography or other illegal data on the tool.

    JS/ExtenBro.FBook.FA popup alert might wrongly declare to be acquiring from a regulation enforcement organization and also will report having located kid porn or various other illegal data on the gadget. The alert will in a similar way have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 54BD1020
md5: e392eb4c8a02f03fe0552ca9d227d6e4
name: E392EB4C8A02F03FE0552CA9D227D6E4.mlw
sha1: 6f2e8b3d7f7381bc3aa3df8efd0785c9d0596742
sha256: d545bc0cc1149f0f8bf9c254db9eacc97e30b5718f25c0884b86c54ec6d22f63
sha512: ed77d102da27dfb1aaf3a4b1708465f38aa7dcbe47a7d3d9c69b5fccdc4dcdc3917f937c1dd57cb1d89c3bc39a494ba5373d8355c04eea8b500cdb56aac22ea8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: SarinciCode
FileDescription: Bex11feniHavuzu 7.0 Installation
FileVersion: 7.0
CompanyName: SarinciCode
Translation: 0x0409 0x04e4

JS/ExtenBro.FBook.FA also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Generic.4!c
DrWeb Trojan.MulDrop4.62438
ALYac Trojan.GenericKD.40591984
Cylance Unsafe
Alibaba Trojan:JS/FBook.445d7d8b
Cybereason malicious.c8a02f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 JS/ExtenBro.FBook.FA
APEX Malicious
Avast JS:BadExtension-AQ [Trj]
BitDefender Trojan.GenericKD.40591984
NANO-Antivirus Trojan.Win32.Drop.dorexq
MicroWorld-eScan Trojan.GenericKD.40591984
Tencent Win32.Trojan.Generic.Ajuw
Ad-Aware Trojan.GenericKD.40591984
Sophos Mal/Generic-S
Comodo Malware@#2n409y10jr022
McAfee-GW-Edition BehavesLike.Win32.Dropper.fh
FireEye Trojan.GenericKD.40591984
Emsisoft Trojan.GenericKD.40591984 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Dkvt
eGambit Unsafe.AI_Score_69%
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Generic.D26B6270
GData Trojan.GenericKD.40591984
AhnLab-V3 Malware/Win32.Generic.C2599547
McAfee Artemis!E392EB4C8A02
MAX malware (ai score=99)
VBA32 Trojan.MulDrop
Ikarus Worm.Win32.Msil
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
AVG JS:BadExtension-AQ [Trj]
Paloalto generic.ml

How to remove JS/ExtenBro.FBook.FA 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

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 JS/ExtenBro.FBook.FA 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove JS/ExtenBro.FBook.FA you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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