Win32/GenKryptik.BGYB

Written by Robert Bailey

What is Win32/GenKryptik.BGYB infection?

In this short article you will certainly discover regarding the definition of Win32/GenKryptik.BGYB as well as its adverse influence on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom money by a target.

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In the majority of the cases, Win32/GenKryptik.BGYB infection will certainly advise its targets to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has introduced to the victim’s device.

Win32/GenKryptik.BGYB 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • 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.

  • Executed a process and injected code into it, probably while unpacking;
  • Detects VirtualBox through the presence of a library;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Creates a registry key or value with NUL characters to avoid detection with regedit;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Attempts to identify installed analysis tools by registry key;
  • Attempts to identify installed AV products by installation directory;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a file;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a file;
  • Detects VMware through the presence of a registry key;
  • Detects Virtual PC through the presence of a file;
  • Attempts to modify browser security settings;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the target can no more use the information;
  • Preventing regular 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.

Win32/GenKryptik.BGYB

The most normal networks through which Win32/GenKryptik.BGYB are infused are:

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

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or stop the tool from functioning in a proper way – while additionally putting a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the files or bring back the data system back to the preliminary condition. In a lot of instances, the ransom money note will certainly turn up when the customer restarts the PC after the system has currently been harmed.

Win32/GenKryptik.BGYB distribution networks.

In different corners of the globe, Win32/GenKryptik.BGYB expands by jumps as well as bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money amount may differ depending upon specific neighborhood (local) settings. The ransom notes as well as methods of extorting the ransom money amount might vary depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans usually wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The alert then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software piracy is less prominent, this technique is not as effective for the cyber fraudulences. Conversely, the Win32/GenKryptik.BGYB popup alert may falsely assert to be originating from a law enforcement institution and also will certainly report having situated child pornography or various other prohibited data on the gadget.

    Win32/GenKryptik.BGYB popup alert may wrongly assert to be acquiring from a legislation enforcement institution and also will report having located youngster porn or various other prohibited data on the gadget. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 6B39CB91
md5: adbc95948f76c7c2709db4a2cd7f4ede
name: ADBC95948F76C7C2709DB4A2CD7F4EDE.mlw
sha1: 38c5f54990756bde7dd46e63d3d392d4ce9508b8
sha256: dc23a1fe5dfb0ecffb1761c08d00aa38e76a18d3c03d79394238ddb0aec2ac59
sha512: f6d2df8ccbf45ae50fdf627a569f8518a87f5132abbb9c1a5e6902e00f19e3e742f3b4d314cd42cf4fa5b92a6f72ad8dff84fe7c05b7f450bb4997b4464ae054
ssdeep: 6144:uNovOv0vbV22O3bZFv/Zf+TpMGdI1NpsLjD5GQXJGZZHC6p0p:PU0vbVWFv5ipMLLaX4ZZi/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2006-2012
InternalName: Urbangyut 3
FileVersion: 3, 5, 3, 0
CompanyName: Urbangyut Project
Comments: Version 3.5.3
ProductName: Urbangyut
ProductVersion: 3, 5, 3, 0
FileDescription: Urbangyut FTP Client
OriginalFilename: urbangyut.exe
Translation: 0x0000 0x04b0

Win32/GenKryptik.BGYB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Banpak
ALYac GenPack:Trojan.Ransom.ASY
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Banpak.d9f08e6a
Cybereason malicious.48f76c
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.BGYB
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Banpak.adz
BitDefender GenPack:Trojan.Ransom.ASY
NANO-Antivirus Trojan.Win32.Banpak.evnzsc
MicroWorld-eScan GenPack:Trojan.Ransom.ASY
Tencent Win32.Trojan.Banpak.Lqoy
Ad-Aware GenPack:Trojan.Ransom.ASY
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Monder.gen@1gs5jk
BitDefenderTheta AI:Packer.8C5E1C3C21
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0GB121
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.fh
FireEye Generic.mg.adbc95948f76c7c2
Emsisoft GenPack:Trojan.Ransom.ASY (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Banpak.gv
Avira HEUR/AGEN.1124791
eGambit Unsafe.AI_Score_94%
Microsoft Trojan:Win32/Skeeyah.A!rfn
Arcabit GenPack:Trojan.Ransom.ASY
ZoneAlarm Trojan.Win32.Banpak.adz
GData GenPack:Trojan.Ransom.ASY
Acronis suspicious
McAfee Artemis!ADBC95948F76
MAX malware (ai score=100)
VBA32 Trojan.Banpak
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R002C0GB121
Rising Trojan.GenKryptik!8.AA55 (CLOUD)
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.FISM!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.eb5

How to remove Win32/GenKryptik.BGYB 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

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/GenKryptik.BGYB 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/GenKryptik.BGYB 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/products/

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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