Win32/Kryptik.HEXN

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

What is Win32/Kryptik.HEXN infection?

In this post you will certainly locate concerning the meaning of Win32/Kryptik.HEXN and also its unfavorable influence on your computer system. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom money by a target.

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Most of the cases, Win32/Kryptik.HEXN ransomware will instruct its victims to start funds move for the purpose of neutralizing the changes that the Trojan infection has actually presented to the victim’s gadget.

Win32/Kryptik.HEXN Summary

These alterations 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.
  • 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 created a hidden window;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Attempts to access Bitcoin/ALTCoin wallets;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the target’s hard drive — so the target can no longer utilize the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Kryptik.HEXN

The most common channels through which Win32/Kryptik.HEXN Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a source that organizes a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or stop the gadget from working in an appropriate fashion – while likewise positioning a ransom note that mentions the requirement for the victims to effect the settlement for the function of decrypting the papers or restoring the data system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually already been harmed.

Win32/Kryptik.HEXN circulation networks.

In numerous edges of the world, Win32/Kryptik.HEXN expands by leaps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom amount might vary depending on specific regional (regional) setups. The ransom notes as well as tricks of obtaining the ransom amount might vary depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In certain locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The alert then demands the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In countries where software piracy is much less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.HEXN popup alert might falsely declare to be deriving from a police organization as well as will certainly report having located youngster pornography or various other prohibited information on the device.

    Win32/Kryptik.HEXN popup alert might wrongly assert to be obtaining from a regulation enforcement establishment and will certainly report having located youngster porn or various other illegal data on the device. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 4BA94193
md5: 749fed47952f92de5d2f8cf9787681f2
name: 749FED47952F92DE5D2F8CF9787681F2.mlw
sha1: cf960abc6eec91cc72fe02587a60a7886e9742a4
sha256: 29b609278f521134ba87b4fb5379b341891662916e1967740ad0c4190b3a1a40
sha512: 8d87b71ef44cbd34d48069ba94899c8c890c88d946b41e4aa926a2402887d7f7d8ebc65766e4ccddea9e3a9bd609c31d998d33ac1e8b19fb2e06e94234330bf2
ssdeep: 12288:5Htj6KWCNbn/dZ89Ma+a4OJUBUTdIaIXM:ptjHNbnUyQJIUTdhIXM
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2005-2015
InternalName: SmartRAM
FileVersion: 9.0.0.22
CompanyName: IObit
LegalTrademarks: IObit
Comments: Smart RAM
ProductName: Smart RAM
ProductVersion: 9.0.0.0
FileDescription: Monitors and Optimizes memory usage to increase available physical memory.
OriginalFilename: SmartRAM.exe
Translation: 0x0409 0x04e4

Win32/Kryptik.HEXN also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0054f2ec1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4691
CynetMalicious (score: 100)
ALYacTrojan.Mint.Zamg.O
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Cerber.110d57fe
K7GWTrojan ( 005114a51 )
Cybereasonmalicious.7952f9
CyrenW32/S-502d1467!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.HEXN
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-9760825-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Mint.Zamg.O
NANO-AntivirusTrojan.Win32.Zerber.ertepy
MicroWorld-eScanTrojan.Mint.Zamg.O
TencentMalware.Win32.Gencirc.10bb078b
Ad-AwareTrojan.Mint.Zamg.O
SophosML/PE-A + Mal/Cerber-AL
ComodoTrojWare.Win32.Bulta.GR@7k46qi
F-SecureHeuristic.HEUR/AGEN.1129194
BitDefenderThetaGen:NN.ZexaF.34608.Oq0@aaSKLQej
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPCERBER.SMALY5B
McAfee-GW-EditionBehavesLike.Win32.Dropper.jh
FireEyeGeneric.mg.749fed47952f92de
EmsisoftTrojan.Mint.Zamg.O (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1129194
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftRansom:Win32/Cerber.L!bit
ArcabitTrojan.Mint.Zamg.O
AegisLabTrojan.Win32.Zerber.toYR
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.Cerber.AL
AhnLab-V3Win-Trojan/Cerber.Exp
Acronissuspicious
McAfeeRansomware-GCQ!749FED47952F
MAXmalware (ai score=100)
VBA32Hoax.Zerber
MalwarebytesCerber.Ransom.Encrypt.DDS
PandaTrj/CI.A
TrendMicro-HouseCallRansom_HPCERBER.SMALY5B
RisingTrojan.Kryptik!1.AD41 (CLASSIC)
YandexTrojan.GenAsa!eYKLWLGfpyo
IkarusTrojan.Win32.Filecoder
FortinetW32/Zamg.O!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HxQBpgcA

How to remove Win32/Kryptik.HEXN 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.HEXN 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.HEXN 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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