Written by Robert Bailey

What is Win32/BadJoke.FN infection?

In this article you will certainly locate about the definition of Win32/BadJoke.FN and its unfavorable influence on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom by a sufferer.

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Most of the situations, Win32/BadJoke.FN ransomware will certainly advise its targets to initiate funds move for the function of counteracting the amendments that the Trojan infection has actually presented to the target’s device.

Win32/BadJoke.FN Summary

These modifications can be as complies with:

  • Uses Windows utilities for basic functionality;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular accessibility to the target’s workstation;


One of the most common channels where Win32/BadJoke.FN Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a source that organizes a malicious software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or stop the gadget from functioning in an appropriate manner – while also putting a ransom note that discusses the requirement for the targets to effect the repayment for the objective of decrypting the papers or bring back the data system back to the initial problem. In a lot of instances, the ransom note will turn up when the customer restarts the PC after the system has actually currently been harmed.

Win32/BadJoke.FN distribution channels.

In various corners of the globe, Win32/BadJoke.FN expands by jumps and bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom money quantity may vary depending upon particular regional (regional) settings. The ransom money notes and tricks of obtaining the ransom money quantity may vary depending on certain regional (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In particular areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the target’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software application piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/BadJoke.FN popup alert may wrongly assert to be deriving from a police establishment as well as will certainly report having located child porn or other illegal data on the gadget.

    Win32/BadJoke.FN popup alert might falsely claim to be deriving from a regulation enforcement establishment and also will certainly report having situated child pornography or various other prohibited data on the tool. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: F0E6AFEB
md5: 431722fbce8d9e0666e7a93a1282f984
name: 431722FBCE8D9E0666E7A93A1282F984.mlw
sha1: 4258699febfa3c7084ed335cf61e3b2d026c43fc
sha256: 961a988b3416b4366ebd51d873d50840755b23a9f32f70fae2a20929e69dab02
sha512: 584196611cb47f1c45d135f579905518c3ebfec71544e79d7cb9339b8afeb731f1a69a96749f4fb3d8a62249379b516d156c0f16301b14331cca54b3944feb76
ssdeep: 24576:WFixErqV/c3pdlYFoYEvR/T5u6ewA6wfOo2SdXDNXKuE3/KBK5:Crsc3zPq2+xAKBK5
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/BadJoke.FN also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053bf111 )
Cylance Unsafe
Zillya Tool.FN.Win32.4
Alibaba Trojan:Win32/BadJoke.e5ca7aa9
K7GW Trojan ( 0053bf111 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/BadJoke.FN
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Encoder.jw
NANO-Antivirus Trojan.Win32.Encoder.fiflos
Tencent Win32.Trojan.Encoder.Ozid
Sophos Mal/Generic-S
Jiangmin Trojan.Encoder.du
Avira TR/Encoder.ocnbr
Microsoft Ransom:Win32/Genasom
AegisLab Trojan.Win32.Encoder.4!c
TACHYON Ransom/W32.Encoder.1564923
McAfee Artemis!431722FBCE8D
Rising Ransom.Encoder!8.FFD4 (CLOUD)
Ikarus Trojan.Win32.BadJoke
Fortinet W32/Encoder.JW!tr
AVG Win32:Malware-gen

How to remove Win32/BadJoke.FN 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 Win32/BadJoke.FN 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/BadJoke.FN 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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