Win32/Kryptik.FOIB

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

What is Win32/Kryptik.FOIB infection?

In this short article you will certainly discover about the definition of Win32/Kryptik.FOIB and also its adverse influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom by a victim.

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In the majority of the instances, Win32/Kryptik.FOIB infection will certainly advise its targets to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the target’s gadget.

Win32/Kryptik.FOIB Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • Creates RWX memory;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup;
  • Spoofs its process name and/or associated pathname to appear as a legitimate process;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Collects information to fingerprint the system;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the target’s disk drive — so the sufferer can no more use the information;
  • Preventing routine accessibility to the sufferer’s workstation;

Related domains:

nutsystem1.bit Ransom:Win32/Blocker.ccd8f7e3
ns.dotbit.me Ransom:Win32/Blocker.ccd8f7e3
alors.deepdns.cryptostorm.net Ransom:Win32/Blocker.ccd8f7e3
onyx.deepdns.cryptostorm.net Ransom:Win32/Blocker.ccd8f7e3
ns1.any.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
ns1.random.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
ns2.random.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
anyone.dnsrec.meo.ws Ransom:Win32/Blocker.ccd8f7e3
ist.fellig.org Ransom:Win32/Blocker.ccd8f7e3
civet.ziphaze.com Ransom:Win32/Blocker.ccd8f7e3
ns2.fr.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
ns1.sg.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
ns1.nl.dns.d0wn.biz Ransom:Win32/Blocker.ccd8f7e3
ns1.domaincoin.net Ransom:Win32/Blocker.ccd8f7e3
ns2.domaincoin.net Ransom:Win32/Blocker.ccd8f7e3

Win32/Kryptik.FOIB

One of the most regular networks whereby Win32/Kryptik.FOIB Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a source that holds a destructive software program;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or stop the device from functioning in an appropriate manner – while also putting a ransom note that points out the need for the targets to effect the payment for the function of decrypting the files or recovering the data system back to the first condition. In the majority of instances, the ransom money note will come up when the customer restarts the PC after the system has currently been harmed.

Win32/Kryptik.FOIB distribution networks.

In different edges of the world, Win32/Kryptik.FOIB expands by jumps and also bounds. Nevertheless, the ransom notes and also methods of obtaining the ransom amount might differ depending on particular neighborhood (local) settings. The ransom notes and methods of extorting the ransom money amount might vary depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In particular areas, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The alert then requires the user to pay the ransom.

    Faulty statements concerning prohibited web content.

    In countries where software application piracy is much less preferred, this method is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.FOIB popup alert might wrongly claim to be deriving from a police organization as well as will report having situated youngster porn or various other unlawful data on the device.

    Win32/Kryptik.FOIB popup alert might incorrectly claim to be acquiring from a regulation enforcement organization as well as will certainly report having located child porn or various other illegal data on the tool. The alert will similarly include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 118B4AD2
md5: 655fdbe7e4479a0c24337b43b42802e1
name: 655FDBE7E4479A0C24337B43B42802E1.mlw
sha1: 1864e771ea50ff21a902e5d41b0b6fb874ff93d5
sha256: 424f862a0d5cb2b2b35e022975e2c9cb230bec782a9e5e5dc92620a833092722
sha512: 88d45f2f576d2e71ffe6297cb39613dead09746c04c546f1b1ae07b25b1c26e84334a8c10dc1dae30bbe13a22d9c4382020858c93ebc0f1b9019f8bf1814e02f
ssdeep: 6144:FghDIfX26O42AbZbh1SwtmOwBRYHQmnXUi1TU8Eeqt2gF:e5Ifm6rIFOuRYwGUa9Ee82g
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOIB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00504fe11 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader23.32524
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.S1132859
ALYac Gen:Variant.Zusy.324300
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1101623
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.ccd8f7e3
K7GW Trojan ( 00504fe11 )
Cybereason malicious.7e4479
Baidu Win32.Trojan.Kryptik.bjc
Cyren W32/S-e2e07e9d!Eldorado
Symantec Packed.Generic.521
ESET-NOD32 a variant of Win32/Kryptik.FOIB
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Malware.Mikey-9809358-0
Kaspersky Trojan-Ransom.Win32.Blocker.lkck
BitDefender Gen:Variant.Zusy.324300
NANO-Antivirus Trojan.Win32.Blocker.elnwfn
ViRobot Trojan.Win32.Agent.273408.P
SUPERAntiSpyware Backdoor.Andromeda/Variant
MicroWorld-eScan Gen:Variant.Zusy.324300
Tencent Malware.Win32.Gencirc.114a24c9
Ad-Aware Gen:Variant.Zusy.324300
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34770.qqW@ae3yQ8g
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0OFT21
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
FireEye Generic.mg.655fdbe7e4479a0c
Emsisoft Gen:Variant.Zusy.324300 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.gjs
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1129378
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Carberp.K
AegisLab Trojan.Multi.Generic.4!c
GData Gen:Variant.Zusy.324300
AhnLab-V3 Trojan/Win32.Scar.R195347
McAfee GenericRXAZ-EZ!655FDBE7E447
MAX malware (ai score=100)
VBA32 Trojan.Bublik
Malwarebytes Backdoor.Andromeda
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_Blocker.R002C0OFT21
Rising Trojan.Kryptik!1.A8FF (CLASSIC)
Yandex Trojan.GenAsa!dF+pWSQX8Dg
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.FPAL!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HwkAA20C

How to remove Win32/Kryptik.FOIB 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.FOIB 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.FOIB 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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