Win32/Kryptik.HKSS

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

What is Win32/Kryptik.HKSS infection?

In this short article you will certainly find about the definition of Win32/Kryptik.HKSS as well as its adverse impact on your computer. 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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In the majority of the instances, Win32/Kryptik.HKSS ransomware will certainly instruct its victims to launch funds transfer for the objective of counteracting the changes that the Trojan infection has actually presented to the target’s gadget.

Win32/Kryptik.HKSS Summary

These adjustments 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.
  • 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;
  • 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 papers found on the target’s hard disk — so the victim can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzHEUR:Trojan-Ransom.Win32.Stop.gen
a.tomx.xyzHEUR:Trojan-Ransom.Win32.Stop.gen
api.2ip.uaHEUR:Trojan-Ransom.Win32.Stop.gen
jfus.topHEUR:Trojan-Ransom.Win32.Stop.gen

Win32/Kryptik.HKSS

One of the most typical networks through which Win32/Kryptik.HKSS Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user winding up on a resource that hosts a malicious software;

As soon as the Trojan is successfully infused, it will either cipher the information on the victim’s computer or stop the device from operating in a correct way – while additionally putting a ransom money note that mentions the requirement for the sufferers to effect the payment for the objective of decrypting the records or restoring the data system back to the first problem. In a lot of circumstances, the ransom note will certainly come up when the customer restarts the PC after the system has already been damaged.

Win32/Kryptik.HKSS circulation networks.

In different corners of the globe, Win32/Kryptik.HKSS expands by leaps as well as bounds. Nonetheless, the ransom notes and methods of obtaining the ransom money amount might vary depending on specific local (regional) settings. The ransom notes and also techniques of extorting the ransom money amount might vary depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually found some unlicensed applications made it possible for on the target’s device. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about illegal material.

    In nations where software piracy is less popular, this method is not as reliable for the cyber frauds. Alternatively, the Win32/Kryptik.HKSS popup alert may incorrectly assert to be stemming from a law enforcement institution and also will report having located child pornography or various other illegal information on the gadget.

    Win32/Kryptik.HKSS popup alert may wrongly claim to be deriving from a legislation enforcement organization and will certainly report having located child pornography or various other unlawful data on the device. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 998B32C4
md5: 28020472b148b2fc5ffd056b7f8fea43
name: 28020472B148B2FC5FFD056B7F8FEA43.mlw
sha1: 133a341ca7cafa07485d7aade8c63780c39a87ea
sha256: a2cc7061a035063d8ac5790c38bd123a632d43a1af2514dea36d0c5aaf66d200
sha512: 990008d4c2847f3765b3246636629aef8b8f39aa34538efeb36443772c584f17788f7264bf6899f0e317974fa2635c73d6965d1e2c96e93f9f4c3a54bc72ce55
ssdeep: 24576:qksyhCaR3a/vpTbWoYo3lVr6cNpMEZCV3h:W/np1D3l9dPu
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.HKSS also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.33902
CynetMalicious (score: 100)
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
K7GWRiskware ( 0040eff71 )
CyrenW32/Kryptik.EAC.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HKSS
APEXMalicious
AvastFileRepMalware
KasperskyHEUR:Trojan-Ransom.Win32.Stop.gen
BitDefenderTrojan.GenericKD.46249036
MicroWorld-eScanTrojan.GenericKD.46249036
Ad-AwareTrojan.GenericKD.46249036
SophosMal/Generic-S
BitDefenderThetaGen:NN.ZexaF.34688.Zq0@aKqv2XoO
McAfee-GW-EditionBehavesLike.Win32.Emotet.cc
FireEyeGeneric.mg.28020472b148b2fc
EmsisoftTrojan.Agent (A)
SentinelOneStatic AI – Malicious PE
WebrootW32.Trojan.Gen
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Script/Phonzy.B!ml
AegisLabTrojan.Win32.Malicious.4!c
ZoneAlarmHEUR:Trojan-Ransom.Win32.Stop.gen
GDataTrojan.GenericKD.46249036
AhnLab-V3Trojan/Win.MalPE.R419166
Acronissuspicious
McAfeeArtemis!28020472B148
MAXmalware (ai score=89)
VBA32BScope.Backdoor.Convagent
PandaTrj/Genetic.gen
IkarusTrojan.Win32.Azorult
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.HKSS!tr
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Win32/Kryptik.HKSS 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.HKSS 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.HKSS 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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