Win32/Kryptik.ONI

What is Win32/Kryptik.ONI infection?

In this post you will locate about the meaning of Win32/Kryptik.ONI as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.ONI virus will certainly advise its victims to launch funds move for the objective of counteracting the changes that the Trojan infection has introduced to the victim’s tool.

Win32/Kryptik.ONI 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.
  • 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.

  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Ciphering the papers located on the victim’s disk drive — so the sufferer can no more use the information;
  • Preventing normal access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Kryptik.ONI

One of the most common channels whereby Win32/Kryptik.ONI Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or prevent the device from working in an appropriate manner – while additionally putting a ransom note that states the demand for the targets to impact the payment for the purpose of decrypting the papers or restoring the documents system back to the initial problem. In most circumstances, the ransom money note will turn up when the client reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.ONI distribution channels.

In different edges of the globe, Win32/Kryptik.ONI grows by leaps and also bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity may differ relying on certain local (local) settings. The ransom notes as well as tricks of extorting the ransom money amount might differ depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In particular locations, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the target’s device. The alert after that requires the individual to pay the ransom.

    Faulty statements regarding prohibited content.

    In countries where software program piracy is much less prominent, this technique is not as efficient for the cyber frauds. Conversely, the Win32/Kryptik.ONI popup alert might incorrectly assert to be deriving from a law enforcement organization and also will certainly report having situated child pornography or various other prohibited information on the device.

    Win32/Kryptik.ONI popup alert may wrongly declare to be acquiring from a legislation enforcement institution and also will certainly report having situated child pornography or various other prohibited data on the device. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 298BDF98
md5: f9a17226f65eaaa1164b93bea40c129e
name: F9A17226F65EAAA1164B93BEA40C129E.mlw
sha1: 1a85418048a2c0d20ecbabd57b7130d2cc80675b
sha256: 6ad72c96c88f86eb1e28d171347a93de962d412ef16b8a941eea5658106fbe72
sha512: f6d1befdfd014a7a8539eacfd7d84d80cf49a8e1b7b9039bbd0039d6d16587e436ed1cc2956942c663ba81ae5dc9d2114d5e249e86038f9f03b3f1c1e2c80ac0
ssdeep: 1536:pKNUWsI/aaTZqbJ6sXzMF0kLr5hnvQ2SCNHTrBBuzXkeYZc3YoKJVPmrl:h4QUbFnnn42SQHHBEzkXOIZ2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.ONI also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0056ea461 )
DrWeb Trojan.MulDrop2.26706
Cynet Malicious (score: 100)
ALYac Gen:Heur.FKP.1
Cylance Unsafe
Zillya Trojan.HmBlocker.Win32.1773
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Genasom.bb0038ce
K7GW Trojan ( 0056ea461 )
Cybereason malicious.6f65ea
Cyren W32/Ransom.J.gen!Eldorado
Symantec Trojan.Ransomlock!gen2
ESET-NOD32 a variant of Win32/Kryptik.ONI
APEX Malicious
Avast Win32:Mystic
ClamAV Win.Trojan.Agent-374976
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.FKP.1
NANO-Antivirus Trojan.Win32.HmBlocker.falekp
ViRobot Trojan.Win32.A.Timer.83968.E
SUPERAntiSpyware Trojan.Agent/Gen-FakeAV
MicroWorld-eScan Gen:Heur.FKP.1
Tencent Win32.Trojan.Generic.Efkj
Ad-Aware Gen:Heur.FKP.1
Sophos ML/PE-A + Mal/EncPk-MP
Comodo Malware@#3cjjan9w3us0e
BitDefenderTheta Gen:NN.ZexaF.34686.fq0@aiFbospk
VIPRE Trojan.Win32.Ransom.do (v)
TrendMicro TROJ_FAKEAV.SMWR
McAfee-GW-Edition FakeAV-SecurityTool.js
FireEye Generic.mg.f9a17226f65eaaa1
Emsisoft Gen:Heur.FKP.1 (B)
SentinelOne Static AI – Suspicious PE
Webroot none
Avira TR/Crypt.ZPACK.Gen
Microsoft Ransom:Win32/Genasom.DN
Arcabit Trojan.FKP.1
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Heur.FKP.1
TACHYON Trojan/W32.Timer.83968.G
AhnLab-V3 Trojan/Win32.FakeAV.R5556
McAfee FakeAV-SecurityTool.js
MAX malware (ai score=100)
VBA32 Trojan.ExpProc.014
Panda Generic Malware
TrendMicro-HouseCall TROJ_FAKEAV.SMWR
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Trojan.HmBlocker!JZuLD//UyQo
Ikarus Trojan-Ransom.Timer
MaxSecure Trojan.Yakes.dwnc
Fortinet W32/RansomTimer.fam!tr
AVG Win32:Mystic

How to remove Win32/Kryptik.ONI 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.ONI 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.ONI 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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