Win32/Kryptik.FQVS

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

What is Win32/Kryptik.FQVS infection?

In this article you will certainly discover regarding the interpretation of Win32/Kryptik.FQVS as well as its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom money by a target.

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In the majority of the instances, Win32/Kryptik.FQVS ransomware will certainly advise its sufferers to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.FQVS 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.
  • 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.
  • Detected script timer window indicative of sleep style evasion;
  • A named pipe was used for inter-process communication;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Modifies boot configuration settings;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Appends a known Sage ransomware file extension to files that have been encrypted;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the victim’s hard disk — so the victim can no longer use the data;
  • Preventing normal access 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.FQVS

The most regular networks where Win32/Kryptik.FQVS Trojans are injected 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 resource that organizes a destructive software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or stop the device from operating in a proper way – while also putting a ransom note that discusses the requirement for the sufferers to impact the settlement for the objective of decrypting the documents or bring back the file system back to the preliminary problem. In the majority of instances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually already been harmed.

Win32/Kryptik.FQVS circulation networks.

In different corners of the globe, Win32/Kryptik.FQVS expands by jumps and also bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money amount might differ relying on certain local (local) setups. The ransom notes as well as techniques of obtaining the ransom money quantity might differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the target’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software application piracy is less popular, this method is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.FQVS popup alert might wrongly declare to be deriving from a police establishment and will report having situated child porn or various other illegal data on the device.

    Win32/Kryptik.FQVS popup alert may falsely declare to be acquiring from a legislation enforcement institution as well as will report having situated youngster pornography or various other illegal data on the tool. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 346BE50C
md5: c6ed9d66cdc6e290675acf24095d39dc
name: C6ED9D66CDC6E290675ACF24095D39DC.mlw
sha1: 1ba5079a64cbe2ef1a54caaa3d148c7796688fff
sha256: 9a01d5185de50280be4a2910378ea9afc90b2374655b6a492057aa968da3e1a5
sha512: 0753af5b1e44644b9c280b2ed194928cf6f2e58abed8a4a29e2601805bfe7ce5ddcb0aa4020e3fc7f7ed6a2a9069e1eb9d93c7025f7839fe35c606e17eb2ffe6
ssdeep: 6144:b3bLhozt8zVd1AjuMWNWXyHlIgd0xJsbFV4n9QS:b3bLhst8xd15MWcQ2xMXS
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FQVS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0050ad2f1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10994
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Sage
Cylance Unsafe
Zillya Trojan.SageCrypt.Win32.122
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Kryptik.5fadc4f9
K7GW Trojan ( 0050ad2f1 )
Cybereason malicious.6cdc6e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.FQVS
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Fugrafa.99603
NANO-Antivirus Trojan.Win32.SageCrypt.enesyh
ViRobot Trojan.Win32.Sage.345088
SUPERAntiSpyware Trojan.Agent/Gen-Crypt
MicroWorld-eScan Gen:Variant.Fugrafa.99603
Tencent Malware.Win32.Gencirc.10b66ed0
Ad-Aware Gen:Variant.Fugrafa.99603
Sophos ML/PE-A
Comodo Malware@#bqeshyaw4edz
BitDefenderTheta Gen:NN.ZexaF.34628.vuW@ay@SAIpi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_MiliCry-1h
McAfee-GW-Edition BehavesLike.Win32.Emotet.fc
FireEye Generic.mg.c6ed9d66cdc6e290
Emsisoft Gen:Variant.Fugrafa.99603 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.SageCrypt.gy
Avira HEUR/AGEN.1114514
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Milicry!rfn
Arcabit Trojan.Fugrafa.D18513
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Fugrafa.99603
TACHYON Ransom/W32.SageCrypt.345088
AhnLab-V3 Trojan/Win32.SageCrypt.C1896485
Acronis suspicious
McAfee GenericRXBG-OA!C6ED9D66CDC6
MAX malware (ai score=84)
VBA32 BScope.TrojanRansom.Blocker
Malwarebytes MachineLearning/Anomalous.96%
Panda Trj/Genetic.gen
TrendMicro-HouseCall Mal_MiliCry-1h
Rising Ransom.SageCrypt!8.E42C (CLOUD)
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Generic.AC.3EE17F
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwoCHL8A

How to remove Win32/Kryptik.FQVS 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.FQVS 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.FQVS 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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