Trojan:Win32/Genbhv

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

What is Trojan:Win32/Genbhv infection?

In this post you will certainly find concerning the definition of Trojan:Win32/Genbhv and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom by a victim.

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Most of the instances, Trojan:Win32/Genbhv virus will certainly instruct its victims to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s device.

Trojan:Win32/Genbhv Summary

These adjustments can be as adheres to:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • A potential decoy document was displayed to the user;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Collects information about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the target’s hard disk — so the sufferer can no more use the information;
  • 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.

Trojan:Win32/Genbhv

One of the most normal networks through which Trojan:Win32/Genbhv Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a resource that holds a harmful software;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or avoid the gadget from working in a correct way – while additionally positioning a ransom note that mentions the need for the sufferers to effect the payment for the purpose of decrypting the records or restoring the documents system back to the preliminary condition. In most circumstances, the ransom note will come up when the client reboots the PC after the system has already been damaged.

Trojan:Win32/Genbhv distribution channels.

In numerous corners of the globe, Trojan:Win32/Genbhv grows by jumps as well as bounds. Nevertheless, the ransom notes and techniques of extorting the ransom money quantity may vary relying on certain regional (regional) setups. The ransom notes and also methods of extorting the ransom money amount may vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the victim’s tool. The sharp then requires the user to pay the ransom.

    Faulty statements regarding unlawful material.

    In countries where software application piracy is less prominent, this approach is not as efficient for the cyber scams. Conversely, the Trojan:Win32/Genbhv popup alert might wrongly assert to be originating from a law enforcement institution and will certainly report having situated youngster porn or various other unlawful information on the tool.

    Trojan:Win32/Genbhv popup alert may falsely assert to be acquiring from a legislation enforcement institution and also will certainly report having situated kid porn or other prohibited information on the tool. The alert will similarly include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 764337B3
md5: 3b58e122d9e17121416b146daab4db9d
name: 3B58E122D9E17121416B146DAAB4DB9D.mlw
sha1: bd7b5c56f58db4a94c3097e8d7f78eaf51dbf335
sha256: 8f939e65e9ffedd16ae86687e154adbe607d56950d082778300039283f2f8330
sha512: ec052231e906259955d41816506fa8965c4e105d36e5e605e8abfb396bba2315998611760a9c3e9280edb51c94de3907ad2c2a4b5245e824e4bad5357fa75586
ssdeep: 6144:nc0h522p3l04ZMSmIp3Uy28uhyrgWUar3CearZan:Phxp3lZnT9bDffr3CeIan
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Genbhv also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Autoruns.GenericKDS.32580665
FireEyeGeneric.mg.3b58e122d9e17121
McAfeeRDN/Generic PWS.y
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Malicious.4!e
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.Autoruns.GenericKDS.32580665
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.2d9e17
BitDefenderThetaGen:NN.ZexaF.34590.emW@ae5iZ6g
CyrenW32/Blocker.XXGE-7141
SymantecTrojan.Gen.2
ESET-NOD32Win32/Spy.Agent.PHK
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.kiaf
AlibabaRansom:Win32/Blocker.483ef187
NANO-AntivirusTrojan.Win32.Mlw.etkeyq
ViRobotTrojan.Win32.S.Agent.311800
RisingSpyware.Agent!8.C6 (CLOUD)
Ad-AwareTrojan.Autoruns.GenericKDS.32580665
EmsisoftTrojan.Autoruns.GenericKDS.32580665 (B)
ComodoMalware@#2498hkkrnosiq
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.PWS.Spy.21531
ZillyaTrojan.Agent.Win32.911721
TrendMicroTrojan.Win32.ZAPCHAST.E
McAfee-GW-EditionBehavesLike.Win32.AdwareLinkury.fh
SophosMal/Generic-S
IkarusTrojan-Spy.Agent
JiangminTrojan.Zapchast.of
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Win32.TSGeneric
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Genbhv
ArcabitTrojan.Autoruns.GenericS.D1F12439
AhnLab-V3Trojan/Win32.Blocker.C1702255
ZoneAlarmTrojan-Ransom.Win32.Blocker.kiaf
GDataTrojan.Autoruns.GenericKDS.32580665
CynetMalicious (score: 100)
TotalDefenseWin32/FakeDoc_i
VBA32suspected of Trojan.Downloader.gen.h
ALYacTrojan.Ransom.Blocker.gen
MalwarebytesTrojan.Downloader
PandaTrj/CI.A
TrendMicro-HouseCallTrojan.Win32.ZAPCHAST.E
TencentWin32.Trojan.Blocker.Lkxs
YandexTrojanSpy.Agent!2HmBnH/Ypx0
MAXmalware (ai score=100)
FortinetW32/Mosaic.KIAF!tr
WebrootW32.Trojan.Gen
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Ransom.Blocker.HgIASOkA

How to remove Trojan:Win32/Genbhv virus?

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 Trojan:Win32/Genbhv 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 Trojan:Win32/Genbhv you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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