Win32/Kryptik.FPFZ

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

What is Win32/Kryptik.FPFZ infection?

In this short article you will find about the interpretation of Win32/Kryptik.FPFZ as well as its adverse impact on your computer system. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a sufferer.

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Most of the cases, Win32/Kryptik.FPFZ infection will instruct its victims to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has introduced to the sufferer’s device.

Win32/Kryptik.FPFZ Summary

These modifications 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.
  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • 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 remove evidence of file being downloaded from the Internet;
  • 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!
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • 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 documents situated on the target’s hard disk — so the target can no more utilize the information;
  • Preventing normal access to the sufferer’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.FPFZ

The most common networks through which Win32/Kryptik.FPFZ are injected are:

  • By ways of phishing emails;
  • As a consequence of individual ending up on a source that hosts a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or prevent the device from working in a proper way – while likewise placing a ransom note that states the demand for the victims to impact the settlement for the function of decrypting the documents or bring back the data system back to the preliminary problem. In many instances, the ransom money note will certainly turn up when the client reboots the PC after the system has actually already been harmed.

Win32/Kryptik.FPFZ distribution channels.

In numerous edges of the world, Win32/Kryptik.FPFZ expands by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom money quantity may vary depending on specific regional (regional) setups. The ransom money notes and tricks of extorting the ransom quantity may differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having found some unlicensed applications enabled on the target’s device. The sharp after that demands the customer to pay the ransom.

    Faulty declarations regarding unlawful content.

    In nations where software piracy is much less prominent, this technique is not as efficient for the cyber fraudulences. Additionally, the Win32/Kryptik.FPFZ popup alert may incorrectly assert to be deriving from a law enforcement institution and will certainly report having situated kid porn or various other illegal data on the gadget.

    Win32/Kryptik.FPFZ popup alert might wrongly claim to be acquiring from a law enforcement organization as well as will report having located child porn or various other prohibited data on the gadget. The alert will similarly have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 2FAEC389
md5: eb816f135aafd7871051c0ff93b0b8dd
name: EB816F135AAFD7871051C0FF93B0B8DD.mlw
sha1: c3bd15e3a908acc1d8ec21ce1fa5bb0beb96d070
sha256: 5192070942bf5242433f756a5f4ffd0c8e7a28f435b5cd814441339cb6372bc7
sha512: 893914c8c4ea4fb3b06c5daac43a702bf484d744fc729315f1fa20c7b0b0e5e88887360072df23becdffde7ec67875837e547d9057f92b0395047af33f21cc9a
ssdeep: 768:44Yc+ClBWVc6J9N3NHZjUrmf2mIXEQxh404qrYBdBHvGv/8JD:44YcbBqlr4VUQ7404WuPHu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FPFZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00507a9d1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen1.62773
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A4
ALYac Gen:Variant.Symmi.73169
Cylance Unsafe
Zillya Trojan.Spora.Win32.270
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Spora.5de3a6b1
K7GW Trojan ( 00507a9d1 )
Cybereason malicious.35aafd
Cyren W32/S-26bbd9ea!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FPFZ
APEX Malicious
Avast Win32:Filecoder-BD [Trj]
ClamAV Win.Malware.Zusy-6238475-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.73169
NANO-Antivirus Trojan.Win32.Spora.emlxzu
SUPERAntiSpyware Ransom.Spora/Variant
MicroWorld-eScan Gen:Variant.Symmi.73169
Ad-Aware Gen:Variant.Symmi.73169
Sophos ML/PE-A + Mal/Elenoocka-E
BitDefenderTheta Gen:NN.ZexaF.34738.eqW@aK11xnek
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SM3B
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.kt
FireEye Generic.mg.eb816f135aafd787
Emsisoft Gen:Variant.Symmi.73169 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.brqmj
Webroot Trojan.Dropper.Ransom.Gen
Avira HEUR/AGEN.1105007
eGambit Unsafe.AI_Score_73%
Antiy-AVL Trojan/Generic.ASMalwS.1ECEF18
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Spora
Arcabit Trojan.Symmi.D11DD1
AegisLab Trojan.Win32.Spora.tny1
GData Gen:Variant.Symmi.73169
AhnLab-V3 Trojan/Win32.Spora.R196340
Acronis suspicious
McAfee Ransom-Spora!EB816F135AAF
MAX malware (ai score=88)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.MalPack
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CERBER.SM3B
Rising [email protected] (RDML:r3hZ34wzhrMVjKveMSO3jg)
Ikarus Trojan-Ransom.Spora
Fortinet W32/Kryptik.GKVH!tr
AVG Win32:Filecoder-BD [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.FPFZ 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.FPFZ 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.FPFZ 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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