Win32/Kryptik.FZZF

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.FZZF infection?

In this article you will discover concerning the meaning of Win32/Kryptik.FZZF and also its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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In the majority of the cases, Win32/Kryptik.FZZF virus will instruct its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.FZZF Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (1 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.
  • A process attempted to delay the analysis task.;
  • 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;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to delete volume shadow copies;
  • A system process is generating network traffic likely as a result of process injection;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Harvests information related to installed mail clients;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the sufferer’s disk drive — so the target can no longer make use of the information;
  • Preventing regular 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.
Similar behavior
Related domains
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Win32/Kryptik.FZZF

The most common channels through which Win32/Kryptik.FZZF are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual ending up on a source that holds a harmful software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or stop the gadget from operating in a correct way – while also placing a ransom money note that states the demand for the sufferers to impact the repayment for the objective of decrypting the records or recovering the documents system back to the first condition. In most circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.FZZF circulation channels.

In various edges of the world, Win32/Kryptik.FZZF grows by leaps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom amount may differ relying on certain regional (regional) setups. The ransom notes as well as tricks of obtaining the ransom money amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The alert then demands the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software piracy is less preferred, this method is not as effective for the cyber scams. Additionally, the Win32/Kryptik.FZZF popup alert may wrongly declare to be deriving from a law enforcement organization and will report having located youngster porn or other unlawful data on the device.

    Win32/Kryptik.FZZF popup alert may incorrectly claim to be obtaining from a law enforcement institution and will certainly report having situated youngster pornography or other illegal data on the tool. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 75C14336
md5: b878aff245e7393a7e39b1ca796d4bbc
name: B878AFF245E7393A7E39B1CA796D4BBC.mlw
sha1: c37cf8920ad5be6d718eb33112c148e803fe0e64
sha256: 8a83c59e88945c81eeb82f06d895358cb63c498aaddcfd1344721d4e5da68fca
sha512: 97d6c1dfcb2e922ca3ef46d7fccf99435745ee0f7ca413e89601722cfd44b08494414ef8a97d861cbdde5a0f9242caf2ebdd8eef59508aaa59122b8d11addf28
ssdeep: 6144:31JO34PIGBx4KiFZDZl4wM7t/k6vjW4NxBqFMlSo1V+Dk8kfjKV2e+ESF:31Jw4PBujFzl4w3QnnMFSto8fjA2ey
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FZZF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Cerber.1
FireEye Generic.mg.b878aff245e7393a
ALYac Trojan.Ransom.Cerber.1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Backdoor ( 005328fd1 )
BitDefender Trojan.Ransom.Cerber.1
K7GW Backdoor ( 005328fd1 )
Cybereason malicious.245e73
Baidu Win32.Trojan.Kryptik.alb
Symantec Packed.Generic.459
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Vucha.dc
Alibaba Ransom:Win32/Teerac.acaa1430
Ad-Aware Trojan.Ransom.Cerber.1
Emsisoft Trojan.Ransom.Cerber.1 (B)
Comodo TrojWare.Win32.Kryptik.FBWM@6gt9t1
F-Secure Trojan.TR/Crypt.ZPACK.Gen8
DrWeb Trojan.Encoder.761
Zillya Trojan.Vucha.Win32.617
TrendMicro Ransom_HPCERBER.SM3
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
Sophos ML/PE-A + Mal/Ransom-EJ
Ikarus Trojan.Win32.Krypt
Jiangmin Trojan.Vucha.aws
Avira TR/Crypt.ZPACK.Gen8
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.Vucha
Microsoft Ransom:Win32/Teerac.I
Arcabit Trojan.Ransom.Cerber.1
ZoneAlarm HEUR:Trojan.Win32.Vucha.dc
GData Trojan.Ransom.Cerber.1
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Trojan-FORL!B878AFF245E7
VBA32 BScope.TrojanPSW.Papras
Malwarebytes MachineLearning/Anomalous.100%
Panda Adware/SecurityProtection
ESET-NOD32 a variant of Win32/Kryptik.FZZF
TrendMicro-HouseCall Ransom_HPCERBER.SM3
Rising Trojan.Kryptik!1.AE9C (CLOUD)
Yandex Trojan.GenAsa!FamW2pxG6eU
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_94%
Fortinet W32/Kryptik.HGZD!tr
BitDefenderTheta AI:Packer.71E411391E
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.TorrentLocker.HxQBevkA

How to remove Win32/Kryptik.FZZF 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

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.FZZF 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.FZZF 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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