Win32/Kryptik.FQTJ

What is Win32/Kryptik.FQTJ infection?

In this short article you will discover regarding the meaning of Win32/Kryptik.FQTJ and its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

In the majority of the situations, Win32/Kryptik.FQTJ infection will certainly instruct its sufferers to initiate funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.FQTJ 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.
  • Injection with CreateRemoteThread in a remote process;
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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;
  • Queries information on disks for anti-virtualization via Device Information APIs;
  • Sniffs keystrokes;
  • 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
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Ciphering the files found on the sufferer’s hard disk — so the sufferer can no more utilize the information;
  • Preventing regular access to the target’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.FQTJ

The most common networks whereby Win32/Kryptik.FQTJ Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a resource that organizes a harmful software;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s PC or protect against the gadget from functioning in a correct way – while likewise placing a ransom note that discusses the requirement for the targets to impact the repayment for the function of decrypting the files or restoring the data system back to the preliminary condition. In the majority of circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.FQTJ distribution networks.

In numerous edges of the world, Win32/Kryptik.FQTJ grows by jumps as well as bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom amount might differ depending upon specific neighborhood (regional) settings. The ransom money notes and techniques of obtaining the ransom money quantity might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications enabled on the target’s gadget. The alert then demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In countries where software program piracy is much less popular, this approach is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.FQTJ popup alert may falsely claim to be deriving from a law enforcement establishment as well as will report having situated child pornography or various other illegal information on the gadget.

    Win32/Kryptik.FQTJ popup alert may wrongly assert to be deriving from a law enforcement institution as well as will certainly report having situated youngster pornography or other prohibited data on the gadget. The alert will in a similar way contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 24E84AF9md5: fd8f14fff177a56938832bac48d96ca0name: FD8F14FFF177A56938832BAC48D96CA0.mlwsha1: 3dec7565240fc79d82a0b000671209f369d84724sha256: 1474a707c4b3452ce6b05c7b4ad802201b73c0e59c6c858b10cdfcd015f1a432sha512: e0b43a616eefd77c78293e81883d76baf11bbf56a0cb53c7cfb643a6289d25636d9925aed4559f7f1d28c5c50bc187e8e13dcc464fc59691c1a9b0e2b55ce660ssdeep: 6144:KE/B7oLnyXCtvAC3nUVqgaa97YW39ev0jb7ENOPhhRmJod/9QFz0f8J:h/AnyXA3n0QoMW39ev+E0ZhBytype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FQTJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00515aa21 )
Elastic malicious (high confidence)
DrWeb BackDoor.Gozi.85
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Gen:Variant.Ransom.Locky.173
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1175286
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanSpy:Win32/Ursnif.a5331f56
K7GW Trojan ( 00515aa21 )
Cybereason malicious.ff177a
Cyren W32/S-549697ec!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FQTJ
APEX Malicious
Avast Win32:Filecoder-AY [Trj]
Kaspersky HEUR:Trojan-Ransom.Win32.Zerber.vho
BitDefender Gen:Variant.Ransom.Locky.173
NANO-Antivirus Trojan.Win32.Kryptik.enprms
MicroWorld-eScan Gen:Variant.Ransom.Locky.173
Tencent Win32.Trojan.Generic.Egep
Ad-Aware Gen:Variant.Ransom.Locky.173
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Spy.Ursnif.F@6yrdiv
BitDefenderTheta Gen:NN.ZexaF.34628.uqW@aeyeI!ii
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SM37
McAfee-GW-Edition BehavesLike.Win32.Ransomware.fc
FireEye Generic.mg.fd8f14fff177a569
Emsisoft Gen:Variant.Ransom.Locky.173 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.okz
Avira HEUR/AGEN.1120889
Microsoft TrojanSpy:Win32/Ursnif.BM!MTB
Arcabit Trojan.Ransom.Locky.173
AegisLab Trojan.Win32.Androm.m!c
GData Gen:Variant.Ransom.Locky.173
Acronis suspicious
McAfee Ransom-Spora!FD8F14FFF177
MAX malware (ai score=100)
VBA32 BScope.Backdoor.Sinowal.5
Malwarebytes Trojan.MalPack
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CERBER.SM37
Rising Trojan.Kryptik!1.ABF9 (CLOUD)
Ikarus Trojan-Ransom.Cerber
Fortinet W32/GenKryptik.AFCC!tr
AVG Win32:Filecoder-AY [Trj]
Qihoo-360 Win32/TrojanPSW.Gozi.HxQBEpsA

How to remove Win32/Kryptik.FQTJ 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Kryptik.FQTJ you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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