Win32/Kryptik.GCUF

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

What is Win32/Kryptik.GCUF infection?

In this short article you will certainly locate regarding the interpretation of Win32/Kryptik.GCUF and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/Kryptik.GCUF infection will certainly advise its victims to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Kryptik.GCUF Summary

These adjustments 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 papers found on the target’s hard disk drive — so the victim can no longer use the information;
  • Preventing routine accessibility to the target’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.GCUF

The most regular channels through which Win32/Kryptik.GCUF are injected are:

  • By means of phishing emails;
  • As a consequence of user winding up on a resource that organizes a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the information on the victim’s computer or avoid the tool from functioning in an appropriate fashion – while also positioning a ransom money note that discusses the requirement for the sufferers to effect the repayment for the objective of decrypting the documents or recovering the file system back to the initial problem. In the majority of circumstances, the ransom money note will show up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GCUF distribution networks.

In different edges of the globe, Win32/Kryptik.GCUF expands by leaps and bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom amount might differ depending upon specific regional (regional) settings. The ransom money notes and techniques of extorting the ransom quantity may vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The alert then requires the user to pay the ransom.

    Faulty declarations concerning prohibited material.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.GCUF popup alert might falsely declare to be deriving from a police institution as well as will report having located kid pornography or other illegal information on the gadget.

    Win32/Kryptik.GCUF popup alert might incorrectly declare to be deriving from a legislation enforcement establishment and will report having located youngster porn or other illegal information on the device. The alert will likewise consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: C18170F9
md5: 1cf8f4e2f01b48edaf1b5fb01779e777
name: 1CF8F4E2F01B48EDAF1B5FB01779E777.mlw
sha1: a71329951a07525bffb39842f0dc8bff46d1f7d0
sha256: 4fa10afd5cc6a8259424b6e8e928c17f8ab02b168bba2f0bba0d2518018ef747
sha512: 6858127f43da80410a443fee9fdf8d2018f1f3bf2530ee8fa331ed5305338c94cb62c7a66d2c70d30a395db35ebf5dbc3378d5060bb996303c2e5e9babef045b
ssdeep: 6144:wnDAIYFQj05mNG8Zh5X97hIASBtS5Wz5lXl:wnDAC05UGaat/bXl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

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

Win32/Kryptik.GCUF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.BRMon.Gen.1
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.BRMon.Gen.1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0053305e1 )
BitDefender Trojan.BRMon.Gen.1
K7GW Trojan ( 0053305e1 )
Cybereason malicious.2f01b4
Cyren W32/S-7a4ad47a!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast FileRepMalware
ClamAV Win.Packer.Crypter-6539596-1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba VirTool:Win32/Obfuscator.243e6c53
NANO-Antivirus Trojan.Win32.Stealer.extjny
ViRobot Trojan.Win32.Agent.239616.X
AegisLab Trojan.Win32.GandCrypt.tphf
Rising Malware.Obscure/Heur!1.9E03 (CLOUD)
Ad-Aware Trojan.BRMon.Gen.1
TACHYON Ransom/W32.GandCrypt.239616.B
Emsisoft Trojan.BRMon.Gen.1 (B)
Comodo TrojWare.Win32.Ransom.GandCrab.A@7jk3ar
F-Secure Heuristic.HEUR/AGEN.1103299
DrWeb Trojan.PWS.Stealer.21456
Zillya Trojan.GandCrypt.Win32.25
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
MaxSecure Ransomeware.CRAB.gen
FireEye Generic.mg.1cf8f4e2f01b48ed
Sophos Mal/Generic-R + Mal/GandCrab-D
Ikarus Trojan-Ransom.FileCrypter
Jiangmin Trojan.GandCrypt.l
Avira HEUR/AGEN.1103299
Antiy-AVL Trojan[Ransom]/Win32.GandCrypt
Microsoft VirTool:Win32/Obfuscator.CAP
Arcabit Trojan.BRMon.Gen.1
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BRMon.Gen.1
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/MalPe34.Suspicious.X2029
Acronis suspicious
McAfee Packed-ZG!1CF8F4E2F01B
MAX malware (ai score=100)
VBA32 TrojanRansom.GandCrypt
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GCUF
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Tencent Malware.Win32.Gencirc.10b58614
Yandex Trojan.GenAsa!UNsDnAjWS+M
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.GHPL!tr
BitDefenderTheta Gen:NN.ZexaF.34590.oy0@a4BxH7kG
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Generic/Trojan.dfd

How to remove Win32/Kryptik.GCUF 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.GCUF 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.GCUF 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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