Win32/Kryptik.FOCK

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

What is Win32/Kryptik.FOCK infection?

In this short article you will certainly find concerning the definition of Win32/Kryptik.FOCK as well as its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.FOCK infection will instruct its sufferers to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

Win32/Kryptik.FOCK 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.
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the files located on the sufferer’s disk drive — so the sufferer can no more utilize the data;
  • Preventing normal accessibility 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.
Similar behavior
Related domains
z.whorecord.xyz Ransomware-FMJ!3F23266B247D
a.tomx.xyz Ransomware-FMJ!3F23266B247D

Win32/Kryptik.FOCK

The most regular networks whereby Win32/Kryptik.FOCK Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a source that hosts a destructive software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or prevent the tool from working in a proper manner – while likewise positioning a ransom money note that discusses the requirement for the targets to impact the settlement for the objective of decrypting the documents or bring back the file system back to the preliminary problem. In a lot of instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.FOCK circulation networks.

In various corners of the globe, Win32/Kryptik.FOCK grows by leaps and also bounds. However, the ransom money notes as well as techniques of obtaining the ransom amount might differ relying on particular local (regional) settings. The ransom notes and also tricks of extorting the ransom amount might differ depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the victim’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty declarations about unlawful content.

    In countries where software piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.FOCK popup alert may wrongly declare to be originating from a law enforcement organization and also will certainly report having situated youngster pornography or other unlawful data on the gadget.

    Win32/Kryptik.FOCK popup alert may falsely assert to be acquiring from a legislation enforcement institution and will certainly report having located youngster pornography or various other illegal data on the device. The alert will similarly consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: BC29B7FD
md5: 3f23266b247d3cd2d2392c51272e57a6
name: 3F23266B247D3CD2D2392C51272E57A6.mlw
sha1: 0751f6f4acfde6409a80c3261e5ae92ac2c5d01a
sha256: 1e45a8d1740e065d723b974a4ae8acddb2febaf815cd32543e889866e0a476bd
sha512: f32e529a84a8d24ada877bba191eaa722ef491cdb301f5a0ddd382ee727a7b5da50f7e47285149c5c104962e259e7a05a103312c78879643a76718f70b82cddb
ssdeep: 1536:n+rvw+jSYdRizIKcq9Gk+HtuFlybpsfpGMhbvV8DuR:h+jFQzIHq9T+NuFlybW9v
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOCK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Agiala.24
FireEye Generic.mg.3f23266b247d3cd2
McAfee Ransomware-FMJ!3F23266B247D
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00507d2a1 )
K7GW Trojan ( 00504d591 )
Cybereason malicious.b247d3
BitDefenderTheta Gen:NN.ZexaF.34590.hmW@aOBgegli
Cyren W32/Cerber.BJWM-4865
Symantec Packed.Generic.493
Baidu Win32.Trojan.Cerber.k
APEX Malicious
Avast Win32:Filecoder-AY [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Agiala.24
NANO-Antivirus Trojan.Win32.Sphinx.evdvvq
Tencent Win32.Trojan.Kryptik.Llhj
Ad-Aware Gen:Variant.Agiala.24
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Heuristic.HEUR/AGEN.1116787
DrWeb Trojan.PWS.Sphinx.2
Zillya Trojan.Spora.Win32.32
TrendMicro Ransom_CERBER.SM4
McAfee-GW-Edition BehavesLike.Win32.Ransomware.ct
Emsisoft Gen:Variant.Agiala.24 (B)
Ikarus Trojan.Ransom.Spora
Jiangmin Trojan.Spora.af
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1116787
Antiy-AVL Trojan[Ransom]/Win32.Spora
Microsoft Ransom:Win32/Spora.A
Arcabit Trojan.Agiala.24
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Agiala.24
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Cerber.R195012
Acronis suspicious
VBA32 Hoax.Spora
ALYac Gen:Variant.Agiala.24
MAX malware (ai score=80)
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.FOCK
TrendMicro-HouseCall Ransom_CERBER.SM4
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.GenAsa!FV2U1xLVx4A
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.GKVH!tr
AVG Win32:Filecoder-AY [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.Filecoder.HxQBqUMA

How to remove Win32/Kryptik.FOCK virus?

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.FOCK 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.FOCK 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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