Win32/Kryptik.GEFY

Written by Robert Bailey

What is Win32/Kryptik.GEFY infection?

In this article you will find concerning the interpretation of Win32/Kryptik.GEFY and also its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom money by a sufferer.

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Most of the instances, Win32/Kryptik.GEFY ransomware will instruct its sufferers to launch funds move for the function of counteracting the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.GEFY Summary

These adjustments 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.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s disk drive — so the target can no longer use the data;
  • Preventing normal access to the target’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_HPGANDCRAB.SMG2
a.tomx.xyz Ransom_HPGANDCRAB.SMG2

Win32/Kryptik.GEFY

One of the most typical networks through which Win32/Kryptik.GEFY Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or protect against the device from operating in an appropriate way – while likewise placing a ransom money note that mentions the need for the victims to effect the repayment for the purpose of decrypting the files or bring back the file system back to the first condition. In the majority of circumstances, the ransom note will come up when the client reboots the PC after the system has actually already been damaged.

Win32/Kryptik.GEFY distribution channels.

In various edges of the globe, Win32/Kryptik.GEFY grows by jumps as well as bounds. However, the ransom notes and techniques of extorting the ransom money quantity may vary depending on specific regional (local) settings. The ransom money notes and also tricks of obtaining the ransom money quantity might vary depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software application.

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

    Faulty declarations about unlawful material.

    In nations where software program piracy is less prominent, this method is not as effective for the cyber scams. Additionally, the Win32/Kryptik.GEFY popup alert may wrongly declare to be deriving from a law enforcement institution and also will report having located child pornography or other illegal information on the gadget.

    Win32/Kryptik.GEFY popup alert may wrongly claim to be acquiring from a legislation enforcement establishment and also will certainly report having located youngster pornography or other illegal data on the tool. The alert will likewise include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: BAA394E6
md5: a8c161fc515416ef0538eb310f48f92c
name: A8C161FC515416EF0538EB310F48F92C.mlw
sha1: 9aaf99a05c8c660e61e4867c25f2b8099735b81a
sha256: 6bf6e298b43e7536a7bbfe6fd2a0e051e62c1d27f47b4eeff29765f6db2afff1
sha512: c8c2944d8925217d0896adc750579275a31c82ba0be0317bc2341bda07820237b381a0d14f78c96f1d302761cbac56cc0a5901492b8d6af80601b3360f27e644
ssdeep: 6144:EDtdRFklQFU14j4yopQAePDl7KPX3DuQYw6NerMT9:EDtdRFk7JclOPXzkNer
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GEFY also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 003e58dd1 )
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.Bot.4136
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.BRMon.Gen.3
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1441859
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Kryptik.04eca01c
K7GW Trojan ( 655333331 )
Cybereason malicious.c51541
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GEFY
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.3
NANO-Antivirus Trojan.Win32.Chapak.eyqabt
MicroWorld-eScan Trojan.BRMon.Gen.3
Tencent Win32.Trojan.Generic.Lpbd
Ad-Aware Trojan.BRMon.Gen.3
Sophos ML/PE-A + Mal/GandCrab-C
Comodo TrojWare.Win32.ButeRat.PP@4roeaa
BitDefenderTheta Gen:NN.ZexaF.34684.xuW@amOsBphi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.a8c161fc515416ef
Emsisoft Trojan.BRMon.Gen.3 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen2
eGambit Unsafe.AI_Score_92%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Predator!ml
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.GandCrypt.gen
GData Trojan.BRMon.Gen.3
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee GenericRXEI-LW!A8C161FC5154
MAX malware (ai score=94)
VBA32 BScope.Trojan.Chapak
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Rising Dropper.Generic!8.35E (C64:YzY0Or5jVWQDQlbV)
Yandex Trojan.GenAsa!YyqCjL/UsDU
Ikarus Trojan.Win32.Krypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.HCLG!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GEFY 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 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.GEFY 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.GEFY 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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