Win32/GenKryptik.BZSO

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

What is Win32/GenKryptik.BZSO infection?

In this post you will certainly find about the definition of Win32/GenKryptik.BZSO and its adverse effect on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom money by a target.

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In the majority of the cases, Win32/GenKryptik.BZSO virus will certainly instruct its targets to launch funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the victim’s gadget.

Win32/GenKryptik.BZSO Summary

These alterations can be as follows:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Detects VirtualBox through the presence of a library;
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 file;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s disk drive — so the sufferer can no more 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/GenKryptik.BZSO

The most normal channels whereby Win32/GenKryptik.BZSO Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a source that holds a destructive software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or stop the device from operating in a correct fashion – while additionally positioning a ransom money note that mentions the requirement for the targets to effect the payment for the purpose of decrypting the files or restoring the file system back to the preliminary problem. In many instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has currently been damaged.

Win32/GenKryptik.BZSO circulation networks.

In numerous corners of the world, Win32/GenKryptik.BZSO expands by jumps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom money amount might vary relying on certain regional (regional) settings. The ransom money notes and also methods of extorting the ransom quantity may vary depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software.

    In particular areas, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s device. The sharp then requires the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software program piracy is much less preferred, this method is not as efficient for the cyber scams. Additionally, the Win32/GenKryptik.BZSO popup alert might incorrectly declare to be originating from a law enforcement institution as well as will certainly report having situated youngster porn or other illegal information on the tool.

    Win32/GenKryptik.BZSO popup alert might wrongly claim to be obtaining from a legislation enforcement institution and will certainly report having situated kid porn or other unlawful data on the device. The alert will similarly have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 52A97594
md5: 18bec2f316182abd7c827829ffd74d8f
name: 18BEC2F316182ABD7C827829FFD74D8F.mlw
sha1: 9e88022b5365eb352ae9783d710ffc2023a82734
sha256: 8f7325b72250d4e2fb08644692add4fb2d24ca31d85c3fa297d4b641bf40d4b0
sha512: 1085b8526870a7d3573e07222e756485253256b66a9770d591ad3bf4c4476139bab28df5bd13dbb5e99f772776d42613ec8f3a587f57a4680104379e70a48412
ssdeep: 6144:qehCf+JHApHRl6p/eshruY9uRrxpIwvzLDjKTBd24z1yp/dOmYY6g:qehCGJHaxQAeuXEwvzLDjKTSv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductName: sss
FileVersion: 10.1.1.1
CompanyName: ggg
Translation: 0x0000 0x04b0

Win32/GenKryptik.BZSO also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.11536
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Crypton
Cylance Unsafe
Zillya Trojan.Nymaim.Win32.7238
Sangfor Trojan.Win32.Crypto.8
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Trojan:Win32/Nymaim.00147a06
K7GW Riskware ( 0040eff71 )
Cybereason malicious.316182
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.BZSO
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Nymaim.beuo
BitDefender Gen:Variant.Ransom.Crysis.30
NANO-Antivirus Trojan.Win32.Encoder.fcdfqc
ViRobot Trojan.Win32.S.CryptON.299520
MicroWorld-eScan Gen:Variant.Ransom.Crysis.30
Tencent Win32.Trojan.Nymaim.Eaeg
Ad-Aware Gen:Variant.Ransom.Crysis.30
Sophos Mal/Generic-S
Comodo Malware@#18v0rxdcdek0y
BitDefenderTheta Gen:NN.ZexaF.34678.su0@aWulDhdi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition PWSZbot-FANA!18BEC2F31618
FireEye Generic.mg.18bec2f316182abd
Emsisoft Gen:Variant.Ransom.Crysis.30 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira TR/AD.Bandarchor.yhvhu
Microsoft Trojan:Win32/Tiggre!rfn
GData Gen:Variant.Ransom.Crysis.30
TACHYON Ransom/W32.Crypton.299520
AhnLab-V3 Trojan/Win32.CryptON.C2504592
Acronis suspicious
McAfee PWSZbot-FANA!18BEC2F31618
MAX malware (ai score=95)
VBA32 BScope.Trojan.Encoder
Malwarebytes Malware.Heuristic.1008
Panda Trj/CI.A
Rising Trojan.Crypto!8.364 (CLOUD)
Yandex Trojan.GenAsa!WVsvzYLSUgs
Ikarus Trojan.Win32.Krypt
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/GenKryptik.CDXM!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/GenKryptik.BZSO 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 Win32/GenKryptik.BZSO 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/GenKryptik.BZSO 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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