Win32/Kryptik.FJSQ

What is Win32/Kryptik.FJSQ infection?

In this post you will discover regarding the interpretation of Win32/Kryptik.FJSQ and its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom money by a target.

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Most of the situations, Win32/Kryptik.FJSQ ransomware will advise its sufferers to launch funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.FJSQ Summary

These alterations can be as follows:

  • 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 attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • 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.

  • A process created a hidden window;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Unconventionial language used in binary resources: Portuguese;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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.

  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard drive — so the target can no more utilize the data;
  • Preventing routine access to the victim’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.FJSQ

One of the most typical networks whereby Win32/Kryptik.FJSQ Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of individual winding up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or protect against the device from working in a proper way – while also positioning a ransom note that states the demand for the victims to effect the payment for the purpose of decrypting the files or bring back the data system back to the first condition. In many instances, the ransom note will come up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.FJSQ circulation networks.

In various edges of the world, Win32/Kryptik.FJSQ expands by jumps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom quantity may differ relying on specific local (regional) settings. The ransom money notes and techniques of obtaining the ransom money amount might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In particular locations, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software piracy is less popular, this method is not as efficient for the cyber frauds. Conversely, the Win32/Kryptik.FJSQ popup alert may falsely declare to be deriving from a law enforcement establishment and will report having situated kid porn or various other illegal data on the tool.

    Win32/Kryptik.FJSQ popup alert may wrongly assert to be obtaining from a regulation enforcement establishment and will certainly report having situated youngster pornography or various other illegal data on the device. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 521C14A3
md5: be00e732c88f3e4ecbebcc11022f256c
name: BE00E732C88F3E4ECBEBCC11022F256C.mlw
sha1: 65490f336878f50ed270cc47fc0e51732552cb65
sha256: ba1573c22b5837c4442c4b5164941fe86a97f7bcd2679518ff6dc8c8fa9d4b32
sha512: 82abbdb7d1036fb5c8f1e767f5b3e33ee57f2e3cff5c0175d7079a9f43a66395442d4aab08fd18af951ef119ca5cac573bd1fcecbbcfe937917269af5a895c30
ssdeep: 6144:dlzJy3qyGpBpFWxPikfRZ98+6GrR/GA3aGskW:k3/MLWxa2RZ98+6e3aGJW
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

eUp Software: Rx15x01FileDescription
Comments: @x10x01CompanyName
eUp Utilities 2014: @x0ex01ProductVersion
yright xa9 AVG Netherlands B. V. 2011: Lx12x01LegalTrademarks
eUp Utilitiesx2122: Lx16x01ProductName
0.1000.340: D
eUp Report Center: <x0ex01FileVersion
Translation: 0x0407 0x04b0

Win32/Kryptik.FJSQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005224381 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.7074
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.Crowti.MUE.A4
ALYac Trojan.Ransom.Cerber.CI
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.972137
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004fdc2c1 )
Cybereason malicious.2c88f3
Baidu Win32.Trojan.Kryptik.ayf
Cyren W32/Kryptik.CUI.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.FJSQ
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Cerber-9846087-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Cerber.CI
NANO-Antivirus Trojan.Win32.Encoder.evdcgp
MicroWorld-eScan Trojan.Ransom.Cerber.CI
Tencent Malware.Win32.Gencirc.10b77080
Ad-Aware Trojan.Ransom.Cerber.CI
Sophos ML/PE-A + Mal/Cerber-B
Comodo TrojWare.Win32.Filecoder.CB@6q31oo
BitDefenderTheta Gen:NN.ZexaF.34686.tq1@au2POs3S
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMEJ5
McAfee-GW-Edition BehavesLike.Win32.Emotet.fh
FireEye Generic.mg.be00e732c88f3e4e
Emsisoft Trojan.Ransom.Cerber.CI (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.aff
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1141466
eGambit Unsafe.AI_Score_98%
Microsoft Ransom:Win32/Cerber.F
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm Trojan.Win32.Menti.gen
GData Trojan.Ransom.Cerber.CI
AhnLab-V3 Win-Trojan/Lukitus2.Exp
Acronis suspicious
McAfee Ransom-Cerber!BE00E732C88F
MAX malware (ai score=100)
VBA32 Hoax.Zerber
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SMEJ5
Rising Trojan.Kryptik!1.A877 (RDMK:cmRtazq0vmLg0EJ604w4x3wfgNbH)
Yandex Trojan.GenAsa!cjn9RyZ2kOs
Ikarus Trojan-Ransom.Cerber
Fortinet W32/Kryptik.HGZD!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.FJSQ 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.FJSQ 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.FJSQ 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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