Win32/Kryptik.HKSU

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

What is Win32/Kryptik.HKSU infection?

In this short article you will certainly find regarding the definition of Win32/Kryptik.HKSU and its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line frauds to require paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.HKSU ransomware will certainly instruct its sufferers to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.HKSU Summary

These alterations can be as follows:

  • 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 attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • Unconventionial language used in binary resources: Malay (Brunei Darussalam);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Writes a potential ransom message to disk;
  • 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 located on the victim’s hard disk — so the victim can no longer utilize the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
api.2ip.uaWin32.Trojan-Ransom.STOP.3KU7HX
jfus.topWin32.Trojan-Ransom.STOP.3KU7HX

Win32/Kryptik.HKSU

One of the most regular channels through which Win32/Kryptik.HKSU are injected are:

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

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or prevent the gadget from functioning in an appropriate way – while additionally placing a ransom note that points out the need for the victims to effect the repayment for the purpose of decrypting the documents or bring back the data system back to the preliminary problem. In the majority of instances, the ransom note will show up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.HKSU circulation channels.

In various corners of the world, Win32/Kryptik.HKSU expands by leaps and also bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom amount might vary relying on particular regional (regional) settings. The ransom notes and also techniques of extorting the ransom money amount might vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In particular locations, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the customer to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software application piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.HKSU popup alert may falsely claim to be originating from a law enforcement establishment and will report having located youngster porn or various other unlawful data on the device.

    Win32/Kryptik.HKSU popup alert may falsely declare to be acquiring from a law enforcement institution and will certainly report having situated child pornography or other illegal information on the tool. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 3CCFDDAD
md5: 3273348793ce07669029002d75dd8537
name: 3273348793CE07669029002D75DD8537.mlw
sha1: 569b75917dba0c6e8c3b45cae6f66e1258316b57
sha256: 2fb3d980507741c8bbe5ddaa3ccee423d774bb9ec2f1c21c74b2eef05a5c62c1
sha512: c7cc20fef710d595dbe7d07e0cbbd78da2a44695ca26f84079e20cecdc03ae10ce10dcdfe5d8c9547e6ef3e417bf7fa62e20410057069201f372f81071de85f1
ssdeep: 24576:nRguPthdB32a+di3WqdaTbftfm6Wy+RBE:qCuBY/a/fI69kBE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersus: 1.9.37.29
FileVersion: 1.0.52.18
Translations: 0x0386 0x010e

Win32/Kryptik.HKSU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop16.48384
CynetMalicious (score: 100)
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Application/Obfuscated.b7e46be6
Cybereasonmalicious.17dba0
CyrenW32/Kryptik.EAC.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HKSU
APEXMalicious
AvastFileRepMalware
KasperskyUDS:DangerousObject.Multi.Generic
SophosML/PE-A
BitDefenderThetaGen:NN.ZexaF.34688.Zq0@auc4uClO
McAfee-GW-EditionBehavesLike.Win32.Emotet.cc
FireEyeGeneric.mg.3273348793ce0766
eGambitUnsafe.AI_Score_86%
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Wacatac.B!ml
AegisLabTrojan.Multi.GenericML.4!c
ZoneAlarmUDS:DangerousObject.Multi.Generic
GDataWin32.Trojan-Ransom.STOP.3KU7HX
Acronissuspicious
McAfeeArtemis!3273348793CE
VBA32BScope.Backdoor.Convagent
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
RisingMalware.Undefined!8.C (CLOUD)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Win32/Kryptik.HKSU virus?

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.HKSU 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.HKSU 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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