Win32/Kryptik.GCOP

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

What is Win32/Kryptik.GCOP infection?

In this article you will certainly discover about the definition of Win32/Kryptik.GCOP and also its adverse impact on your computer. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom money by a sufferer.

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Most of the instances, Win32/Kryptik.GCOP ransomware will instruct its victims to start funds transfer for the objective of neutralizing the changes that the Trojan infection has actually introduced to the target’s device.

Win32/Kryptik.GCOP Summary

These alterations can be as adheres to:

  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Collects information about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard disk drive — so the sufferer can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.GCOP

One of the most regular channels whereby Win32/Kryptik.GCOP Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that holds a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or stop the tool from operating in a proper way – while additionally putting a ransom money note that states the demand for the targets to effect the repayment for the objective of decrypting the papers or restoring the data system back to the initial condition. In most instances, the ransom note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

Win32/Kryptik.GCOP circulation channels.

In numerous edges of the world, Win32/Kryptik.GCOP expands by leaps as well as bounds. However, the ransom money notes and techniques of obtaining the ransom money quantity may differ depending on particular regional (local) setups. The ransom money notes and techniques of obtaining the ransom money quantity may vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans usually wrongfully report having detected some unlicensed applications enabled on the victim’s tool. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software piracy is less prominent, this approach is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.GCOP popup alert may incorrectly assert to be stemming from a police institution and will certainly report having situated youngster pornography or various other prohibited information on the tool.

    Win32/Kryptik.GCOP popup alert may falsely claim to be acquiring from a law enforcement establishment and also will certainly report having located child porn or various other illegal information on the gadget. The alert will similarly contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 0AA6EB9D
md5: 051d4cffaa3ac8d6fe9cea0ee48b73bf
name: 051D4CFFAA3AC8D6FE9CEA0EE48B73BF.mlw
sha1: ee9059a81b73f295b2640c0609c6499a29c01953
sha256: 4f463f9fe9877709cfa1af287eb30bcc775a9d212a4c40c24d3521efae3c6990
sha512: f501bb69e2f8fd64a6c311f24cccf401ded6b109f4ae6eb23070f55413fb950250743b8cbe86bf9cad4fef078e47209a5559da2f478757b0524d30edbdccac6e
ssdeep: 24576:Dx46vqpXPQ3aFwb6dUI0gyIx6OnLD9xOK/hu:Di6vyQaFwb6Czwnqys
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GCOP also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.BRMon.Gen.1
FireEyeGeneric.mg.051d4cffaa3ac8d6
CAT-QuickHealTrojan.Chapak.ZZ5
McAfeeGenericRXDY-HX!051D4CFFAA3A
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
K7AntiVirusAdware ( 00539ed31 )
BitDefenderTrojan.BRMon.Gen.1
K7GWAdware ( 00539ed31 )
Cybereasonmalicious.faa3ac
BitDefenderThetaGen:NN.ZexaF.34590.9yW@aSmyFojG
SymantecRansom.Troldesh
ESET-NOD32a variant of Win32/Kryptik.GCOP
APEXMalicious
AvastFileRepMalware
ClamAVWin.Trojan.Emotet-6441928-0
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Kryptik.30ffa43e
NANO-AntivirusTrojan.Win32.Fsysna.exrdfy
AegisLabTrojan.Win32.Generic.4!c
RisingMalware.Obscure/Heur!1.9E03 (CLOUD)
Ad-AwareTrojan.BRMon.Gen.1
EmsisoftTrojan.BRMon.Gen.1 (B)
ComodoTrojWare.Win32.Ransom.GandCrypt.A@7ijgjh
F-SecureHeuristic.HEUR/AGEN.1103328
DrWebTrojan.Encoder.858
ZillyaTrojan.Fsysna.Win32.15567
TrendMicroRansom_HPGANDCRAB.SMONT
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
SophosMal/Generic-R + Mal/Kryptik-BJ
IkarusTrojan.Win32.Crypt
JiangminTrojan.Fsysna.ifc
MaxSecureRansomeware.CRAB.gen
AviraHEUR/AGEN.1103328
MicrosoftRansom:Win32/Troldesh.A
ArcabitTrojan.BRMon.Gen.1
SUPERAntiSpywareTrojan.Agent/Gen-Emotet
AhnLab-V3Win-Trojan/MalPe34.Suspicious.X2029
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.BRMon.Gen.1
CynetMalicious (score: 100)
Acronissuspicious
VBA32Trojan.Fsysna
ALYacTrojan.BRMon.Gen.1
MAXmalware (ai score=100)
MalwarebytesSpyware.PasswordStealer
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMONT
TencentWin32.Trojan.Generic.Chp
YandexTrojan.GenAsa!1iqMCI7+4fk
SentinelOneStatic AI – Suspicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.HDDU!tr
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Trojan.Generic.HgIASOgA

How to remove Win32/Kryptik.GCOP 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.GCOP 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.GCOP 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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