Win32/Kryptik.FBJB

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

What is Win32/Kryptik.FBJB infection?

In this article you will certainly locate about the definition of Win32/Kryptik.FBJB as well as its negative effect on your computer. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom money by a sufferer.

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In the majority of the instances, Win32/Kryptik.FBJB ransomware will certainly advise its sufferers to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s gadget.

Win32/Kryptik.FBJB Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (2 unique times);
  • Enumerates user accounts on the system;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Drops a binary and executes it;
  • 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;
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data.;
  • Looks up the external IP address;
  • Uses Windows utilities for basic functionality;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • EternalBlue behavior;
  • Attempts to identify installed AV products by installation directory;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Generates some ICMP traffic;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the sufferer’s disk drive — so the target can no longer utilize the information;
  • Preventing routine access to the victim’s workstation;

Related domains:

ipinfo.io Ransom.Cerber.G4
edgedl.me.gvt1.com Ransom.Cerber.G4

Win32/Kryptik.FBJB

The most regular channels through which Win32/Kryptik.FBJB Trojans are injected are:

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

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or avoid the gadget from working in a proper fashion – while additionally putting a ransom money note that discusses the requirement for the targets to impact the settlement for the function of decrypting the documents or restoring the documents system back to the preliminary condition. In a lot of circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.FBJB distribution channels.

In numerous edges of the globe, Win32/Kryptik.FBJB grows by jumps and bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom money amount might differ depending on certain local (local) setups. The ransom notes and also tricks of extorting the ransom quantity may vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.FBJB popup alert might incorrectly declare to be deriving from a police institution and also will certainly report having located child pornography or other unlawful information on the gadget.

    Win32/Kryptik.FBJB popup alert might wrongly claim to be deriving from a regulation enforcement organization and also will report having situated child pornography or other illegal data on the gadget. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: E5B7BA48
md5: a43203736e156c71ea63a513cb45967f
name: A43203736E156C71EA63A513CB45967F.mlw
sha1: b9c0071bb0c47f7c2e59f6f68d3070e8c2c48ba1
sha256: bd5990be651e50954a9798a7caef3fa18d592ce6f08da57728b1260d4007b419
sha512: 14fd23c8093a2168c19407a42db024c08b27376a4c5b5ecc3a3f5a90ed9abcaf1428c12f562305b2ccdc9a2d5fc8d27634ec081675cc41e11bba94a6c37f010d
ssdeep: 6144:5qbwppYYwpthZupEHBFRqZy7KbX26kacpLypdy1:5qbSYYQthEpwAC1QY1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2008-2011 x41ex41ex41e x42fx43dx434x435x43ax441
InternalName: Punto Switcher Unloader
FileVersion: 3.2.3.51
CompanyName: x41e x41ex41e x42fx43dx434x435x43ax441
LegalTrademarks: Punto Switcher
Comments: x412x44bx433x440x443x437x447x438x43a Punto Switcher
ProductName: Punto Switcher
ProductVersion: 3.2.3.51
FileDescription: x412x44bx433x440x443x437x447x438x43a Punto Switcher
OriginalFilename: puntounloader.exe
Translation: 0x0419 0x04b0

Win32/Kryptik.FBJB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005224381 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.G4
ALYac Trojan.Ransom.Cerber.1
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0051e8bc1 )
Cybereason malicious.36e156
Baidu Win32.Trojan.Kryptik.awu
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.FBJB
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Cerber-6931819-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Cerber.1
NANO-Antivirus Trojan.Win32.Kryptik.evkduk
MicroWorld-eScan Trojan.Ransom.Cerber.1
Tencent Win32.Trojan.Generic.Lkde
Ad-Aware Trojan.Ransom.Cerber.1
Sophos Mal/Generic-R + Mal/Ransom-EJ
Comodo TrojWare.Win32.Kryptik.FBWM@6gt9t1
BitDefenderTheta Gen:NN.ZexaF.34050.pq0@aSeOUrkk
VIPRE Trojan.Win32.Reveton.a (v)
TrendMicro Ransom_CERBER.SMFE
McAfee-GW-Edition GenericRXAC-EU!A43203736E15
FireEye Generic.mg.a43203736e156c71
Emsisoft Trojan.Ransom.Cerber.1 (B)
Jiangmin Trojan.Generic.bscmu
Avira HEUR/AGEN.1129194
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.22CEFCD
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Avaddon.P!MSR
SUPERAntiSpyware Ransom.Cerber/Variant
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.Cerber.1
AhnLab-V3 Win-Trojan/Lukitus2.Exp
Acronis suspicious
McAfee GenericRXAC-EU!A43203736E15
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CERBER.SMFE
Rising Trojan.Kryptik!1.AF0E (CLASSIC)
Yandex Trojan.GenAsa!gayP/P3aN2c
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.AP.44240
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HxQBbAcA

How to remove Win32/Kryptik.FBJB ransomware?

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.FBJB 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.FBJB 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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