Win32/Kryptik.GFWN

What is Win32/Kryptik.GFWN infection?

In this post you will certainly locate about the definition of Win32/Kryptik.GFWN and its negative effect on your computer. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom money by a victim.

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In the majority of the situations, Win32/Kryptik.GFWN virus will instruct its victims to initiate funds move for the function of counteracting the changes that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.GFWN 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 sufferer’s disk drive — so the target can no more utilize the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Kryptik.GFWN

One of the most normal networks where Win32/Kryptik.GFWN Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of user winding up on a source that organizes a destructive software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or prevent the tool from working in a proper manner – while likewise placing a ransom money note that states the need for the sufferers to impact the settlement for the objective of decrypting the documents or recovering the file system back to the initial problem. In most circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.GFWN distribution networks.

In different corners of the world, Win32/Kryptik.GFWN expands by leaps as well as bounds. However, the ransom money notes and also techniques of obtaining the ransom quantity might vary depending on certain regional (regional) settings. The ransom notes as well as tricks of extorting the ransom amount may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually detected some unlicensed applications enabled on the victim’s device. The sharp after that requires the customer to pay the ransom.

    Faulty declarations concerning illegal content.

    In countries where software piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.GFWN popup alert may wrongly assert to be stemming from a police institution and will report having located kid pornography or other unlawful data on the gadget.

    Win32/Kryptik.GFWN popup alert might falsely declare to be deriving from a law enforcement organization and also will certainly report having situated youngster pornography or various other unlawful data on the tool. The alert will in a similar way include a need for the user to pay the ransom.

Technical details

File Info:

crc32: E0045D2F
md5: d23b3d467f3aa17e2e9b12ac140ff824
name: D23B3D467F3AA17E2E9B12AC140FF824.mlw
sha1: 266b1c94970ffc40af7c7d70ca2d12051c7d6f5d
sha256: 888473eeac940ed7609e2fdc49842bd46fa346dd92d4c44f3d0bfe619389e0aa
sha512: 3ad9cf619c44560afba0db53dc70882ce283229a872b00a810df2b732dbeb50acfea95d3653c38b557a9c34602c1f7cf26b2339be80df47b0e9f2a7e11a1a73b
ssdeep: 3072:HRii7BSvBWzcyAJyF4tGZlengh+C+RghBWmMugk1xE3BFfbFW3keS4i1oAhu357:tlkwZlHhbLskU3BJxyx3d
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GFWN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.48782
Cynet Malicious (score: 100)
ALYac Trojan.Mint.Zamg.L
Cylance Unsafe
Zillya Trojan.Gozi.Win32.83
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0052ec401 )
Cybereason malicious.67f3aa
Cyren W32/S-2addaa94!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GFWN
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Mint.Zamg.L
NANO-Antivirus Trojan.Win32.Kryptik.famdmk
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.Mint.Zamg.L
Tencent Win32.Trojan.Generic.Wofr
Ad-Aware Trojan.Mint.Zamg.L
Sophos ML/PE-A + Mal/GandCrab-C
Comodo TrojWare.Win32.Quant.C@7me2xn
BitDefenderTheta Gen:NN.ZexaF.34670.ruW@a08f7Zg
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
FireEye Generic.mg.d23b3d467f3aa17e
Emsisoft Trojan.Mint.Zamg.L (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.yov
Avira HEUR/AGEN.1106533
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Gandcrab.SF!MTB
Arcabit Trojan.Mint.Zamg.L
AegisLab Trojan.Win32.Coins.i!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Mint.Zamg.L
TACHYON Trojan-PWS/W32.Coins.289792.D
AhnLab-V3 Trojan/Win32.Gandcrab.C2472523
Acronis suspicious
McAfee GenericRXEY-NS!D23B3D467F3A
MAX malware (ai score=100)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Rising Trojan.Kryptik!1.B1C1 (CLOUD)
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.BXPP!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCzHIA

How to remove Win32/Kryptik.GFWN ransomware?

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.

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Press “Install” button.

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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.GFWN 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.GFWN 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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