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

What is JokeTool.Agent infection?

In this short article you will discover about the definition of JokeTool.Agent and also its adverse effect on your computer system. Such ransomware are a type of malware that is clarified by on-line fraudulences to demand paying the ransom by a victim.

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Most of the instances, JokeTool.Agent infection will certainly advise its targets to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

JokeTool.Agent Summary

These adjustments 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.
  • Ciphering the papers situated on the sufferer’s disk drive — so the target can no longer use the data;
  • Preventing regular accessibility to the target’s workstation;


The most regular networks whereby JokeTool.Agent Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a source that holds a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s PC or protect against the tool from working in a correct fashion – while also putting a ransom note that states the requirement for the sufferers to impact the settlement for the function of decrypting the files or bring back the file system back to the initial problem. In the majority of instances, the ransom note will certainly show up when the client reboots the PC after the system has actually currently been damaged.

JokeTool.Agent circulation networks.

In different corners of the globe, JokeTool.Agent expands by leaps as well as bounds. Nevertheless, the ransom notes as well as methods of obtaining the ransom amount may vary depending upon certain local (regional) setups. The ransom notes as well as methods of extorting the ransom money quantity may vary depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually detected some unlicensed applications enabled on the victim’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software program piracy is much less popular, this method is not as reliable for the cyber frauds. Alternatively, the JokeTool.Agent popup alert might falsely declare to be deriving from a law enforcement institution as well as will certainly report having situated child porn or various other prohibited data on the tool.

    JokeTool.Agent popup alert may incorrectly claim to be acquiring from a legislation enforcement organization as well as will report having situated kid porn or various other unlawful data on the device. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: E069ED06
md5: 46111892fbe80afea272d8601d72f275
name: 46111892FBE80AFEA272D8601D72F275.mlw
sha1: 46a01aa999843c55eb8ef7031c1db0d23ee30342
sha256: 670b00e90a7c9eb7ac6674441551e7764a8364c26e44dcc92474a9abcfac4c04
sha512: bc91a493768bcd3f69da315e5f680d3db5f2854561e5b2c0eb56c092c39674475556644c9696b45b1903225feb99bd98f9766798a38998245cda0cd8ad997908
ssdeep: 1536:Hlmm7AHVNVHtbUL22Owt74OY4pN1pgn9zBSy77lk53t:rAHVNVNbsaO2B/kt
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version:
InternalName: BaFS Sample.exe
ProductName: BaFS Sample
FileDescription: BaFS Sample
OriginalFilename: BaFS Sample.exe

JokeTool.Agent also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053c75d1 )
DrWeb Trojan.Ransom.656
MicroWorld-eScan Gen:Variant.Application.Joke.3
CAT-QuickHeal Trojan.Application
Cylance Unsafe
Zillya Tool.FakeFilecoder.Win32.73
Sangfor Malware
CrowdStrike win/malicious_confidence_60% (W)
Alibaba Hoax:MSIL/FakeFilecoder.1ccaa6d6
K7GW Trojan ( 0053c75d1 )
Cybereason malicious.2fbe80
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Hoax.FakeFilecoder.CX
Avast Win32:Trojan-gen
GData Gen:Variant.Application.Joke.3
Kaspersky HEUR:Hoax.MSIL.FakeRansom.gen
BitDefender Gen:Variant.Application.Joke.3
NANO-Antivirus Trojan.Win32.Joke.fisaez
SUPERAntiSpyware Ransom.Locky/Variant
Tencent Msil.Risk.Hoax.Pall
Ad-Aware Gen:Variant.Application.Joke.3
Sophos Mal/Generic-S
Comodo Malware@#375ftheqpwqld
F-Secure Joke.JOKE/FakeFilecoder.ouvlf
BitDefenderTheta Gen:NN.ZemsilF.34106.hm0@aWXhuNb
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Trojan-FPHR!46111892FBE8
FireEye Gen:Variant.Application.Joke.3
Emsisoft Gen:Variant.Application.Joke.3 (B)
Webroot W32.Trojan.Gen
Avira JOKE/FakeFilecoder.ouvlf
Antiy-AVL HackTool[Hoax]/MSIL.FakeRansom
Microsoft Trojan:Win32/Sehyioa.A!cl
Jiangmin Hoax.MSIL.bax
Arcabit Trojan.Application.Joke.3
AegisLab Trojan.Win32.Joke.4!c
ZoneAlarm HEUR:Hoax.MSIL.FakeRansom.gen
McAfee Trojan-FPHR!46111892FBE8
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes JokeTool.Agent
Panda Trj/GdSda.A
Yandex Hoax.FakeFilecoder!
Ikarus Trojan.VB.Agent
MaxSecure Trojan.Malware.73812159.susgen
Fortinet Riskware/Filecoder
AVG Win32:Trojan-gen
Qihoo-360 HEUR/QVM03.0.5839.Malware.Gen

How to remove JokeTool.Agent 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 JokeTool.Agent 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 JokeTool.Agent 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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