What is Trojan.VBKrypt infection?

In this article you will locate regarding the definition of Trojan.VBKrypt and its adverse effect on your computer. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom by a sufferer.

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In the majority of the instances, Trojan.VBKrypt virus will instruct its sufferers to initiate funds move for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Trojan.VBKrypt 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.
  • 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 created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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
  • Detects VirtualBox through the presence of a registry key;
  • Ciphering the records located on the target’s hard disk drive — so the target can no more make use of the information;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most normal networks where Trojan.VBKrypt Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer winding up on a source that organizes a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or stop the tool from working in a proper fashion – while also placing a ransom money note that mentions the demand for the sufferers to impact the payment for the objective of decrypting the files or bring back the data system back to the initial condition. In the majority of circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has currently been harmed.

Trojan.VBKrypt circulation networks.

In various edges of the world, Trojan.VBKrypt expands by leaps as well as bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom money quantity might differ relying on particular local (regional) setups. The ransom money notes and techniques of extorting the ransom money quantity may differ depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert then requires the customer to pay the ransom.

    Faulty declarations about unlawful material.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber scams. Additionally, the Trojan.VBKrypt popup alert may incorrectly assert to be stemming from a police establishment as well as will report having located child porn or various other illegal information on the tool.

    Trojan.VBKrypt popup alert might wrongly claim to be obtaining from a legislation enforcement institution and will certainly report having situated kid porn or various other prohibited information on the device. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 4007C628
md5: 064b1e8092f93cec85ab341b41f1c428
name: 064B1E8092F93CEC85AB341B41F1C428.mlw
sha1: 0da9e2caaec0f5c46dd6b0ba1939ebb51d46ec46
sha256: 73c05c6e8445e717b409b6951f95d6d594757b0ade6fca37f448bf85b73919e9
sha512: cc9672c1fc582be6aefc4b21423dd30958ca5e5e7e2e23707ee91dc5a18aa9fefd9d58541bffcf0e49d1609c4cd137e1cb11b8b2f98ac365e4814c9c94c507de
ssdeep: 6144:XbfO3SlNyTkyhlx0kRujRYO4VYAtHJ3DFLjxIE++/gAxcbibMoS6:LfIST8kk0kMlCPTvXxKXoS6
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

Translation: 0x0409 0x04b0
InternalName: kqlmxuz
FileVersion: 21.13.0016
CompanyName: KOAZWMGRF
ProductName: DOCHPKYLY
ProductVersion: 21.13.0016
FileDescription: DSPNTBHBU
OriginalFilename: kqlmxuz.exe

Trojan.VBKrypt also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.379
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.VBCrypt.MF.8938
ALYac Gen:Heur.ManBat.1
Cylance Unsafe
Zillya Trojan.VBKrypt.Win32.109963
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.092f93
Cyren W32/VBcrypt.BA.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.574656-1
Kaspersky Trojan-Ransom.Win32.Blocker.iqmc
BitDefender Gen:Heur.ManBat.1
NANO-Antivirus Trojan.Win32.VBKrypt.csnmop
MicroWorld-eScan Gen:Heur.ManBat.1
Tencent Malware.Win32.Gencirc.10b61b1e
Ad-Aware Gen:Heur.ManBat.1
Sophos ML/PE-A + Mal/VB-UY
Comodo TrojWare.Win32.VBKrypt.cjb@4vg4ed
BitDefenderTheta AI:Packer.6AF46D7220
VIPRE Trojan.Win32.Vobfus.pck (v)
TrendMicro TROJ_SPNR.35DG13
McAfee-GW-Edition BehavesLike.Win32.PWSSpyeye.dc
Emsisoft Gen:Heur.ManBat.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/VBKrypt.bkee
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_98%
Microsoft Trojan:Win32/Dorv.A
AegisLab Trojan.Win32.VBKrypt.4!c
GData Gen:Heur.ManBat.1
AhnLab-V3 Trojan/Win32.VBKrypt.R55564
Acronis suspicious
McAfee PWS-Zbot-FAKQ!064B1E8092F9
MAX malware (ai score=83)
VBA32 SScope.Trojan.VBRA.6747
Malwarebytes Trojan.VBKrypt
Panda Generic Malware
TrendMicro-HouseCall TROJ_SPNR.15D613
Rising Backdoor.Agent!1.6A11 (CLOUD)
Yandex Backdoor.Agent!MyqHcZfbiQY
Ikarus Trojan-PWS.Win32.Zbot
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Injector.MQI!tr
AVG Win32:Malware-gen
Qihoo-360 HEUR/QVM18.1.6CD3.Malware.Gen

How to remove Trojan.VBKrypt 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 Trojan.VBKrypt 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.VBKrypt you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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