Win32/Kryptik.FRCF

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

What is Win32/Kryptik.FRCF infection?

In this article you will certainly locate concerning the definition of Win32/Kryptik.FRCF and also its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by on-line fraudulences to require paying the ransom money by a victim.

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In the majority of the situations, Win32/Kryptik.FRCF ransomware will certainly instruct its victims to initiate funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.FRCF Summary

These adjustments 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);
  • 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.;
  • 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;
  • Deletes its original binary from disk;
  • 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 copy of itself;
  • Ciphering the records located on the sufferer’s disk drive — so the target can no longer use 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.FRCF

The most normal networks whereby Win32/Kryptik.FRCF Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a resource that holds a destructive software;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s PC or stop the tool from working in an appropriate way – while additionally putting a ransom money note that points out the need for the sufferers to impact the payment for the function of decrypting the files or restoring the documents system back to the preliminary condition. In many instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Kryptik.FRCF distribution networks.

In various corners of the world, Win32/Kryptik.FRCF expands by leaps and also bounds. Nonetheless, the ransom notes and also methods of extorting the ransom quantity might differ depending upon certain regional (local) setups. The ransom money notes and techniques of extorting the ransom amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the sufferer’s gadget. The alert then requires the individual to pay the ransom.

    Faulty statements regarding unlawful content.

    In nations where software piracy is less preferred, this technique is not as effective for the cyber scams. Conversely, the Win32/Kryptik.FRCF popup alert might falsely declare to be deriving from a law enforcement establishment and also will report having situated youngster pornography or various other illegal information on the device.

    Win32/Kryptik.FRCF popup alert may wrongly claim to be deriving from a law enforcement establishment and also will certainly report having located youngster pornography or various other unlawful data on the device. The alert will likewise consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 6972F4C3
md5: bb1c6e881919872ed67b4369a686f807
name: BB1C6E881919872ED67B4369A686F807.mlw
sha1: 607aef452723d066774cc8dfbbca0ed7bfc44675
sha256: 0d82104cb72750a0a1cbc7170914e49cf5aded005e2da7b29406428096de0677
sha512: f50cad13ab2c1b01d8be0f90fc31c115953406b9722c67ec348cc9ed70af98eb09833e390819a4551ca9e29a19b10b7228390c22a4ccc2365baee5c1a5b1e28d
ssdeep: 6144:AeTJTcNCTUqapKJaVOgCMGPjC2Jgn6DFiPRz3TqvgwvXio8yMS7sPz:AeTuNhqiKJRbO2Jgn6BiPRz3TsgW7sPz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: 1BN Software & IT Solutions Copyright xa9. All rights reserved.
InternalName: Ttfn Within
FileVersion: 9.5.7.1
CompanyName: 1BN Software & IT Solutions
FileDescription: Breaking Aspi Attachment Continous
LegalTrademarks: 1BN Software & IT Solutions Copyright xa9. All rights reserved.
ProductName: Ttfn Within
ProductVersion: 9.5.7.1
PrivateBuild: 9.5.7.1
OriginalFilename: Ttfn Within
Translation: 0x0409 0x04b0

Win32/Kryptik.FRCF also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0056e8fe1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.18284
CynetMalicious (score: 100)
ALYacGen:Variant.Crypt.44
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Foreign.88f02a06
K7GWTrojan ( 0056e8fe1 )
Cybereasonmalicious.819198
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.FRCF
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Foreign.ntsg
BitDefenderGen:Variant.Crypt.44
NANO-AntivirusTrojan.Win32.Stealer.evoike
MicroWorld-eScanGen:Variant.Crypt.44
TencentWin32.Trojan.Foreign.Pezk
Ad-AwareGen:Variant.Crypt.44
SophosMal/Generic-S
ComodoMalware@#3hs1qrbi7n9gd
BitDefenderThetaGen:NN.ZexaF.34608.xq0@aaAI9Nci
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPLOCKY.SME
McAfee-GW-EditionBehavesLike.Win32.Dropper.fc
FireEyeGeneric.mg.bb1c6e881919872e
EmsisoftGen:Variant.Crypt.44 (B)
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1111823
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Viknok.B
ArcabitTrojan.Crypt.44
GDataGen:Variant.Crypt.44
AhnLab-V3Trojan/Win32.Foreign.C2481210
Acronissuspicious
McAfeeArtemis!BB1C6E881919
MAXmalware (ai score=97)
VBA32BScope.Trojan.Yakes
MalwarebytesMachineLearning/Anomalous.95%
PandaTrj/CI.A
TrendMicro-HouseCallRansom_HPLOCKY.SME
RisingRansom.Foreign!8.292 (CLOUD)
YandexTrojan.Foreign!RyGo358LQrU
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.FOLV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Foreign.HwoCsxsA

How to remove Win32/Kryptik.FRCF 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.

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.FRCF 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.FRCF 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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