Win32/Kryptik.GMTH

What is Win32/Kryptik.GMTH infection?

In this post you will certainly discover concerning the meaning of Win32/Kryptik.GMTH and its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom by a victim.

Most of the cases, Win32/Kryptik.GMTH ransomware will advise its victims to launch funds transfer for the function of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.GMTH Summary

These adjustments 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.
  • Presents an Authenticode digital signature;
  • 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.

  • 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
  • Collects information about installed applications;
  • 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 papers found on the target’s hard drive — so the target can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Win32/Kryptik.GMTH

One of the most typical channels whereby Win32/Kryptik.GMTH Ransomware 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 an effect of customer ending up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or prevent the device from operating in an appropriate fashion – while also placing a ransom note that points out the need for the targets to effect the settlement for the objective of decrypting the files or restoring the file system back to the initial condition. In a lot of circumstances, the ransom note will certainly show up when the client restarts the PC after the system has currently been harmed.

Win32/Kryptik.GMTH distribution networks.

In numerous edges of the world, Win32/Kryptik.GMTH grows by leaps as well as bounds. However, the ransom notes and techniques of extorting the ransom amount might vary depending upon specific local (local) settings. The ransom notes and also techniques of obtaining the ransom money amount might differ depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s tool. The alert then requires the customer to pay the ransom money.

    Faulty statements concerning prohibited content.

    In countries where software piracy is much less prominent, this technique is not as efficient for the cyber scams. Additionally, the Win32/Kryptik.GMTH popup alert might falsely declare to be deriving from a law enforcement organization as well as will certainly report having located child pornography or other unlawful information on the gadget.

    Win32/Kryptik.GMTH popup alert may wrongly claim to be deriving from a law enforcement organization and also will certainly report having situated youngster porn or other prohibited data on the gadget. The alert will similarly include a need for the user to pay the ransom.

Technical details

File Info:

crc32: C162083Dmd5: f6075ddceefdb6589c8ea99ad0a85daaname: F6075DDCEEFDB6589C8EA99AD0A85DAA.mlwsha1: a6ea2e7e2d9abc2322be2da2c1da1a711d98b9e0sha256: 7a19bff555c95a92a5cdfb8e2eda6f078a43349a5d6dfc664226cf38ef5b9418sha512: 625c28b7f8d80b9d737a5802fbe66a3446a18b794638fdeed9893e3857a9255afed82d79be8313a5d50a61841bc389f877763e721b71998c84380c9bda1a650cssdeep: 24576:lSyLtIBYWFkfV0hfPnZBdWGktI7ie8ydTF4EWCe:RKBlNfPjd1ktOie8y1Fzetype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 1997-2017 Simon Tatham.InternalName: PSCPFileVersion: Release 0.68CompanyName: Simon TathamProductName: PuTTY suiteProductVersion: Release 0.68FileDescription: Command-line SCP/SFTP clientOriginalFilename: PSCPTranslation: 0x0809 0x04b0

Win32/Kryptik.GMTH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Mint.Zamg.O
FireEye Generic.mg.f6075ddceefdb658
McAfee Ransomware-GNS!F6075DDCEEFD
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005411601 )
BitDefender Trojan.Mint.Zamg.O
K7GW Trojan ( 005411601 )
Cybereason malicious.ceefdb
Cyren W32/Ransom.KS.gen!Eldorado
Symantec Ransom.Troldesh
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Emotet.9a27d3da
NANO-Antivirus Trojan.Win32.Encoder.fkcusw
AegisLab Trojan.Win32.Generic.4!c
Rising Ransom.Troldesh!8.5D1 (CLOUD)
Ad-Aware Trojan.Mint.Zamg.O
Emsisoft Trojan.Mint.Zamg.O (B)
Comodo TrojWare.Win32.TrojanProxy.Bunitu.GL@7xwiw9
F-Secure Trojan.TR/Crypt.Epack.884889
DrWeb Trojan.Encoder.26677
Zillya Trojan.Shade.Win32.855
TrendMicro Ransom_SHADE.THAAADAH
McAfee-GW-Edition Ransomware-GNS!F6075DDCEEFD
Sophos Mal/Generic-R + Troj/Troldesh-O
Ikarus Trojan-Ransom.Shade
Avira TR/Crypt.Epack.884889
Antiy-AVL Trojan[Ransom]/Win32.Shade
Microsoft Trojan:Win32/Emotet.PB
Arcabit Trojan.Mint.Zamg.O
AhnLab-V3 Trojan/Win32.Kryptik.C2834160
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Mint.Zamg.O
Cynet Malicious (score: 100)
ESET-NOD32 a variant of Win32/Kryptik.GMTH
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34608.sr1@aOxqbyci
ALYac Trojan.Ransom.Shade
VBA32 BScope.TrojanSpy.Zbot
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_SHADE.THAAADAH
Tencent Malware.Win32.Gencirc.114d6292
Yandex Trojan.Shade!7znNbqa+4mc
SentinelOne Static AI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/GandCrab.D!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Backdoor.Emotet.HgIASOgA

How to remove Win32/Kryptik.GMTH 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Kryptik.GMTH you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

    Leave a Comment