Win32/Kryptik.GAYD

What is Win32/Kryptik.GAYD infection?

In this post you will discover about the interpretation of Win32/Kryptik.GAYD and its negative impact on your computer. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom money by a victim.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

Most of the instances, Win32/Kryptik.GAYD virus will certainly instruct its sufferers to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Win32/Kryptik.GAYD Summary

These modifications 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.
  • A process attempted to delay the analysis task.;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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;
  • 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
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the target’s hard drive — so the victim 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.

Win32/Kryptik.GAYD

One of the most typical networks where Win32/Kryptik.GAYD are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of customer ending up on a source that hosts a destructive software;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or prevent the tool from functioning in an appropriate manner – while additionally putting a ransom note that discusses the requirement for the sufferers to impact the payment for the purpose of decrypting the files or restoring the documents system back to the preliminary problem. In many circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually already been harmed.

Win32/Kryptik.GAYD distribution networks.

In numerous edges of the globe, Win32/Kryptik.GAYD grows by jumps and bounds. However, the ransom notes and also methods of obtaining the ransom money amount might vary depending on particular neighborhood (regional) settings. The ransom notes as well as methods of obtaining the ransom amount may vary depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert then requires the user to pay the ransom.

    Faulty statements about unlawful content.

    In countries where software application piracy is much less prominent, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.GAYD popup alert might wrongly assert to be deriving from a police institution and will certainly report having situated child porn or various other prohibited data on the gadget.

    Win32/Kryptik.GAYD popup alert might falsely assert to be acquiring from a legislation enforcement establishment and also will certainly report having located youngster porn or other unlawful data on the gadget. The alert will in a similar way have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: B6B2C3C2
md5: d87ce46aea7835ce237e72b02fcc13b0
name: D87CE46AEA7835CE237E72B02FCC13B0.mlw
sha1: 3f22e1b671d1eac825b175080c8eef9756defe79
sha256: b7dd2e8ba409112bc6b30231fac8fff14e04ea659f0751120d16048f85d17701
sha512: 06c578e410619651e814cb692cd5ba97ed05c4d31bd0eef441fecfd64e5f76af5e12e8b6a08d951577c42c1feea614a48cbf29afe25469c702a2a59029c4a2a3
ssdeep: 12288:ujqy/dVDg4ytRA11m7z+EwnXp91E1CHUHhFbd80ysgk//:yqPtRA1oK2Hbbd8ns1//
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, dfgdhfjk
InternalName: hrtoeruy.exe
FileVersion: 1.0.0.0
ProductVersion: 1.0.0.0
Translation: 0x0809 0x04b0

Win32/Kryptik.GAYD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop7.56388
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.BRMon.Gen.4
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.2754644
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/CerberCrypt.5d24f09f
K7GW Trojan ( 0053305e1 )
Cybereason malicious.aea783
Cyren W32/S-d9398ad0!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.GAYD
APEX Malicious
Avast FileRepMetagen [Malware]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.4
NANO-Antivirus Trojan.Win32.Jimmy.ewnnkb
MicroWorld-eScan Trojan.BRMon.Gen.4
Tencent Win32.Trojan-banker.Jimmy.Wsae
Ad-Aware Trojan.BRMon.Gen.4
Sophos ML/PE-A + Mal/Ransom-FN
Comodo TrojWare.Win32.Crypt.BI@7ggfa1
BitDefenderTheta Gen:NN.ZexaF.34628.Iu0@aivWcSgi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMONT
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
FireEye Generic.mg.d87ce46aea7835ce
Emsisoft Trojan.BRMon.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Banker.Jimmy.co
Avira HEUR/AGEN.1106533
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/CerberCrypt.SU!MTB
Arcabit Trojan.BRMon.Gen.4
GData Win32.Trojan-Ransom.GandCrab.N
AhnLab-V3 Win-Trojan/MalPe34.Suspicious.X2029
Acronis suspicious
McAfee Packed-ZG!D87CE46AEA78
MAX malware (ai score=99)
VBA32 BScope.Malware-Cryptor.Hlux
Malwarebytes Trojan.MalPack.Generic
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMONT
Rising Ransom.CerberCrypt!8.1227B (CLOUD)
Yandex Trojan.Agent!qtYrrBwm55Y
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.GandCrypt.Gen
Fortinet W32/Kryptik.GASG!tr.ransom
AVG FileRepMetagen [Malware]
Qihoo-360 Win32/Trojan.Generic.HwoC8n8A

How to remove Win32/Kryptik.GAYD 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/Kryptik.GAYD 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GAYD you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending

This site uses Akismet to reduce spam. Learn how your comment data is processed.