Win32/Kryptik.EZTV

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

What is Win32/Kryptik.EZTV infection?

In this short article you will certainly discover concerning the meaning of Win32/Kryptik.EZTV and also its unfavorable influence on your computer. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom by a sufferer.

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Most of the instances, Win32/Kryptik.EZTV infection will certainly advise its victims to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has introduced to the victim’s tool.

Win32/Kryptik.EZTV Summary

These alterations 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.
  • 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.;
  • 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.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Modifies boot configuration settings;
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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.
  • Attempts to identify installed AV products by installation directory;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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 documents found on the sufferer’s hard drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Kryptik.EZTV

One of the most typical channels where Win32/Kryptik.EZTV Ransomware are infused are:

  • By methods of phishing emails;
  • As an effect of user winding up on a source that organizes a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s PC or stop the gadget from functioning in a correct way – while also placing a ransom note that mentions the demand for the targets to effect the settlement for the purpose of decrypting the files or restoring the file system back to the preliminary condition. In a lot of instances, the ransom note will certainly turn up when the client restarts the PC after the system has already been harmed.

Win32/Kryptik.EZTV distribution channels.

In various corners of the globe, Win32/Kryptik.EZTV expands by leaps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom amount may vary relying on specific neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom quantity might vary depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations regarding prohibited content.

    In nations where software piracy is much less preferred, this method is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.EZTV popup alert might incorrectly declare to be deriving from a police institution and also will certainly report having located child porn or other prohibited data on the device.

    Win32/Kryptik.EZTV popup alert may falsely claim to be obtaining from a legislation enforcement organization and also will report having situated kid pornography or various other prohibited data on the gadget. The alert will likewise consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 58D8E295
md5: 47a0bb8de44749ddae85892fcc6062eb
name: 47A0BB8DE44749DDAE85892FCC6062EB.mlw
sha1: d5cc9527262c89a769a66155b5a9e7adcbca192d
sha256: cee72b095963e84d6c2429e8f4aabf8a1bf831586ff3ba18ca0e813c5f2ff307
sha512: 81042b9ac76bd8a37c0a7042900dc720713408f6d9ffdc4bde097bccfb24469e32a092cef9a752b0d5a1a94a442083325184e5294e5b00863d33193e57399e79
ssdeep: 6144:x/X05mLMfgnwvLnanCVy19/PnXn3nXnD9DKkaE:hE53No/xJa
type: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright: Copyrightxa9 2005-2014
InternalName:
FileVersion: 1.0.0.10
CompanyName: I Obit
LegalTrademarks: IObit
Comments:
ProductName: Advanced SystemCare
ProductVersion: 1.0.0.0
FileDescription: Advanced SystemCare Disk Defrag
OriginalFilename: DiskDefrag.exe
Translation: 0x0409 0x04e4

Win32/Kryptik.EZTV also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0052964f1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4794
CynetMalicious (score: 100)
ALYacGen:Variant.Strictor.218069
CylanceUnsafe
SangforRansom.Win32.Cerber_45.se
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0052964f1 )
Cybereasonmalicious.de4474
BaiduWin32.Trojan.Filecoder.q
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/Kryptik.EZTV
APEXMalicious
AvastWin32:Evo-gen [Susp]
ClamAVWin.Ransomware.Cerber-6931448-0
BitDefenderGen:Variant.Strictor.218069
NANO-AntivirusTrojan.Win32.Encoder.eqslis
MicroWorld-eScanGen:Variant.Strictor.218069
Ad-AwareGen:Variant.Strictor.218069
SophosML/PE-A + Mal/Ransom-EJ
ComodoTrojWare.Win32.Ransom.Cerber.DF@6pmlpr
BitDefenderThetaGen:NN.ZexaF.34608.qq0@ayJbSpkj
VIPRETrojan.Win32.Reveton.a (v)
TrendMicroRansom_CERBER.SMFD
McAfee-GW-EditionBehavesLike.Win32.AutoitDropper.dh
FireEyeGeneric.mg.47a0bb8de44749dd
EmsisoftGen:Variant.Strictor.218069 (B)
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Cerber.A
ArcabitTrojan.Strictor.D353D5
GDataGen:Variant.Strictor.218069
Acronissuspicious
McAfeePacked-MU!47A0BB8DE447
MAXmalware (ai score=89)
VBA32BScope.TrojanPSW.Papras
MalwarebytesMalware.Heuristic.1003
TrendMicro-HouseCallRansom_CERBER.SMFD
RisingMalware.Heuristic!ET#83% (RDMK:cmRtazpV3KiQqQPDp9nt39sAuR8w)
YandexTrojan.GenAsa!xK+BPGxVFz8
IkarusTrojan-Ransom.Cerber
FortinetW32/Dridex.DD!tr
AVGWin32:Evo-gen [Susp]

How to remove Win32/Kryptik.EZTV 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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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.EZTV 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.EZTV 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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