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

What is BAT/BadJoke.BZ infection?

In this post you will locate about the interpretation of BAT/BadJoke.BZ as well as its negative influence on your computer system. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom money by a victim.

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In the majority of the situations, BAT/BadJoke.BZ virus will certainly instruct its victims to start funds move for the function of counteracting the modifications that the Trojan infection has presented to the victim’s tool.

BAT/BadJoke.BZ Summary

These alterations can be as adheres to:

  • A process created a hidden window;
  • 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.
  • Ciphering the papers found on the victim’s disk drive — so the victim can no longer utilize the information;
  • Preventing regular accessibility to the victim’s workstation;


The most regular networks through which BAT/BadJoke.BZ Trojans are infused are:

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

As soon as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the gadget from operating in a proper manner – while additionally placing a ransom money note that mentions the requirement for the sufferers to impact the settlement for the purpose of decrypting the records or restoring the documents system back to the first condition. In most circumstances, the ransom money note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

BAT/BadJoke.BZ circulation channels.

In different corners of the globe, BAT/BadJoke.BZ grows by jumps and bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom amount might differ depending on specific neighborhood (regional) settings. The ransom notes and methods of obtaining the ransom amount may differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s tool. The alert then requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software piracy is less prominent, this method is not as efficient for the cyber frauds. Conversely, the BAT/BadJoke.BZ popup alert may wrongly claim to be originating from a police organization as well as will certainly report having located youngster porn or various other unlawful information on the device.

    BAT/BadJoke.BZ popup alert might falsely assert to be acquiring from a law enforcement institution as well as will report having situated child porn or various other unlawful information on the gadget. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 534702E2
md5: 171993486cf6931ca2bbfb024813d8e6
name: 171993486CF6931CA2BBFB024813D8E6.mlw
sha1: efb465e303c72004358f42984ab58b62ca486806
sha256: 8767e2771e0b0bb55757449bd88a9f9f328d291a3927ae25d7bf55ba24727377
sha512: ebf766b22cad619e1f32a5bd8655ce7a02101880ef901e28e2518dd2d92c0b0bb2e5bc83293882e4ab4d420ae2862640b97c74348d1c706eacdc906f36e84414
ssdeep: 1536:D7fPGykbOqjoHm4pICdfkLtAfupcWX50MxFY+yIOlnToIfdx0DN:fq6+ouCpk2mpcWJ0r+QNTBfdIN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

BAT/BadJoke.BZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005015ae1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.GenericPMF.S17666681
ALYac Trojan.GenericKD.36898567
Cylance Unsafe
Zillya Tool.Lazagne.Win32.102
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Trojan:BAT/Folders.1036cc42
K7GW Trojan ( 005015ae1 )
Cybereason malicious.303c72
Symantec ML.Attribute.HighConfidence
Zoner Trojan.Win32.85523
APEX Malicious
Avast BV:Deleter-DO [Trj]
Kaspersky Trojan.BAT.Folders.g
BitDefender Trojan.GenericKD.36898567
ViRobot Trojan.Win32.Z.Powershell.90624.C
MicroWorld-eScan Trojan.GenericKD.36898567
Tencent Bat.Trojan.Folders.Dvzt
Ad-Aware Trojan.GenericKD.36898567
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0DEE21
Emsisoft Trojan.GenericKD.36898567 (B)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_73%
Antiy-AVL Trojan/Generic.ASMalwS.2B9EB3B
Microsoft Trojan:BAT/Delwin.AK
Arcabit Trojan.Generic.D2330707
AegisLab Trojan.Win32.Tiny.trFe
GData Win32.Trojan.PSE.DR6CWW
TACHYON Trojan/W32.Bsymem.90624
AhnLab-V3 Malware/Gen.Reputation.C4342026
Acronis suspicious
McAfee RDN/Generic.grp
MAX malware (ai score=87)
VBA32 Trojan.BAT.Folders
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0DEE21
Rising [email protected] (RDMK:3QoboGBXJIoBSpc11ffPSA)
Ikarus Trojan.PowerShell.Crypt
MaxSecure Trojan.Malware.8603484.susgen
Fortinet BAT/Folders.G!tr
AVG BV:Deleter-DO [Trj]

How to remove BAT/BadJoke.BZ 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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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 BAT/BadJoke.BZ 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 BAT/BadJoke.BZ 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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