Win32/Kryptik.OWR

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

What is Win32/Kryptik.OWR infection?

In this article you will discover about the interpretation of Win32/Kryptik.OWR and also its negative impact on your computer. Such ransomware are a kind of malware that is clarified by online fraudulences to demand paying the ransom by a target.

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Most of the situations, Win32/Kryptik.OWR virus will instruct its targets to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s device.

Win32/Kryptik.OWR Summary

These modifications 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.
  • 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
  • Creates a copy of itself;
  • Ciphering the documents found on the victim’s hard disk — so the target can no longer make use of the data;
  • Preventing normal accessibility 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.

Win32/Kryptik.OWR

The most typical networks through which Win32/Kryptik.OWR are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a source that organizes a destructive software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or prevent the device from working in a proper fashion – while likewise positioning a ransom note that points out the demand for the sufferers to effect the settlement for the purpose of decrypting the papers or bring back the file system back to the preliminary condition. In most circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.OWR circulation channels.

In various corners of the world, Win32/Kryptik.OWR grows by jumps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom money quantity might vary depending on specific neighborhood (local) setups. The ransom money notes as well as techniques of obtaining the ransom quantity might vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications allowed on the victim’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software application piracy is much less preferred, this technique is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.OWR popup alert may falsely claim to be originating from a law enforcement organization and will report having located child pornography or other illegal data on the device.

    Win32/Kryptik.OWR popup alert might falsely assert to be deriving from a law enforcement establishment and will report having located youngster porn or other unlawful information on the gadget. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: FA6EE64C
md5: 4e4a88489a43f3b68f6b4f34d2d577cc
name: 4E4A88489A43F3B68F6B4F34D2D577CC.mlw
sha1: 22c3edb3faff08e82dc1ccde59867e440d33fca4
sha256: 9085a58714a4c62351b5c0a8351aefc490e51f80046e688252f90a007db0011f
sha512: fc9cca4701cc7642a30692e5514a6effb81841e7fb320ab73f9ad3a73336f36eb82a0f66c5a789f33e2663c5b479e973739fc2c7e0826b76752d856c699522af
ssdeep: 1536:n7sHCvaFI7N0NDHfHWtl5m0/CUEPTvwCEiZS+fCvITv12FYExV2VAK:nYwaF4yOQ0/Ar3Ei7fCv03Exe/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.OWR also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0056ea461 )
DrWebTrojan.Winlock.3523
CynetMalicious (score: 100)
ALYacGen:Heur.FKP.1
CylanceUnsafe
ZillyaTrojan.HmBlocker.Win32.2082
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Genasom.ca60a54e
K7GWTrojan ( 0056ea461 )
Cybereasonmalicious.89a43f
CyrenW32/Ransom.J.gen!Eldorado
SymantecTrojan.Ransomlock!gen2
ESET-NOD32a variant of Win32/Kryptik.OWR
APEXMalicious
AvastWin32:Mystic
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.FKP.1
NANO-AntivirusTrojan.Win32.HmBlocker.drcdc
SUPERAntiSpywareTrojan.Agent/Gen-FakeAV
MicroWorld-eScanGen:Heur.FKP.1
TencentWin32.Trojan.Generic.Peqc
Ad-AwareGen:Heur.FKP.1
SophosML/PE-A + Mal/FakeAV-MR
ComodoTrojWare.Win32.Trojan.Agent.~xtsa@3ymfaa
BitDefenderThetaGen:NN.ZexaF.34678.fu0@aGHK0wpQ
McAfee-GW-EditionFakeAV-SecurityTool.js
FireEyeGeneric.mg.4e4a88489a43f3b6
EmsisoftGen:Heur.FKP.1 (B)
SentinelOneStatic AI – Suspicious PE
WebrootW32.Rogue.Gen
AviraTR/Crypt.ZPACK.Gen
MicrosoftRansom:Win32/Genasom.DN
AegisLabTrojan.Win32.Timer.j!c
GDataGen:Heur.FKP.1
TACHYONTrojan/W32.HmBlocker.84992.B
McAfeeFakeAV-SecurityTool.js
MAXmalware (ai score=100)
VBA32Trojan.ExpProc.014
PandaGeneric Malware
RisingRansom.Genasom!8.293 (CLOUD)
YandexTrojan.HmBlocker!pX6RYqgiXKE
IkarusTrojan-Ransom.Timer
MaxSecureTrojan.Yakes.dwnc
FortinetW32/RansomTimer.fam!tr
AVGWin32:Mystic
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HxQBx0sA

How to remove Win32/Kryptik.OWR 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.OWR 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?

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