Win32/Kryptik.DQUU

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

What is Win32/Kryptik.DQUU infection?

In this article you will find about the interpretation of Win32/Kryptik.DQUU as well as its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the instances, Win32/Kryptik.DQUU infection will certainly instruct its targets to initiate funds move for the objective of counteracting the modifications that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.DQUU Summary

These adjustments 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Deletes its original binary from disk;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Ciphering the papers situated on the victim’s hard disk — so the sufferer can no more use the data;
  • Preventing routine accessibility to the sufferer’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.DQUU

One of the most regular channels through which Win32/Kryptik.DQUU Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer ending up on a source that holds a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or avoid the tool from functioning in a proper fashion – while additionally putting a ransom money note that points out the requirement for the targets to impact the payment for the purpose of decrypting the papers or restoring the file system back to the initial condition. In a lot of circumstances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.DQUU distribution networks.

In different edges of the globe, Win32/Kryptik.DQUU grows by leaps and bounds. However, the ransom notes and techniques of obtaining the ransom quantity may differ relying on particular regional (regional) setups. The ransom notes and also methods of obtaining the ransom amount may differ depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the target’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In countries where software application piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the Win32/Kryptik.DQUU popup alert might incorrectly claim to be originating from a police institution and also will report having located child pornography or various other illegal data on the device.

    Win32/Kryptik.DQUU popup alert may falsely assert to be deriving from a law enforcement institution and also will certainly report having located child pornography or various other unlawful information on the gadget. The alert will likewise include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 7F5D8647
md5: b2b977891cb5edc89069eb1bec31768f
name: B2B977891CB5EDC89069EB1BEC31768F.mlw
sha1: 985e90995f2990b0646599d563defbb5d1deb5d3
sha256: 8cca737aac7bc7bf3a022174d756ee0488bdd66575bd1b40148b5d21e8dc3746
sha512: 73009a51dc0c4a9c88687ebb7dabac3ffd48d1a6b8fe96ac34ac50526184f8b7fcfcf47ccec77cc5a47795be5fc08fc8b22a7f39e8a491be5c62be87a0268fa7
ssdeep: 6144:Eap0vp2b2Ink/dih4dnJ+DUxrqYvT4jPHFPyVbhZcL9yIMuGkYY+oE5PYgw:EaSR2b2Inf4BA8F7YidZYoIMuGAzENt
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: 2015
InternalName: Wondershare
FileVersion: 3.8.0.3
LegalTrademarks: Wondershare
ProductName: Wondershare DVD Creator Crack UZ1
ProductVersion: 3.8.0.3
FileDescription: Wondershare DVD Creator Crack UZ1
OriginalFilename: DVDCreator.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.DQUU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056e8fe1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.18284
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.22016
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 0056e8fe1 )
Cybereason malicious.91cb5e
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Kryptik.DQUU
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.ntlx
BitDefender Gen:Variant.Ursu.22016
NANO-Antivirus Trojan.Win32.Stealer.fhxjhp
MicroWorld-eScan Gen:Variant.Ursu.22016
Tencent Win32.Trojan.Foreign.Pfjd
Ad-Aware Gen:Variant.Ursu.22016
Sophos Mal/Generic-S
Comodo Malware@#2in358twi9itx
BitDefenderTheta Gen:NN.ZexaF.34670.yy0@aiyeImii
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SME1
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
FireEye Generic.mg.b2b977891cb5edc8
Emsisoft Gen:Variant.Ursu.22016 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1100583
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Ursu.D5600
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ursu.22016
Acronis suspicious
McAfee Artemis!B2B977891CB5
MAX malware (ai score=95)
VBA32 BScope.Trojan.Yakes
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SME1
Rising Ransom.Foreign!8.292 (CLOUD)
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Kryptik.FNHW!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.155

How to remove Win32/Kryptik.DQUU 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.DQUU 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.DQUU 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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