Win32/Kryptik.FFEX

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

What is Win32/Kryptik.FFEX infection?

In this post you will certainly find concerning the interpretation of Win32/Kryptik.FFEX and its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by online scams to demand paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.FFEX infection will advise its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

Win32/Kryptik.FFEX Summary

These modifications 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.
  • Enumerates user accounts on the system;
  • 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.;
  • 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.

  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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.
  • Attempts to identify installed AV products by installation directory;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the victim’s hard disk drive — so the sufferer can no longer make use of the information;
  • 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.xyzRansom.Cerber.YY2
a.tomx.xyzRansom.Cerber.YY2
ip-api.comRansom.Cerber.YY2

Win32/Kryptik.FFEX

One of the most regular channels where Win32/Kryptik.FFEX Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a malicious software application;

As soon as the Trojan is successfully injected, it will either cipher the information on the target’s PC or avoid the device from functioning in a correct way – while also putting a ransom money note that points out the requirement for the victims to impact the settlement for the function of decrypting the files or restoring the documents system back to the first condition. In the majority of instances, the ransom note will certainly come up when the customer restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.FFEX circulation networks.

In different corners of the world, Win32/Kryptik.FFEX grows by leaps as well as bounds. However, the ransom notes as well as techniques of obtaining the ransom amount may vary depending upon particular regional (local) settings. The ransom money notes and methods of obtaining the ransom money amount might vary depending on certain local (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the target’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software program piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FFEX popup alert may wrongly assert to be stemming from a law enforcement organization and will certainly report having located child porn or various other unlawful information on the gadget.

    Win32/Kryptik.FFEX popup alert might falsely claim to be acquiring from a regulation enforcement organization and also will report having located kid pornography or other prohibited data on the tool. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: F521753C
md5: beab107fa0ffca4fb6d007accf4b9cdf
name: BEAB107FA0FFCA4FB6D007ACCF4B9CDF.mlw
sha1: 134721f812b017ef55f950ce64362fb45ecced40
sha256: 144161bdaf9facf73e08591f1831405dde4855ed1106eb25d9a78781fd136fdc
sha512: 361c3945c0ae241b3c8500f305e2b0761d826d899448e76b5cd7f24615c20f84b7d42337eea15b67b0fedfedf39b39cd8efd950f2919f7f6303b73f93d11f598
ssdeep: 3072:neDTUWOZNLIOVv+3zWmlEiqU58FzOnRyog6JcYlvXbUSh6m5fUnNIoD3/ECERT7y:vV+3NRoSRyb6J5lX4m5fUNIGvl0XCr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Alexander Roshal 1993-2012
InternalName: Command line RAR
FileVersion: 4.20.0
CompanyName: Alexande r Roshal
ProductName: WinRAR
ProductVersion: 4.20.0
FileDescription: Command line RAR
Translation: 0x0409 0x04e4

Win32/Kryptik.FFEX also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005224381 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4691
CynetMalicious (score: 100)
CAT-QuickHealRansom.Cerber.YY2
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
ZillyaTrojan.Zerber.Win32.322
SangforRansom.Win32.Cerber_44.se
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Cerber.dfb68b9d
K7GWTrojan ( 004f72051 )
Cybereasonmalicious.fa0ffc
BaiduWin32.Trojan.Kryptik.avb
CyrenW32/S-3e1d46f2!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.FFEX
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-7552696-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Encoder.evfhki
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentMalware.Win32.Gencirc.10b6501a
Ad-AwareTrojan.Ransom.Cerber.1
SophosMal/Generic-R + Mal/Cerber-B
ComodoTrojWare.Win32.Kryptik.ERJ@6l0vie
BitDefenderThetaGen:NN.ZexaF.34722.xq1@aaIS6wei
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPCERBER.SM3
McAfee-GW-EditionGenericRXAN-EI!BEAB107FA0FF
FireEyeGeneric.mg.beab107fa0ffca4f
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Zerber.ue
AviraHEUR/AGEN.1133793
eGambitUnsafe.AI_Score_78%
Antiy-AVLTrojan/Generic.ASMalwS.1ADE509
MicrosoftRansom:Win32/Cerber.A
AegisLabTrojan.Win32.Generic.4!c
GDataTrojan.Ransom.Cerber.1
AhnLab-V3Win-Trojan/Cerber.Gen
Acronissuspicious
McAfeeGenericRXAN-EI!BEAB107FA0FF
MAXmalware (ai score=100)
VBA32BScope.Malware-Cryptor.Hlux
MalwarebytesMalware.AI.491220485
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_HPCERBER.SM3
RisingTrojan.Kryptik!1.AF0E (CLASSIC)
YandexTrojan.GenAsa!CjhtPsMci1E
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.HJJV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.FFEX 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.FFEX 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.FFEX 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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