Win32/GenCBL.OT

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

What is Win32/GenCBL.OT infection?

In this article you will certainly discover concerning the meaning of Win32/GenCBL.OT and also its adverse effect on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom by a target.

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Most of the situations, Win32/GenCBL.OT virus will advise its sufferers to start funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Win32/GenCBL.OT Summary

These alterations can be as complies with:

  • 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.
  • Presents an Authenticode digital signature;
  • 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.
  • 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
  • Created a service that was not started;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard disk drive — so the sufferer can no longer make use of the data;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/GenCBL.OT

One of the most normal channels whereby Win32/GenCBL.OT Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or protect against the device from working in a proper way – while additionally positioning a ransom money note that mentions the demand for the targets to impact the settlement for the purpose of decrypting the records or recovering the file system back to the preliminary problem. In many instances, the ransom note will show up when the client restarts the PC after the system has actually already been harmed.

Win32/GenCBL.OT distribution channels.

In different edges of the globe, Win32/GenCBL.OT expands by leaps as well as bounds. Nevertheless, the ransom notes and tricks of obtaining the ransom money amount may vary relying on certain neighborhood (local) settings. The ransom notes and also methods of obtaining the ransom quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty statements about unlawful content.

    In countries where software piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the Win32/GenCBL.OT popup alert may falsely declare to be originating from a law enforcement organization and also will certainly report having located youngster pornography or other illegal information on the device.

    Win32/GenCBL.OT popup alert might wrongly claim to be acquiring from a regulation enforcement organization as well as will certainly report having situated kid porn or various other illegal information on the tool. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 92534029
md5: d01a1e0a30821f8efa68edb0e908c47e
name: D01A1E0A30821F8EFA68EDB0E908C47E.mlw
sha1: 2f64c670a840ab49ae4dd2824dc89ac74103d92f
sha256: aba57bf3e798f491ef816d1b91cd5a7d81c72c725d2bd62e94346fc5028593f5
sha512: 51a481f30867bb8e17490f92d6fe3216b09eaa1f65956dd2765c28eb24318c7b398541e7780fd661befe74de71a740d9ffbecf9f95d47d42a131a100c1cb0064
ssdeep: 49152:K89O/9KLTQyAXeIo63KESOCuJ/EYoIvDybnZL8Wmb:3O/y0eI/PCu6YBE8W0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/GenCBL.OT also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Mint.Zamg.O
McAfeeArtemis!D01A1E0A3082
CylanceUnsafe
SangforMalware
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderTrojan.Mint.Zamg.O
K7GWTrojan ( 005746601 )
K7AntiVirusTrojan ( 005746601 )
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/GenCBL.OT
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan.Win32.Morphisil.gp
ViRobotTrojan.Win32.Z.Kryptik.2099544
Ad-AwareGen:Variant.Razy.801471
EmsisoftTrojan.Mint.Zamg.O (B)
F-SecureTrojan.TR/Bulta.szlbt
TrendMicroBackdoor.Win32.QAKBOT.THLOIBO
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.d01a1e0a30821f8e
SophosGeneric PUA CP (PUA)
SentinelOneStatic AI – Malicious PE
AviraTR/Bulta.szlbt
eGambitPE.Heur.InvalidSig
MAXmalware (ai score=83)
Antiy-AVLGrayWare/Win32.Kryptik.ehls
KingsoftWin32.Troj.Undef.(kcloud)
GridinsoftTrojan.Heur!.00012131
MicrosoftTrojan:Win32/Wacatac.B!ml
ZoneAlarmTrojan.Win32.Morphisil.gp
GDataWin32.Trojan.Kryptik.90N5LS
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.TrojanRansom.Encoder
ALYacTrojan.Agent.QakBot
MalwarebytesTrojan.MalPack.DGI.Generic
TrendMicro-HouseCallBackdoor.Win32.QAKBOT.THLOIBO
RisingTrojan.Kryptik!1.C73F (CLASSIC)
IkarusTrojan.Win32.Gencbl
FortinetW32/Kryptik.LFHG!tr
BitDefenderThetaGen:NN.ZexaF.34670.awX@amK@Yhji
AVGFileRepMalware
Cybereasonmalicious.0a840a
Qihoo-360Generic/HEUR/QVM20.1.CBA7.Malware.Gen

How to remove Win32/GenCBL.OT ransomware?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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/GenCBL.OT 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/GenCBL.OT 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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