Win32/Kryptik.EJHW

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

What is Win32/Kryptik.EJHW infection?

In this short article you will discover concerning the definition of Win32/Kryptik.EJHW and its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.EJHW infection will certainly instruct its targets to launch funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.EJHW Summary

These alterations can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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 files located on the victim’s hard drive — so the sufferer can no longer utilize the data;
  • Preventing regular accessibility to the target’s workstation;

Win32/Kryptik.EJHW

The most normal networks whereby Win32/Kryptik.EJHW Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that holds a harmful software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or avoid the tool from working in an appropriate fashion – while additionally placing a ransom note that points out the demand for the targets to effect the payment for the function of decrypting the papers or recovering the documents system back to the preliminary problem. In many circumstances, the ransom note will turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.EJHW distribution channels.

In different corners of the globe, Win32/Kryptik.EJHW expands by jumps as well as bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom quantity may vary depending on certain neighborhood (local) setups. The ransom notes as well as tricks of obtaining the ransom quantity might differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations concerning illegal material.

    In nations where software application piracy is less popular, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/Kryptik.EJHW popup alert may wrongly assert to be deriving from a police establishment as well as will certainly report having located youngster pornography or various other illegal information on the device.

    Win32/Kryptik.EJHW popup alert may wrongly assert to be deriving from a legislation enforcement institution and also will report having located kid pornography or various other unlawful information on the gadget. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 82EDBC43
md5: 2f77bb1df09399bbf67b7b6c1c69ec3c
name: 2F77BB1DF09399BBF67B7B6C1C69EC3C.mlw
sha1: b60a087570e1bd917df7d6f7169cfd27421db344
sha256: 29aa698f55a53070e502788072e48b116202b7e1880a6ca69aa13a06923525d5
sha512: 833bf0c1c39a7681f63e8a17f0124a308cf3654e5df416393023ff37a0b463fa4217ac168cca7f6bf1d667ab0de55eee500e7a178f22f550d88b3849848b966e
ssdeep: 12288:HpQ9QHk+xXfYIstu/ueywm4osdVBLeG4eK29:JQ9+vYIGmBm6dVBeUK29
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.EJHW also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004dd2741 )
Elasticmalicious (high confidence)
DrWebBackDoor.Meterpreter.35
CynetMalicious (score: 100)
ALYacGen:Variant.Ransom.WannaCryptor.25
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaRansom:Win32/Tescrypt.fa2d8305
K7GWTrojan ( 004dd2741 )
Cybereasonmalicious.df0939
CyrenW32/Trojan.KZIW-1568
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.EJHW
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.WannaCryptor.25
NANO-AntivirusTrojan.Win32.Qqrobber.eoilws
MicroWorld-eScanGen:Variant.Ransom.WannaCryptor.25
TencentMalware.Win32.Gencirc.114ac9a0
Ad-AwareGen:Variant.Ransom.WannaCryptor.25
SophosML/PE-A + Mal/Inject-K
BitDefenderThetaAI:Packer.5E5FAE451F
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CRYPTESLA.F117E3
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
FireEyeGeneric.mg.2f77bb1df09399bb
EmsisoftGen:Variant.Ransom.WannaCryptor.25 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Hijacker.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Tescrypt.A
ArcabitTrojan.Ransom.WannaCryptor.25
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Ransom.WannaCryptor.25
AhnLab-V3Trojan/Win32.WannaCryptor.R200588
McAfeeGenericRXBQ-HK!2F77BB1DF093
MAXmalware (ai score=98)
VBA32BScope.Trojan.Yakes
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_CRYPTESLA.F117E3
RisingWorm.Mydoom!8.10C (CLOUD)
IkarusTrojan-Banker.Agent
FortinetW32/Kryptik.EJHW!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Hijacker.HxQBnscA

How to remove Win32/Kryptik.EJHW 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.EJHW 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.EJHW 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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