Win32/Kryptik.FOBC

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

What is Win32/Kryptik.FOBC infection?

In this post you will locate concerning the definition of Win32/Kryptik.FOBC as well as its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom by a victim.

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In the majority of the instances, Win32/Kryptik.FOBC infection will instruct its targets to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s device.

Win32/Kryptik.FOBC 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.
  • Compression (or decompression);
  • 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Creates a copy of itself;
  • Ciphering the files located on the victim’s hard disk drive — so the target can no longer make use of the information;
  • Preventing routine accessibility 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.

Win32/Kryptik.FOBC

The most typical channels whereby Win32/Kryptik.FOBC Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a resource that hosts a harmful software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or avoid the gadget from operating in a proper fashion – while additionally putting a ransom note that states the demand for the victims to impact the settlement for the purpose of decrypting the papers or bring back the data system back to the initial condition. In many instances, the ransom note will certainly show up when the customer restarts the PC after the system has already been damaged.

Win32/Kryptik.FOBC distribution channels.

In various corners of the globe, Win32/Kryptik.FOBC grows by jumps as well as bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom quantity might vary depending upon particular local (regional) settings. The ransom notes and also methods of extorting the ransom amount may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In specific areas, the Trojans often wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s device. The alert after that demands the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In nations where software program piracy is much less popular, this method is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FOBC popup alert may incorrectly assert to be originating from a police establishment and will certainly report having situated child porn or various other illegal information on the device.

    Win32/Kryptik.FOBC popup alert may wrongly assert to be deriving from a regulation enforcement organization as well as will report having situated youngster porn or various other prohibited information on the device. The alert will similarly consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 1CD10930
md5: b059c6b5ba9f28ba1443aca4c00f55d8
name: B059C6B5BA9F28BA1443ACA4C00F55D8.mlw
sha1: 023e4019b6d57d09fd4cf3940bdfc817bf0dd999
sha256: 276afc0f66184309e4c354dcb219015d1fcaa303e61ba07ce0d444c0640c3b84
sha512: 77c5373ae3289189f32ca3c3d1785a4008f1153c9ebe0c3a111ac166031b2a9cf7bc1a6fa321bc54ada0dba6ed59cd42ed63215ac025e1d1e78db94c2707fd52
ssdeep: 6144:YDEzVwEoMcV3Mxe3wXQ9jDPcNnDJAzzE8S7QU:YDEzVwBMcV3Mx+gEOnDyoUU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOBC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.12635861
McAfee Artemis!B059C6B5BA9F
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056e92e1 )
BitDefender Trojan.GenericKD.12635861
K7GW Trojan ( 0056e92e1 )
Cybereason malicious.5ba9f2
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Crusis.bip
Alibaba Ransom:Win32/generic.ali2000010
Rising Ransom.Crusis!8.5724 (CLOUD)
Ad-Aware Trojan.GenericKD.12635861
Sophos Mal/Generic-S + Mal/Kryptik-DC
Comodo Malware@#2cg6g8bttffn1
DrWeb Trojan.Encoder.3953
Zillya Trojan.Kryptik.Win32.2431517
TrendMicro Ransom_HPLOCKY.SME
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.b059c6b5ba9f28ba
Emsisoft Trojan.Agent (A)
Ikarus Trojan-Ransom.GandCrab
ESET-NOD32 a variant of Win32/Kryptik.FOBC
Avira HEUR/AGEN.1100583
MAX malware (ai score=99)
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Generic.DC0CED5
ZoneAlarm Trojan-Ransom.Win32.Crusis.bip
GData Trojan.GenericKD.12635861
Cynet Malicious (score: 100)
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34608.tyW@am1YTodi
ALYac Trojan.GenericKD.12635861
VBA32 BScope.Trojan.Downloader
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SME
Tencent Win32.Trojan.Raas.Auto
Yandex Trojan.Crusis!dzMPJZEL+D0
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FNNB!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.CrySiS.HgIASOoA

How to remove Win32/Kryptik.FOBC virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.FOBC 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.FOBC 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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