Win32/Kryptik.EZHM

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

What is Win32/Kryptik.EZHM infection?

In this short article you will certainly find concerning the meaning of Win32/Kryptik.EZHM as well as its negative impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet frauds to require paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.EZHM infection will certainly instruct its victims to launch funds move for the function of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.EZHM Summary

These adjustments 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.
  • Enumerates user accounts on the system;
  • 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.;
  • 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.

  • A process created a hidden window;
  • 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;
  • Attempts to delete volume shadow copies;
  • 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!
  • Modifies boot configuration settings;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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 found on the target’s hard drive — so the victim can no more utilize the data;
  • 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.EZHM

The most regular channels whereby Win32/Kryptik.EZHM are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that hosts a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s computer or stop the device from working in an appropriate way – while likewise placing a ransom money note that discusses the need for the victims to effect the settlement for the purpose of decrypting the papers or bring back the file system back to the preliminary condition. In a lot of instances, the ransom note will show up when the client restarts the COMPUTER after the system has currently been damaged.

Win32/Kryptik.EZHM distribution networks.

In numerous corners of the world, Win32/Kryptik.EZHM grows by leaps and bounds. However, the ransom notes as well as tricks of extorting the ransom money amount may vary depending on particular neighborhood (regional) settings. The ransom money notes as well as tricks of obtaining the ransom amount might vary depending on particular regional (local) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the target’s gadget. The alert after that demands the individual to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software application piracy is less preferred, this approach is not as effective for the cyber scams. Additionally, the Win32/Kryptik.EZHM popup alert might wrongly assert to be stemming from a police institution as well as will certainly report having located child pornography or other prohibited data on the device.

    Win32/Kryptik.EZHM popup alert might incorrectly declare to be deriving from a regulation enforcement institution and also will report having situated youngster pornography or other illegal information on the device. The alert will similarly contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 96D3A60A
md5: a9c7be38ca675e8f54b9a57fe9c0642e
name: A9C7BE38CA675E8F54B9A57FE9C0642E.mlw
sha1: 858cf06db24fffa898fc64393eade38b2aade39a
sha256: 8b57cf4dcf5f0df7d78f4b012e2b41db9e1745eda0a98eb572266dff4450ba74
sha512: 9047051c7b47c0803780e035d2063dcdf7892491b0931250ce7b06e77b85766cc2d8848035e40a4698dac516c538c2680f911e0ce20ce1ce334aad56da6c8038
ssdeep: 3072:FC78bZCnls4VJ+gBo2Ex3yc+SFHe5D+N0EcQl:FL0lhJBqxCcFHwo0Ec2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Rubs
InternalName: steroid
FileVersion: 2.7.0.17375
CompanyName: Rubs
ProductName: steroid eclegme
ProductVersion: 2.7.0.17375
FileDescription: steroid prone rud
OriginalFilename: steroid.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.EZHM also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4691
CynetMalicious (score: 100)
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
ZillyaTrojan.Zerber.Win32.150
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Zerber.908f1b0e
K7GWTrojan ( 0055dd191 )
K7AntiVirusTrojan ( 0055dd191 )
CyrenW32/S-96963a3d!Eldorado
SymantecRansom.Cerber!gm
ESET-NOD32a variant of Win32/Kryptik.EZHM
APEXMalicious
AvastWin32:Trojan-gen
KasperskyTrojan-Ransom.Win32.Zerber.giq
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Encoder.edtxcd
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentMalware.Win32.Gencirc.114b6b03
Ad-AwareTrojan.Ransom.Cerber.1
SophosMal/Generic-S
ComodoMalware@#3lrf7oxbhb7v5
F-SecureHeuristic.HEUR/AGEN.1117628
BitDefenderThetaGen:NN.ZexaF.34608.gC1@a8b!Asni
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.a9c7be38ca675e8f
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Zerber.jy
AviraHEUR/AGEN.1117628
eGambitUnsafe.AI_Score_51%
Antiy-AVLTrojan[Ransom]/Win32.Zerber
MicrosoftRansom:Win32/Cerber.A
ArcabitTrojan.Ransom.Cerber.1
AegisLabTrojan.Win32.Zerber.j!c
ZoneAlarmTrojan-Ransom.Win32.Zerber.giq
GDataTrojan.Ransom.Cerber.1
Acronissuspicious
McAfeeArtemis!A9C7BE38CA67
MAXmalware (ai score=100)
VBA32BScope.TrojanPSW.Coins
MalwarebytesMalware.Heuristic.1003
PandaTrj/GdSda.A
RisingRansom.Zerber!8.518C (CLOUD)
YandexTrojan.Zerber!j+rRxNHK5wo
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.EYKI!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cerber.HgIASOgA

How to remove Win32/Kryptik.EZHM 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/Kryptik.EZHM 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/Kryptik.EZHM 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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