TrojanDropper:Win32/Genasom.B

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

What is TrojanDropper:Win32/Genasom.B infection?

In this article you will find concerning the interpretation of TrojanDropper:Win32/Genasom.B as well as its negative effect on your computer. Such ransomware are a form of malware that is specified by on the internet fraudulences to demand paying the ransom by a sufferer.

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Most of the situations, TrojanDropper:Win32/Genasom.B infection will certainly advise its victims to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has presented to the sufferer’s tool.

TrojanDropper:Win32/Genasom.B Summary

These modifications 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.
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Ciphering the files located on the target’s hard drive — so the target can no more make use of the information;
  • Preventing normal 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.

TrojanDropper:Win32/Genasom.B

One of the most normal channels through which TrojanDropper:Win32/Genasom.B Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s computer or protect against the gadget from functioning in a proper fashion – while also positioning a ransom note that mentions the demand for the victims to effect the payment for the objective of decrypting the papers or recovering the data system back to the initial problem. In the majority of circumstances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been damaged.

TrojanDropper:Win32/Genasom.B circulation channels.

In different corners of the globe, TrojanDropper:Win32/Genasom.B expands by leaps as well as bounds. However, the ransom notes as well as tricks of obtaining the ransom quantity may differ depending upon particular neighborhood (regional) setups. The ransom money notes as well as techniques of obtaining the ransom money quantity may differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having found some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is less prominent, this method is not as efficient for the cyber fraudulences. Additionally, the TrojanDropper:Win32/Genasom.B popup alert might falsely assert to be originating from a law enforcement establishment as well as will report having located kid pornography or other illegal data on the device.

    TrojanDropper:Win32/Genasom.B popup alert might falsely declare to be obtaining from a legislation enforcement organization and will report having situated youngster porn or other prohibited data on the device. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 52C9F462
md5: b4fab056c1f11032f1a0eebf0d2acdfb
name: B4FAB056C1F11032F1A0EEBF0D2ACDFB.mlw
sha1: e244ff50af5c519e27cc4a522c5790aa48a4aca4
sha256: 6ff4bc3e3694a6ac2b6f1eb00bb5af0da659b1628b5c185639e02a177bbc91d5
sha512: 0cdf36fbb1aac8c5c155b587decb432a4365822ff11b77264453f78fab7cfc1e35cffa163157c420d5b996aea14b7c0a26eeccfda045022c0a0c38addfd47528
ssdeep: 3072:3m+jOUkALyx2Ga0e6YHbUtQ9VwnsLv/TadvgYjgiwHiO8ilAez8a+LSKN65FIN0:pSUFu2n0edUA1LmLxwk+CLHN65E0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2009
InternalName: Codec Install
FileVersion: 1, 23, 1, 5
ProductName: Codec Install
ProductVersion: 1, 23, 1, 5
FileDescription: Codec Install
OriginalFilename: Codec Install
Translation: 0x0419 0x04b0

TrojanDropper:Win32/Genasom.B also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0055e4091 )
Elasticmalicious (high confidence)
DrWebTrojan.Winlock.978
CynetMalicious (score: 100)
ALYacGen:Trojan.Heur.oq0@!39YWnik
CylanceUnsafe
ZillyaTrojan.LockScreen.Win32.8480
SangforTrojan.Win32.PornoBlocker.ky
AlibabaRansom:Win32/PornoBlocker.bf4c1ac6
K7GWTrojan ( 0055e4091 )
Cybereasonmalicious.6c1f11
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/LockScreen.JR
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Trojan.Heur.oq0@!39YWnik
NANO-AntivirusTrojan.Win32.PornoBlocker.cuage
MicroWorld-eScanGen:Trojan.Heur.oq0@!39YWnik
TencentWin32.Trojan.Pornoblocker.Phqg
Ad-AwareGen:Trojan.Heur.oq0@!39YWnik
SophosMal/Generic-S
F-SecureTrojan.TR/Crypt.ZPACK.Gen
BitDefenderThetaAI:Packer.F8EF7B5E1C
VIPRETrojan.Win32.Generic.pak!cobra
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.b4fab056c1f11032
EmsisoftGen:Trojan.Heur.oq0@!39YWnik (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojanDropper.Blocker.db
AviraTR/Crypt.ZPACK.Gen
eGambitGeneric.Malware
Antiy-AVLTrojan[Dropper]/Win32.Blocker
MicrosoftTrojanDropper:Win32/Genasom.B
ArcabitTrojan.Heur.EBD413
AegisLabTrojan.Win32.Blocker.b!c
ZoneAlarmTrojan-Ransom.Win32.PornoBlocker.ky
GDataGen:Trojan.Heur.oq0@!39YWnik
AhnLab-V3Trojan/Win32.PinkBlocker.C79358
Acronissuspicious
McAfeeGenericRXHL-GG!B4FAB056C1F1
MAXmalware (ai score=98)
VBA32BScope.Trojan.Bojotuc
MalwarebytesMalware.AI.596253126
PandaTrj/CI.A
RisingDropper.Genasom!8.130A (CLOUD)
YandexTrojan.GenAsa!EeUMpvjslzI
IkarusTrojan-Dropper.Win32.Blocker
FortinetW32/Generic.AC.2921D9!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.PornoBlocker.HwoCmi0A

How to remove TrojanDropper:Win32/Genasom.B virus?

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 TrojanDropper:Win32/Genasom.B 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 TrojanDropper:Win32/Genasom.B 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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