Win32/Kryptik.HDDY

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

What is Win32/Kryptik.HDDY infection?

In this article you will discover about the definition of Win32/Kryptik.HDDY as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom money by a target.

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In the majority of the cases, Win32/Kryptik.HDDY ransomware will certainly instruct its victims to initiate funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the target’s tool.

Win32/Kryptik.HDDY Summary

These modifications can be as adheres to:

  • 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.
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • 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.
  • Ciphering the records situated on the target’s hard disk — so the target can no more make use of the information;
  • Preventing routine accessibility 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.HDDY

One of the most typical networks where Win32/Kryptik.HDDY Trojans are infused are:

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

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the target’s PC or stop the gadget from working in an appropriate manner – while additionally positioning a ransom note that states the demand for the targets to effect the settlement for the function of decrypting the documents or restoring the file system back to the first condition. In many circumstances, the ransom money note will come up when the customer reboots the PC after the system has currently been harmed.

Win32/Kryptik.HDDY distribution channels.

In various corners of the globe, Win32/Kryptik.HDDY expands by leaps and bounds. Nevertheless, the ransom notes and methods of extorting the ransom money quantity may differ depending on particular regional (regional) settings. The ransom notes and tricks of obtaining the ransom quantity might differ depending on specific local (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s gadget. The alert after that requires the customer to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software application piracy is less popular, this method is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.HDDY popup alert may incorrectly declare to be stemming from a police organization and will report having located kid pornography or other illegal data on the device.

    Win32/Kryptik.HDDY popup alert might incorrectly assert to be deriving from a law enforcement establishment as well as will certainly report having located kid porn or other prohibited information on the gadget. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: FA053918
md5: a0e82680d6c73e18957cc7de1424efe7
name: 1737343778.exe
sha1: a149338d8275b92733223ae755d98b85815272d1
sha256: c89a16d617c7e36ceb6a42c306867b2464ede65f94e858484b8405b1497a2c72
sha512: 8945eda364404a2ee7ba755194cc146610865d67657d0a4b8441fc95c72417328267e70470a114ab8447cbf33a0bca8de3ad4c54e8452fd4d602c5ec3b8e9b72
ssdeep: 1536:Lga+nSNJZuCNkdqH93h99v3cP4wl434R/pA7/eNCA/bhcx3j:R+nSNJZfkdqdR9FcphU/SvDhcp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.HDDY also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware
MicroWorld-eScan Trojan.GenericKD.43113505
FireEye Generic.mg.a0e82680d6c73e18
McAfee Artemis!A0E82680D6C7
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005663431 )
BitDefender Trojan.GenericKD.43113505
K7GW Trojan ( 005663431 )
Cybereason malicious.d8275b
TrendMicro Ransom_Cryptor.R015C0WE820
BitDefenderTheta Gen:NN.ZexaF.34108.aHZ@aWldgIbi
APEX Malicious
Avast Win32:Trojan-gen
GData Win32.Trojan.Ilgergop.ETLI71
Kaspersky Trojan-Ransom.Win32.Cryptor.dhy
Alibaba Ransom:Win32/Cryptor.8d5a45f0
AegisLab Trojan.Win32.Malicious.4!c
Rising Trojan.Kryptik!8.8 (CLOUD)
Endgame malicious (high confidence)
Emsisoft Trojan.GenericKD.43113505 (B)
F-Secure Trojan.TR/AD.PhobosRansom.mzlsy
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Trojan.tz
Trapmine malicious.moderate.ml.score
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Hiloti
MaxSecure Virus.Patched.OF
Avira TR/AD.PhobosRansom.mzlsy
Antiy-AVL Trojan/Win32.Wacatac
Arcabit Trojan.Generic.D291DC21
ZoneAlarm Trojan-Ransom.Win32.Cryptor.dhy
Microsoft Trojan:Win32/Bomitag.D!ml
ALYac Trojan.GenericKD.43113505
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Ransom.Oled
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.HDDY
TrendMicro-HouseCall Ransom_Cryptor.R015C0WE820
Tencent Win32.Trojan.Cryptor.Lmui
SentinelOne DFI – Malicious PE
Fortinet W32/Cryptor.DHY!tr.ransom
Ad-Aware Trojan.GenericKD.43113505
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/HEUR/QVM19.1.0D5D.Malware.Gen

How to remove Win32/Kryptik.HDDY ransomware?

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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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/Kryptik.HDDY 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/Kryptik.HDDY 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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