Win32/Kryptik.GCUK

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

What is Win32/Kryptik.GCUK infection?

In this article you will locate concerning the meaning of Win32/Kryptik.GCUK as well as its adverse effect on your computer. Such ransomware are a type of malware that is specified by online scams to require paying the ransom by a target.

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Most of the cases, Win32/Kryptik.GCUK ransomware will advise its victims to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has introduced to the victim’s gadget.

Win32/Kryptik.GCUK Summary

These alterations can be as follows:

  • Unconventionial language used in binary resources: Czech;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the victim can no more use the data;
  • 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.GCUK

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

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or stop the gadget from functioning in a correct manner – while also positioning a ransom note that discusses the requirement for the targets to impact the settlement for the function of decrypting the records or restoring the file system back to the initial condition. In most circumstances, the ransom money note will show up when the customer restarts the PC after the system has currently been harmed.

Win32/Kryptik.GCUK circulation channels.

In various edges of the world, Win32/Kryptik.GCUK grows by jumps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom quantity might vary relying on certain regional (local) setups. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on particular regional (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s tool. The alert then requires the individual to pay the ransom money.

    Faulty statements concerning unlawful content.

    In nations where software application piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.GCUK popup alert might incorrectly claim to be deriving from a police institution and will certainly report having located kid porn or other unlawful data on the gadget.

    Win32/Kryptik.GCUK popup alert may incorrectly assert to be deriving from a law enforcement establishment as well as will report having located kid pornography or various other prohibited information on the device. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: E7BADC8D
md5: f714d6755ae3682d24ab07bb6b302d34
name: F714D6755AE3682D24AB07BB6B302D34.mlw
sha1: 68e599a7ca0b715364f01abb9261bfe05afd36b0
sha256: 07e80d7fd60d297075969afe6e5e7bd654d4c4086f638095f6aa314764525873
sha512: ec5a2006e6dc3cd099785713fd4c715acdd91053281be2a272efc797855ef951fe4eb1a74cda6d2e686731ed29748dd00c9d959be2c81d9664c7ca049eaec610
ssdeep: 6144:AS/tzP1Gd7Z5Gp3dbB+8P1YkzXOJota4Xh:AS/tgd7Z5GZ/+8PJXO5K
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, nacosrgero
InternalName: egahfghjfghj.exe
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

Win32/Kryptik.GCUK also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.1932
MicroWorld-eScanTrojan.BRMon.Gen.1
CAT-QuickHealTrojan.Mauvaise.SL1
Qihoo-360Win32/Trojan.309
ALYacTrojan.BRMon.Gen.1
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Scar.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0053305e1 )
BitDefenderTrojan.BRMon.Gen.1
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.55ae36
BitDefenderThetaGen:NN.ZexaF.34608.oy0@aOwm2EmG
CyrenW32/S-7a4ad47a!Eldorado
SymantecPacked.Generic.525
APEXMalicious
AvastFileRepMalware
ClamAVWin.Packer.Crypter-6539596-1
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Stealer.exqtxj
ViRobotTrojan.Win32.Agent.230912.S
TencentMalware.Win32.Gencirc.10b42b44
Ad-AwareTrojan.BRMon.Gen.1
EmsisoftTrojan.BRMon.Gen.1 (B)
ComodoTrojWare.Win32.Ransom.GandCrab.A@7jk3ar
F-SecureHeuristic.HEUR/AGEN.1103299
ZillyaTrojan.Scar.Win32.108252
TrendMicroRansom_HPGANDCRAB.SMG2
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.f714d6755ae3682d
SophosML/PE-A + Mal/GandCrab-D
IkarusTrojan-Ransom.FileCrypter
GDataTrojan.BRMon.Gen.1
JiangminTrojan.Nymaim.dyh
AviraHEUR/AGEN.1103299
Antiy-AVLTrojan/Win32.Nymaim
ArcabitTrojan.BRMon.Gen.1
SUPERAntiSpywareTrojan.Agent/Gen-Emotet
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftVirTool:Win32/Obfuscator.CAP
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/MalPe34.Suspicious.X2029
Acronissuspicious
McAfeePacked-ZG!F714D6755AE3
MAXmalware (ai score=100)
VBA32TrojanRansom.GandCrypt
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Kryptik.GCUK
TrendMicro-HouseCallRansom_HPGANDCRAB.SMG2
RisingMalware.Obscure/Heur!1.9E03 (RDMK:cmRtazp6O9FXAhnbPgiS9AAvmUbc)
YandexTrojan.GenAsa!AX9k07jMv4o
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/GenKryptik.CNAR!tr
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureRansomeware.CRAB.gen

How to remove Win32/Kryptik.GCUK 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.GCUK 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.GCUK 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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