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

What is MSIL/BadJoke.HN infection?

In this short article you will certainly find regarding the definition of MSIL/BadJoke.HN as well as its adverse influence on your computer system. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom by a victim.

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Most of the cases, MSIL/BadJoke.HN ransomware will instruct its victims to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s gadget.

MSIL/BadJoke.HN Summary

These alterations can be as follows:

  • 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 found on the victim’s hard disk — so the target can no longer utilize the information;
  • 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


One of the most regular networks whereby MSIL/BadJoke.HN Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a malicious software;

As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s computer or protect against the device from functioning in a proper fashion – while likewise placing a ransom note that states the demand for the victims to effect the repayment for the function of decrypting the records or restoring the documents system back to the preliminary condition. In many circumstances, the ransom money note will certainly show up when the customer restarts the PC after the system has currently been harmed.

MSIL/BadJoke.HN distribution networks.

In numerous corners of the globe, MSIL/BadJoke.HN grows by jumps and also bounds. However, the ransom money notes and techniques of extorting the ransom money amount may differ depending upon specific regional (regional) setups. The ransom notes and techniques of extorting the ransom quantity might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s device. The alert then demands the customer to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software application piracy is much less prominent, this technique is not as effective for the cyber scams. Alternatively, the MSIL/BadJoke.HN popup alert might wrongly declare to be originating from a law enforcement establishment and also will certainly report having situated youngster porn or other prohibited data on the gadget.

    MSIL/BadJoke.HN popup alert may incorrectly claim to be obtaining from a legislation enforcement establishment and will certainly report having situated child pornography or other unlawful information on the device. The alert will likewise include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 048D22AF
md5: 151be9075dd13fd363f45a5d78bf2721
name: 151BE9075DD13FD363F45A5D78BF2721.mlw
sha1: 23155ec7cead0333d13fb9b684c5d2bff14c6f40
sha256: 0ef7953ea2126a087098363159d10cd3738781216977d2b993bf6e3c21b8806b
sha512: 92c28f20e7abba8c2fb3269a50f6e83fc1116e46b12da4aa4c615fc2e4ced788b37b87904573c742c6887c39dcb4b28c5abf1c06b1ed6f9b369d7e3e0b6f5fac
ssdeep: 384:f7vX1D7vX1+n9t3jX9NMGY1QZ3dLdt+fq39u8/tmmu2QqfhIb:Y3jNN7Y1Y1/4mu2Qyk
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2018
Assembly Version:
InternalName: saveuganda.exe
ProductName: saveuganda
FileDescription: saveuganda
OriginalFilename: saveuganda.exe

MSIL/BadJoke.HN also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0056a37a1 )
Cynet Malicious (score: 99)
ALYac Gen:Variant.Bulz.273557
Cylance Unsafe
Alibaba Trojan:MSIL/BadJoke.31c452bd
K7GW Trojan ( 0056a37a1 )
Cybereason malicious.75dd13
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Gen:Variant.Bulz.273557
NANO-Antivirus Trojan.Win32.PolyRansom.exdetd
MicroWorld-eScan Gen:Variant.Bulz.273557
Tencent Win32.Trojan.Generic.Dvgd
Ad-Aware Gen:Variant.Bulz.273557
Sophos Mal/Generic-S
Comodo Malware@#kbu36dcmuucg
BitDefenderTheta Gen:NN.ZemsilF.34686.bm0@aWn!he
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.cyj
Emsisoft Gen:Variant.Bulz.273557 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.AutoHK.m
Avira TR/Ransom.bczit
Microsoft Ransom:Win32/Genasom
Arcabit Trojan.Bulz.D42C95
AegisLab Trojan.Win32.Generic.j!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData Gen:Variant.Bulz.273557
McAfee Generic.cyj
MAX malware (ai score=87)
Panda Trj/GdSda.A
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Trojan.PolyRansom!MDdDXAb6MdM
Ikarus Trojan.MSIL.Small
Fortinet MSIL/BadJoke.HN!tr
AVG Win32:Malware-gen

How to remove MSIL/BadJoke.HN 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 MSIL/BadJoke.HN 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 MSIL/BadJoke.HN 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

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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