Win32/Kryptik.DWRD

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

What is Win32/Kryptik.DWRD infection?

In this article you will find concerning the interpretation of Win32/Kryptik.DWRD as well as its adverse influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet frauds to demand paying the ransom money by a sufferer.

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Most of the instances, Win32/Kryptik.DWRD infection will advise its victims to start funds transfer for the purpose of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.DWRD Summary

These alterations 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.
  • Compression (or decompression);
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Chinese (Hongkong);
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
  • 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 identify installed AV products by registry key;
  • 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 situated on the victim’s hard drive — so the victim can no longer use the data;
  • Preventing routine 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.

Win32/Kryptik.DWRD

One of the most normal networks where Win32/Kryptik.DWRD Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of user ending up on a source that organizes a malicious software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or avoid the gadget from functioning in an appropriate fashion – while likewise putting a ransom money note that states the requirement for the sufferers to impact the payment for the function of decrypting the papers or bring back the data system back to the preliminary problem. In a lot of instances, the ransom money note will certainly turn up when the client reboots the PC after the system has currently been harmed.

Win32/Kryptik.DWRD circulation channels.

In various corners of the globe, Win32/Kryptik.DWRD expands by leaps and bounds. However, the ransom money notes as well as techniques of extorting the ransom quantity might vary depending upon certain local (regional) setups. The ransom notes and methods of obtaining the ransom money amount might differ depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In certain areas, the Trojans often wrongfully report having found some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the customer to pay the ransom.

    Faulty statements concerning illegal web content.

    In countries where software application piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Conversely, the Win32/Kryptik.DWRD popup alert might incorrectly claim to be deriving from a police organization and also will certainly report having situated kid pornography or various other prohibited information on the device.

    Win32/Kryptik.DWRD popup alert might wrongly claim to be obtaining from a regulation enforcement establishment and also will report having located kid pornography or various other illegal information on the tool. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 907A6BC0
md5: 54bcf41f53085b004a070847e623fcd3
name: 54BCF41F53085B004A070847E623FCD3.mlw
sha1: d646c97f676ead19d6722eb5bfc73ea0098ec11d
sha256: 059911b76bb575a79ccdef1940869c6360c65a710d47257a3901cea805cef3be
sha512: da690447462f9bbc10484ff36f30784f6103fe42be6f1235bdb31212d07ae8b34ddbd2730ce4f44cb2f9a8d2f138704ac4c9d7b0e299dffb5bd9fa287c634908
ssdeep: 6144:cMJTbuEB33TmIoqWWiNO8cTjGtxBOgl5FvR6rnDzldxMZty9ljV5HEMy:c0T3jmVjW4O5TYrfFva1dxMZozjV5U
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Specialisms xa9 2010
InternalName: Shells
FileVersion: 178, 161, 189, 252
CompanyName: SNP Software
ProductName: Relative Peg
FileDescription: Puritans
OriginalFilename: Redox.exe

Win32/Kryptik.DWRD also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0055dd191 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.1955
CynetMalicious (score: 100)
CAT-QuickHealRansom.TeslaCrypt.WR4
CylanceUnsafe
ZillyaTrojan.Kryptik.Win32.794216
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Tescrypt.b5965c49
K7GWTrojan ( 0055dd191 )
Cybereasonmalicious.f53085
SymantecTrojan.Gen
ESET-NOD32a variant of Win32/Kryptik.DWRD
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Cripack.Gen.1
NANO-AntivirusTrojan.Win32.MlwGen.dxxuzi
MicroWorld-eScanTrojan.Cripack.Gen.1
TencentMalware.Win32.Gencirc.114c7ae4
Ad-AwareTrojan.Cripack.Gen.1
SophosML/PE-A + Troj/Ransom-BJY
ComodoMalware@#cmcsuqm53182
BitDefenderThetaGen:NN.ZexaF.34628.uq3@aeLsXjfH
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionTeslaCrypt.a!54BCF41F5308
FireEyeGeneric.mg.54bcf41f53085b00
EmsisoftTrojan.Cripack.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Yakes.dwd
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1135017
eGambitGeneric.Malware
MicrosoftRansom:Win32/Tescrypt.C
ArcabitTrojan.Cripack.Gen.1
AegisLabTrojan.Win32.Generic.4!c
GDataTrojan.Cripack.Gen.1
AhnLab-V3Trojan/Win32.Gen
McAfeeTeslaCrypt.a!54BCF41F5308
MAXmalware (ai score=100)
VBA32BScope.Trojan.Inject
PandaTrj/Genetic.gen
RisingRansom.Tescrypt!8.3AF (CLOUD)
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.EFAD!tr
AVGWin32:Malware-gen
Qihoo-360Win32/Ransom.Tescrypt.HxQBEpsA

How to remove Win32/Kryptik.DWRD virus?

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.DWRD 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.DWRD 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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