Win32/Kryptik.GYYF

Written by Robert Bailey

What is Win32/Kryptik.GYYF infection?

In this short article you will certainly locate about the interpretation of Win32/Kryptik.GYYF and also its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.GYYF infection will certainly advise its targets to launch funds move for the function of counteracting the changes that the Trojan infection has presented to the sufferer’s device.

Win32/Kryptik.GYYF Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Looks up the external IP address;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Network activity detected but not expressed in API logs;
  • Creates a copy of itself;
  • Ciphering the records found on the target’s hard disk — so the target can no more utilize the information;
  • Preventing normal access to the target’s workstation;

Related domains:

z.whorecord.xyz Trojan-Ransom.GandCrab
a.tomx.xyz Trojan-Ransom.GandCrab
advertspace10.club Trojan-Ransom.GandCrab
logstat17.club Trojan-Ransom.GandCrab
api.ipify.org Trojan-Ransom.GandCrab

Win32/Kryptik.GYYF

One of the most normal networks whereby Win32/Kryptik.GYYF Ransomware are infused are:

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

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or avoid the device from working in a correct fashion – while also positioning a ransom note that points out the requirement for the targets to impact the settlement for the function of decrypting the documents or bring back the file system back to the initial condition. In the majority of circumstances, the ransom note will show up when the customer restarts the PC after the system has already been damaged.

Win32/Kryptik.GYYF distribution networks.

In various corners of the world, Win32/Kryptik.GYYF expands by jumps and bounds. However, the ransom money notes and also tricks of obtaining the ransom money amount might differ depending upon certain local (regional) setups. The ransom money notes and techniques of obtaining the ransom money quantity may differ depending on specific regional (regional) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In certain locations, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software application piracy is much less prominent, this approach is not as reliable for the cyber scams. Alternatively, the Win32/Kryptik.GYYF popup alert might wrongly claim to be deriving from a police institution as well as will report having located kid pornography or various other illegal data on the tool.

    Win32/Kryptik.GYYF popup alert might falsely declare to be obtaining from a legislation enforcement establishment as well as will certainly report having located kid porn or other illegal data on the device. The alert will likewise have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: C4A01634
md5: 1b557961df2810b8026bae3205317fe8
name: ztx777.exe
sha1: aa4e931a7ddcd18eebc72b8422ad225e5b2b0d74
sha256: 2da83a63d58019a926c3c2f5288da2e999c602548c6112cd1c67e9e15e357d83
sha512: 505066eda6df33ce7d8deed5c31ae0014e8a1d886949468260451e66c5a9c6403c9a15cc0224276dfd923fa43d659c198726a48d143bbc8a4ca4653b69202cd3
ssdeep: 3072:+6NpTMXAACeZFUblrJQt23SoyLciHc5/1KIO0G0a3W/dCj:hlMXNTUblVQtbL585NGTW/gj
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Canneverbe Limited (C)
InternalName: Negotiating
CompanyName: Canneverbe Limited
ProductName: Negotiating
ProductVersion: 1.8.9.863
FileDescription: Leonards Cnditiner Wrkitemlinkfilters
Translation: 0x0409 0x04b0

Win32/Kryptik.GYYF also known as:

GridinSoft Trojan.Ransom.Gen
McAfee RDN/Generic.dx
Cylance Unsafe
Sangfor Malware
Cybereason malicious.a7ddcd
TrendMicro Mal_HPGen-37b
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GYYF
APEX Malicious
Kaspersky Trojan-Proxy.Win32.Sybici.gm
BitDefender Trojan.GenericKD.42072583
Rising Trojan.Generic@ML.86 (RDML:wUcb35U5Qm4m/64iX8/TEQ)
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.ZvuZona.dc
Fortinet W32/Malicious_Behavior.VEX
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.1b557961df2810b8
Ikarus Trojan-Ransom.GandCrab
Webroot W32.Trojan.Gen
Endgame malicious (moderate confidence)
ZoneAlarm Trojan-Proxy.Win32.Sybici.gm
Microsoft Trojan:Win32/Zpevdo.A
AhnLab-V3 Trojan/Win32.Download.C3604742
Malwarebytes Spyware.PasswordStealer
TrendMicro-HouseCall Mal_HPGen-37b
SentinelOne DFI – Suspicious PE
BitDefenderTheta Gen:NN.ZexaF.32515.nmKfau2cGQii
AVG FileRepMetagen [Malware]
Avast FileRepMetagen [Malware]
CrowdStrike win/malicious_confidence_60% (W)
Qihoo-360 Win32/Trojan.Proxy.433

How to remove Win32/Kryptik.GYYF virus?

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

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 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.GYYF 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GYYF 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: http://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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