Win32/Kryptik.GFTE

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

What is Win32/Kryptik.GFTE infection?

In this short article you will discover about the interpretation of Win32/Kryptik.GFTE and its adverse effect on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to demand paying the ransom by a sufferer.

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In the majority of the instances, Win32/Kryptik.GFTE virus will certainly advise its targets to start funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.GFTE Summary

These alterations 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.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • 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;
  • Detects Sandboxie through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • 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.
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk — so the sufferer can no more utilize the information;
  • Preventing regular 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.

Win32/Kryptik.GFTE

One of the most typical channels through which Win32/Kryptik.GFTE Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or stop the gadget from operating in a proper fashion – while additionally putting a ransom note that discusses the demand for the targets to impact the settlement for the objective of decrypting the documents or recovering the file system back to the initial problem. In many instances, the ransom money note will show up when the customer reboots the PC after the system has currently been harmed.

Win32/Kryptik.GFTE distribution channels.

In various edges of the globe, Win32/Kryptik.GFTE grows by leaps and bounds. However, the ransom money notes and techniques of obtaining the ransom money amount might vary depending upon particular neighborhood (local) setups. The ransom notes as well as tricks of obtaining the ransom amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s device. The sharp then requires the individual to pay the ransom.

    Faulty statements about unlawful web content.

    In nations where software piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/Kryptik.GFTE popup alert might falsely claim to be originating from a law enforcement establishment and also will report having situated kid porn or various other illegal information on the gadget.

    Win32/Kryptik.GFTE popup alert may incorrectly assert to be acquiring from a legislation enforcement organization and also will certainly report having located youngster pornography or various other prohibited data on the tool. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 385E75E8
md5: ab97a07b90540ed7c3d40b6ed11608b9
name: AB97A07B90540ED7C3D40B6ED11608B9.mlw
sha1: 21d3431faf96e7070ff25af6e20ecfbb63a2093d
sha256: 80b2b7411800ca1c9789da34c4a73894336a0076cc88a3692b4826106cc348d6
sha512: 1a8253760562b13e20909a580b738e38734580913334642683e257ea981b422a0c1cdd9f333c39cdc37212e8ae89248f089883531434958fb4e4f1a04111b3d7
ssdeep: 3072:rRqaPT6qnrGQxbANYPUl29TIeUyMoy0y4fVyU+yIyh6Vwm:rwl4xMYC2TUyMoy0y4fVyU+yIygV1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, gemperzeeb
InternalName: toofirtyless.exe
FileVersion: 5.0.0.0
ProductVersion: 5.0.0.0
Translation: 0x0809 0x04b0

Win32/Kryptik.GFTE also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Adware ( 00539ed31 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Gen:Heur.Mint.Titirez.gu0@DKgWhrj
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1403683
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Adware ( 00539ed31 )
Cybereason malicious.b90540
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GFTE
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Propagate.lwx
BitDefender Gen:Heur.Mint.Titirez.gu0@DKgWhrj
NANO-Antivirus Trojan.Win32.Mokes.fajjsw
MicroWorld-eScan Gen:Heur.Mint.Titirez.gu0@DKgWhrj
Tencent Win32.Trojan.Generic.Lpbj
Ad-Aware Gen:Heur.Mint.Titirez.gu0@DKgWhrj
Sophos Mal/Generic-S + Mal/GandCrab-G
Comodo TrojWare.Win32.Ransom.GandCrab.BS@7m1cww
BitDefenderTheta Gen:NN.ZexaF.34628.gu0@aKgWhrj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SMD3
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.ab97a07b90540ed7
Emsisoft Trojan.Generic (A)
SentinelOne Static AI – Suspicious PE
Jiangmin Backdoor.Mokes.dx
Webroot W32.Ransom.Gandcrab
Avira HEUR/AGEN.1121545
eGambit Unsafe.AI_Score_76%
Microsoft Trojan:Win32/Skeeyah.A!rfn
Arcabit Trojan.Mint.Titirez.EFCE89
AegisLab Trojan.Win32.GandCrypt.tqTM
ZoneAlarm HEUR:Trojan-Ransom.Win32.GandCrypt.gen
GData Gen:Heur.Mint.Titirez.gu0@DKgWhrj
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee Generic.dsw
MAX malware (ai score=95)
VBA32 BScope.Trojan.Chapak
Malwarebytes Ransom.GandCrab
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_GANDCRAB.SMD3
Rising Trojan.Kryptik!8.8 (CLOUD)
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GFTE!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwoCEpsA

How to remove Win32/Kryptik.GFTE 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.GFTE 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.GFTE 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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