Win32/Kryptik.FWWH

What is Win32/Kryptik.FWWH infection?

In this post you will certainly locate about the meaning of Win32/Kryptik.FWWH and its negative impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom by a sufferer.

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Most of the cases, Win32/Kryptik.FWWH infection will certainly advise its sufferers to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Kryptik.FWWH 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 (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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;
  • Enumerates services, possibly for anti-virtualization;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s hard disk — so the target can no more make use of the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom-Locky!CC3F9799F13E
a.tomx.xyz Ransom-Locky!CC3F9799F13E
microsoft-com.mail.protection.outlook.com Ransom-Locky!CC3F9799F13E

Win32/Kryptik.FWWH

The most normal networks where Win32/Kryptik.FWWH Ransomware Trojans are infused are:

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

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or prevent the tool from operating in a correct manner – while likewise placing a ransom money note that points out the requirement for the victims to effect the payment for the objective of decrypting the documents or restoring the file system back to the first condition. In most circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.FWWH distribution channels.

In various edges of the world, Win32/Kryptik.FWWH grows by jumps as well as bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom amount may vary relying on particular local (regional) setups. The ransom money notes and techniques of extorting the ransom money quantity may differ depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software application piracy is less popular, this approach is not as reliable for the cyber frauds. Additionally, the Win32/Kryptik.FWWH popup alert might falsely assert to be stemming from a police establishment as well as will report having located youngster pornography or various other prohibited information on the device.

    Win32/Kryptik.FWWH popup alert may wrongly claim to be acquiring from a legislation enforcement institution and will certainly report having located youngster porn or various other unlawful data on the gadget. The alert will similarly include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 879183B9
md5: cc3f9799f13e9825ba4059f8c156df69
name: CC3F9799F13E9825BA4059F8C156DF69.mlw
sha1: 467a644301337bb474d49c544174a789ca7b37f3
sha256: 6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819
sha512: a0720c1c0fa3f47eda64207122d7f5a2ec3bd209a819480c253e59902425c5cad1ddff2fdff9ba762b86e0f14d559e231374b92a1dbe0e60fe1b0b93088a79e1
ssdeep: 393216:HMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM:HMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FWWH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.40579
FireEye Generic.mg.cc3f9799f13e9825
McAfee Ransom-Locky!CC3F9799F13E
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0051785e1 )
BitDefender Trojan.GenericKDZ.40579
K7GW Trojan ( 0051785e1 )
Cybereason malicious.9f13e9
TrendMicro Ransom_CERBER.SMALY0
Cyren W32/S-721a11f7!Eldorado
Symantec Packed.Generic.493
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Locky-7352150-0
Kaspersky HEUR:Trojan-Dropper.Win32.Agent.pef
NANO-Antivirus Trojan.Win32.Kryptik.gdpioz
Tencent Malware.Win32.Gencirc.10ce0837
Ad-Aware Trojan.GenericKDZ.40579
Emsisoft Trojan-Ransom.Locky (A)
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Heuristic.HEUR/AGEN.1120889
DrWeb Trojan.Siggen9.61899
Invincea ML/PE-A + Mal/Elenoocka-E
McAfee-GW-Edition BehavesLike.Win32.Ransomware.vc
Sophos Mal/Elenoocka-E
Ikarus Trojan-Ransom.Locky
Jiangmin Backdoor.Poison.aum
Avira HEUR/AGEN.1120889
MAX malware (ai score=87)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Backdoor:Win32/Tofsee.T
Arcabit Trojan.Generic.D9E83
ZoneAlarm HEUR:Trojan-Dropper.Win32.Agent.pef
GData Trojan.GenericKDZ.40579
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/RansomCrypt.Exp
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34634.@tW@aWdvr2c
ALYac Trojan.GenericKDZ.40579
VBA32 Trojan.FakeAV.01657
Malwarebytes Trojan.MalPack
ESET-NOD32 a variant of Win32/Kryptik.FWWH
TrendMicro-HouseCall Ransom_CERBER.SMALY0
Rising Trojan.Kryptik!1.AE8C (CLASSIC)
Yandex Trojan.Kryptik!b8n2yTzw2Cs
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_82%
Fortinet W32/Kryptik.GKVH!tr
AVG Win32:Trojan-gen
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM20.1.3FBB.Malware.Gen

How to remove Win32/Kryptik.FWWH 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

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.FWWH 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.FWWH 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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