Win32/Kryptik.FUBJ

Written by Robert Bailey

What is Win32/Kryptik.FUBJ infection?

In this short article you will certainly locate concerning the interpretation of Win32/Kryptik.FUBJ and also its negative effect on your computer. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom by a victim.

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Most of the situations, Win32/Kryptik.FUBJ ransomware will certainly instruct its sufferers to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s device.

Win32/Kryptik.FUBJ 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.
  • 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 created a hidden window;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Writes a potential ransom message to disk;
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Attempts to access Bitcoin/ALTCoin wallets;
  • Generates some ICMP traffic;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the records situated on the victim’s disk drive — so the victim can no more utilize the information;
  • Preventing regular access to the target’s workstation;

Win32/Kryptik.FUBJ

One of the most typical channels whereby Win32/Kryptik.FUBJ Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a source that organizes a malicious software;

As soon as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or avoid the tool from functioning in an appropriate manner – while likewise putting a ransom money note that states the requirement for the targets to effect the repayment for the purpose of decrypting the files or restoring the file system back to the initial condition. In most circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.FUBJ distribution channels.

In various corners of the globe, Win32/Kryptik.FUBJ expands by jumps as well as bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom quantity may differ relying on certain neighborhood (regional) setups. The ransom notes and also tricks of extorting the ransom money quantity may vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The sharp then demands the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software application piracy is much less prominent, this approach is not as effective for the cyber scams. Conversely, the Win32/Kryptik.FUBJ popup alert may incorrectly assert to be stemming from a police institution and will certainly report having situated child pornography or other prohibited data on the gadget.

    Win32/Kryptik.FUBJ popup alert may falsely claim to be obtaining from a regulation enforcement institution and also will certainly report having situated child pornography or other unlawful data on the gadget. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: C5882261
md5: 0138d83b71789087a4ec07ad9df74075
name: 0138D83B71789087A4EC07AD9DF74075.mlw
sha1: a610f546cd8542f83f77934fe4a338f2a4224f73
sha256: 8a2fb749949f4733b0825f66e880940ee5527156074d3aaaaf37ee3b7b90785d
sha512: d4cf73be0d8fc344a6b08fd00ad9f718c3eeb406dbd4b9b427a33fa3df346e89f013babe27c19b208c28c7f5583933fdb76c7e095e84bc8c286d3ec03e59d973
ssdeep: 3072:VDJ+tB683RbeVzZhXQ2nhdwv0p5Inqf0sURNR+dND3vNK/LUBbinVcD8TUv5WtF:VF+tc83RbeVbQmOqRH8NqNiIIcEC
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Kryptik.FUBJ also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Cerber.XU
ALYac Trojan.Ransom.Cerber.XU
Cylance Unsafe
VIPRE Packer.NSAnti.Gen (v)
Sangfor Malware
K7AntiVirus Trojan ( 005114801 )
BitDefender Trojan.Ransom.Cerber.XU
K7GW Trojan ( 005114801 )
Cybereason malicious.b71789
TrendMicro Ransom_CERBER.SM3B
Symantec Ransom.Cerber
APEX Malicious
Avast Win32:Dropper-gen [Drp]
Kaspersky Trojan-Ransom.Win32.Zerber.gdbd
NANO-Antivirus Trojan.Win32.Zerber.eqqayt
ViRobot Trojan.Win32.Cerber.245760.B[UPX]
Tencent Malware.Win32.Gencirc.11b10dff
Ad-Aware Trojan.Ransom.Cerber.XU
TACHYON Ransom/W32.Cerber.245760.F
Emsisoft Trojan.Ransom.Cerber.XU (B)
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Trojan.TR/Crypt.Agent.qbzig
DrWeb Trojan.Encoder.12822
Zillya Trojan.Kryptik.Win32.1594614
Invincea ML/PE-A + Mal/Elenoocka-E
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.0138d83b71789087
Sophos Mal/Elenoocka-E
Ikarus Trojan-Dropper.Win32.Addrop
Jiangmin Backdoor.Androm.qwq
Avira TR/Crypt.Agent.qbzig
eGambit Unsafe.AI_Score_88%
Microsoft Trojan:Win32/Emotet.PC!MTB
Arcabit Trojan.Ransom.Cerber.XU
ZoneAlarm Trojan-Ransom.Win32.Zerber.gdbd
GData Trojan.Ransom.Cerber.XU
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Ransom_cerber.C4223289
Acronis suspicious
McAfee GenericRXAA-AA!0138D83B7178
MAX malware (ai score=87)
VBA32 Hoax.Zerber
ESET-NOD32 a variant of Win32/Kryptik.FUBJ
TrendMicro-HouseCall Ransom_CERBER.SM3B
Rising Backdoor.Agent!1.663A (TFE:4:xbzie6q31zE)
Yandex Trojan.GenAsa!uQn0+rBdTQI
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GLXU!tr
BitDefenderTheta Gen:NN.ZexaF.34634.mmGfauZNeroi
AVG Win32:Dropper-gen [Drp]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM19.1.44A7.Malware.Gen

How to remove Win32/Kryptik.FUBJ 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.FUBJ 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.FUBJ 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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