Win32/Kryptik.FEFZ

What is Win32/Kryptik.FEFZ infection?

In this short article you will discover concerning the interpretation of Win32/Kryptik.FEFZ as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is elaborated by on the internet frauds to require paying the ransom by a sufferer.

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Most of the instances, Win32/Kryptik.FEFZ virus will instruct its sufferers to start funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s gadget.

Win32/Kryptik.FEFZ Summary

These modifications can be as adheres to:

  • 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.
  • Mimics the system’s user agent string for its own 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.
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Exhibits behavior characteristic of Locky ransomware;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard disk — so the victim can no longer utilize the data;
  • Preventing normal access to the sufferer’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.Locky.D6
a.tomx.xyz Ransom.Locky.D6
efsfpgnimwjamyj.ru Ransom.Locky.D6
monhqjo.click Ransom.Locky.D6
urbkmyaghasrfegd.pl Ransom.Locky.D6
ltylruljiwyb.org Ransom.Locky.D6
psrinpucpir.info Ransom.Locky.D6
jtpfgeh.su Ransom.Locky.D6
dwmctqehbexacu.work Ransom.Locky.D6
dyjpqww.pw Ransom.Locky.D6
tynfalpitmqawmmo.info Ransom.Locky.D6
oavftrkkgptipwx.pw Ransom.Locky.D6

Win32/Kryptik.FEFZ

The most common channels where Win32/Kryptik.FEFZ Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or stop the device from working in a proper manner – while also placing a ransom note that mentions the demand for the victims to effect the repayment for the purpose of decrypting the files or bring back the documents system back to the first problem. In many instances, the ransom note will certainly turn up when the client reboots the PC after the system has actually already been damaged.

Win32/Kryptik.FEFZ distribution networks.

In numerous corners of the globe, Win32/Kryptik.FEFZ grows by jumps and also bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom quantity might differ relying on certain local (local) settings. The ransom notes and also methods of obtaining the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Kryptik.FEFZ popup alert might incorrectly claim to be originating from a police organization and will certainly report having situated child porn or various other illegal data on the tool.

    Win32/Kryptik.FEFZ popup alert might wrongly assert to be deriving from a legislation enforcement organization and also will report having located kid pornography or various other unlawful data on the device. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 733DC867
md5: beeeaff5ae80a56481dd1a19533b4d17
name: BEEEAFF5AE80A56481DD1A19533B4D17.mlw
sha1: 258a182cfe454aa29af410020162e8aa48436410
sha256: 353dde79e485e7d192fe75b12126da7a43c79da828a1a9965d4d43148f342e5e
sha512: 7927315349bdf9e484e85396ec3d1328fe6f1ea42ec5778d424307273d8503b97451ffab0cb184998a5ae8164d26f63731acc7fd62bf3504666e54eca663aeb9
ssdeep: 6144:E/l0fSzHl0zz3FD6p6Gtx9lk42CFfeUEP:EWfSzFS7FD6p6GVJfHEP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

filedescription: Angularity
fileversion: 49.86.57.396
companyname: Ceremonialist
Translation: 0x0209 0x0000

Win32/Kryptik.FEFZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00522ab11 )
Elastic malicious (high confidence)
DrWeb Trojan.Inject2.64699
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Locky.D6
ALYac Gen:Variant.Fugrafa.82980
Cylance Unsafe
Zillya Trojan.Cryptor.Win32.239
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cryptor.bf457b62
K7GW Trojan ( 00522ab11 )
Cybereason malicious.5ae80a
Cyren W32/Locky.BD.gen!Eldorado
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Kryptik.FEFZ
APEX Malicious
Avast Win32:GenMalicious-NVI [Trj]
ClamAV Win.Ransomware.Locky-9804499-0
Kaspersky Trojan-Ransom.Win32.Cryptor.bmq
BitDefender Gen:Variant.Fugrafa.82980
NANO-Antivirus Trojan.Win32.Cryptor.evnygd
MicroWorld-eScan Gen:Variant.Fugrafa.82980
Tencent Malware.Win32.Gencirc.11494cb9
Ad-Aware Gen:Variant.Fugrafa.82980
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Ransom.Locky.ALL@6lklyd
BitDefenderTheta Gen:NN.ZexaF.34686.ouW@aCLLFrli
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SMBOS
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.dh
FireEye Generic.mg.beeeaff5ae80a564
Emsisoft Gen:Variant.Fugrafa.82980 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1121498
Microsoft Trojan:Win32/Dorv.C!rfn
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Fugrafa.82980
AhnLab-V3 Trojan/Win32.Locky.R189627
McAfee Ransomware-FRM!BEEEAFF5AE80
MAX malware (ai score=97)
VBA32 Trojan-Ransom.Cryptor
Malwarebytes Ransom.Locky.Generic
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_HPLOCKY.SMBOS
Rising Trojan.Ransom-Locky!8.4655 (CLOUD)
Yandex Trojan.GenAsa!L2AZagmdEHU
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.FGAJ!tr
AVG Win32:GenMalicious-NVI [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.FEFZ 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.FEFZ 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.FEFZ 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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