Win32/Kryptik.GVTT

What is Win32/Kryptik.GVTT infection?

In this short article you will locate about the interpretation of Win32/Kryptik.GVTT and also its negative influence on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to demand paying the ransom by a victim.

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In the majority of the situations, Win32/Kryptik.GVTT infection will certainly instruct its targets to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.GVTT Summary

These modifications 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.
  • 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.
  • 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.
  • A scripting utility was executed;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s disk drive — so the target can no more make use of the data;
  • Preventing routine 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.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Stop.MP4
a.tomx.xyz Ransom.Stop.MP4

Win32/Kryptik.GVTT

The most regular channels where Win32/Kryptik.GVTT Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of individual ending up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or stop the gadget from functioning in a correct manner – while also putting a ransom note that states the demand for the targets to effect the settlement for the function of decrypting the documents or bring back the documents system back to the preliminary condition. In the majority of instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Kryptik.GVTT distribution networks.

In different corners of the globe, Win32/Kryptik.GVTT expands by jumps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom quantity may differ depending upon certain neighborhood (regional) setups. The ransom notes and also techniques of extorting the ransom money quantity may vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In specific areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the victim’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty statements about prohibited content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.GVTT popup alert may wrongly assert to be deriving from a law enforcement establishment as well as will report having situated child porn or various other illegal information on the tool.

    Win32/Kryptik.GVTT popup alert might wrongly claim to be acquiring from a regulation enforcement institution and will certainly report having located kid porn or various other prohibited information on the device. The alert will in a similar way have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 49FE3575
md5: 9ed025271046517a9714d02eb1aea858
name: license.exe
sha1: 8cccf28eb670b457b62e9891171b197d6c932ce7
sha256: b3f040c90c2bff3d198f32e1710a293eab30ba903d45f97b63b91b8fa1b5f0d9
sha512: 96209482dbbdaf20d8a7d7dbae668d790b391827c050f56dc842ad733e3f29fc01aaacb8d68ab60bba21893542a58c28f1fe7ff8d965ec8e8acf6c64e28038f4
ssdeep: 3072:l3kLsu9pXv9lUPuyFMr7svZ++h4O4q4YTsv5/YIphTq6SVym+xhTiaHyqsTUm0E:l4sPul7ZOTsVFThC+xhTZ22Apj0aYO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GVTT also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.Brsecmon.1
CAT-QuickHeal Ransom.Stop.MP4
McAfee RDN/Generic.fps
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005568461 )
Alibaba Trojan:Win32/Kryptik.719a7d6f
K7GW Trojan ( 005568461 )
CrowdStrike win/malicious_confidence_90% (W)
Arcabit Trojan.Brsecmon.1
TrendMicro Trojan.Win32.SMOKELOAD.SMD2.hp
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GVTT
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Kryptik.fwrcko
Rising Trojan.Generic@ML.86 (RDMK:YdMCbIFV6AU6eCQZVxNPsw)
Endgame malicious (high confidence)
Emsisoft Trojan.Brsecmon.1 (B)
Comodo Malware@#1ozijypahf3im
F-Secure Trojan.TR/Crypt.Agent.qcxyo
MaxSecure Trojan.Malware.11201700.susgen
Zillya Trojan.Kryptik.Win32.1724120
Invincea heuristic
McAfee-GW-Edition RDN/Generic.fps
Fortinet W32/Kryptik.GVTF!tr
Trapmine suspicious.low.ml.score
FireEye Generic.mg.9ed025271046517a
Sophos Mal/GandCrab-G
Ikarus Trojan.Win32.Crypt
Cyren W32/Trojan.GQYW-5105
Webroot W32.Trojan.Gen
MAX malware (ai score=100)
Antiy-AVL Trojan[Banker]/Win32.Jimmy
Microsoft Trojan:Win32/Skeeyah.A!MTB
ZoneAlarm HEUR:Trojan.Win32.Generic
AhnLab-V3 Win-Trojan/MalPe26.Suspicious.X2012
Acronis suspicious
VBA32 BScope.Trojan.Agentb
ALYac Trojan.Brsecmon.1
Ad-Aware Trojan.Brsecmon.1
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SMOKELOAD.SMD2.hp
Yandex Trojan.Agent!FVwkzkCK5n8
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_86%
GData Trojan.Brsecmon.1
BitDefenderTheta Gen:NN.ZexaF.33558.ruW@amnIlbc
AVG Win32:Trojan-gen
Avast Win32:Trojan-gen
Qihoo-360 HEUR/QVM10.2.7D57.Malware.Gen

How to remove Win32/Kryptik.GVTT ransomware?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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.GVTT 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.GVTT 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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