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

What is Win32/VB.NJO infection?

In this short article you will find about the meaning of Win32/VB.NJO and its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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In the majority of the situations, Win32/VB.NJO ransomware will certainly advise its targets to launch funds move for the objective of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.

Win32/VB.NJO Summary

These alterations can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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 records found on the sufferer’s hard disk — so the sufferer can no longer utilize the data;
  • Preventing routine accessibility 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.


One of the most regular channels whereby Win32/VB.NJO Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a source that organizes a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or protect against the gadget from operating in an appropriate manner – while also placing a ransom note that discusses the requirement for the targets to effect the repayment for the function of decrypting the papers or restoring the file system back to the initial problem. In the majority of instances, the ransom note will show up when the client restarts the COMPUTER after the system has actually already been harmed.

Win32/VB.NJO distribution channels.

In various edges of the globe, Win32/VB.NJO expands by jumps and bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money quantity may differ relying on certain local (regional) setups. The ransom notes and techniques of extorting the ransom amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In certain locations, the Trojans often wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software application piracy is much less popular, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/VB.NJO popup alert might wrongly declare to be stemming from a police establishment and will certainly report having located youngster pornography or other unlawful information on the tool.

    Win32/VB.NJO popup alert may falsely declare to be acquiring from a legislation enforcement organization and will certainly report having situated child pornography or various other unlawful data on the gadget. The alert will likewise consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 8CDB8D5F
md5: 2a3381a1b4a2c74e4538939a57f7456c
name: 2A3381A1B4A2C74E4538939A57F7456C.mlw
sha1: 717dea34dfb5c2f59e61e2c8d00e7c91f91ea23c
sha256: ccbdca395a843faad64b98d92f669aa1c83ff075108e93f8afc157db75fd9614
sha512: c529a4c8e21957ece4fe9b44ca7efc8e1e63fd650d7a504f5e0bdb45c768f8632233d487cdcf5d9187c5bc7a769de26f08388a09968028a7cf35b604d43e531b
ssdeep: 768:QJo4AggSFM0kWc0AxV1ADmTlWTs/TQJXfOa9NJZ0pC/CX12yJ:QJ3ZgeM0kWA1ADmTlWQ/ciQSMyJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
ProductVersion: 1.00
InternalName: funy
FileVersion: 1.00
OriginalFilename: funy.exe
ProductName: RealWorm

Win32/VB.NJO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005640b91 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop3.9438
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.VBCrypt.MF.2108
ALYac Gen:Trojan.Heur.dm0@fLDB4Bhi
Cylance Unsafe
Zillya Trojan.Hesv.Win32.697
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 005640b91 )
Cybereason malicious.1b4a2c
Cyren W32/VBTrojan.17E!Maximus
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/VB.NJO
APEX Malicious
Avast Win32:VB-KZN [Wrm]
Kaspersky UDS:Trojan.Win32.Hesv.gen
BitDefender Gen:Trojan.Heur.dm0@fLDB4Bhi
NANO-Antivirus Trojan.Win32.VB.edtvhc
ViRobot Trojan.Win32.A.Cosmu.86016.E
SUPERAntiSpyware Worm.VB
MicroWorld-eScan Gen:Trojan.Heur.dm0@fLDB4Bhi
Tencent Malware.Win32.Gencirc.10b770a4
Ad-Aware Gen:Trojan.Heur.dm0@fLDB4Bhi
Sophos Mal/Generic-S
Comodo TrojWare.Win32.VB.IOK@54rlsj
BitDefenderTheta AI:Packer.5BB4EDE21C
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.Ransomware.kt
Emsisoft Gen:Trojan.Heur.dm0@fLDB4Bhi (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Cosmu.prx
Webroot W32.Malware.Gen
Avira TR/Cosmu.apw.3
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.10FC80E
Microsoft Program:Win32/Wacapew.C!ml
GData Gen:Trojan.Heur.dm0@fLDB4Bhi
AhnLab-V3 Win32/Autorun.worm.61440.AL
Acronis suspicious
McAfee Artemis!2A3381A1B4A2
MAX malware (ai score=84)
VBA32 SScope.Trojan.VBRA.12177
Malwarebytes Lamer.Virus.FileInfector.DDS
Rising Worm.VB!8.30 (C64:YzY0OqLSo+sGQpdz)
Ikarus Win32.Outbreak
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VB.NZK!tr
AVG Win32:VB-KZN [Wrm]

How to remove Win32/VB.NJO 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 Win32/VB.NJO 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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If the guide doesn’t help you to remove Win32/VB.NJO you can always ask me in the comments for getting help.

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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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