Win32/Kryptik.GEHS

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

What is Win32/Kryptik.GEHS infection?

In this short article you will certainly locate about the meaning of Win32/Kryptik.GEHS as well as its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by online frauds to demand paying the ransom by a victim.

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Most of the cases, Win32/Kryptik.GEHS infection will certainly advise its targets to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has actually presented to the target’s gadget.

Win32/Kryptik.GEHS Summary

These adjustments 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.
  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s hard drive — so the sufferer can no more make use of the data;
  • Preventing routine accessibility to the victim’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.xyzTrojan.Ransom.GandCrab.Gen.2
a.tomx.xyzTrojan.Ransom.GandCrab.Gen.2
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.virmach.ruTrojan.Ransom.GandCrab.Gen.2
politiaromana.bitTrojan.Ransom.GandCrab.Gen.2
malwarehunterteam.bitTrojan.Ransom.GandCrab.Gen.2
ns2.virmach.ruTrojan.Ransom.GandCrab.Gen.2
gdcb.bitTrojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GEHS

One of the most common networks through which Win32/Kryptik.GEHS Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of individual winding up on a source that hosts a malicious software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s computer or avoid the device from working in a correct manner – while additionally placing a ransom money note that mentions the requirement for the sufferers to impact the payment for the function of decrypting the documents or recovering the documents system back to the first condition. In the majority of instances, the ransom money note will come up when the customer reboots the COMPUTER after the system has already been harmed.

Win32/Kryptik.GEHS circulation networks.

In numerous edges of the world, Win32/Kryptik.GEHS expands by jumps and also bounds. However, the ransom notes and also methods of obtaining the ransom amount may differ depending on specific regional (local) settings. The ransom notes and tricks of obtaining the ransom quantity might vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the victim’s device. The sharp then requires the user to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software application piracy is less popular, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GEHS popup alert may incorrectly declare to be stemming from a law enforcement establishment as well as will report having located youngster pornography or various other prohibited information on the gadget.

    Win32/Kryptik.GEHS popup alert may falsely assert to be obtaining from a regulation enforcement institution and also will certainly report having situated youngster porn or other prohibited information on the gadget. The alert will in a similar way consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 2D8474C6
md5: bc102bdd54b2b42b72406962ca3d486b
name: BC102BDD54B2B42B72406962CA3D486B.mlw
sha1: e752658a0441134ac9261628c5aa45fe32248b1e
sha256: 4ee7a80b5381593bd96d4c0284f3355d58777750078f61e676e8b3d3a7c367c6
sha512: 01fe1a37f0350f6463c59bf73647b92eaefbdb02066ae8b789b040a9e2976f36961da035ddbf60d2a60526722e6e82697676759c728fbef165dd5a57c153409c
ssdeep: 6144:qSrCEb1D8hB38SDsNijy5aBUNSxBCPPhXhzvN:NCEBgR8SDG6y5oU0B4hN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GEHS also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.bc102bdd54b2b42b
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6552923-4
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 655333331 )
K7AntiVirusTrojan ( 00532e3d1 )
BitDefenderThetaGen:NN.ZexaF.34590.quX@aqBA1kki
CyrenW32/S-2b0f36b6!Eldorado
SymantecRansom.Hermes!gen1
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/GandCrypt.6f3ccd75
NANO-AntivirusTrojan.Win32.Upatre.eyttcc
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingTrojan.Kryptik!1.B0C0 (CLOUD)
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-R + Mal/Agent-AUL
ComodoBackdoor.Win32.Quicdy.A@7k4jqu
F-SecureTrojan.TR/Dropper.Gen
DrWebBackDoor.IRC.Bot.4467
ZillyaTrojan.Chapak.Win32.1203
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
IkarusTrojan.Kryptik
JiangminTrojanDownloader.Upatre.aitc
MaxSecureRansomeware.CRAB.gen
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftTrojan:Win32/GandCrypt.PVI!MTB
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpywareRansom.GandCrab/Variant
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeGenericRXEG-NN!BC102BDD54B2
TACHYONTrojan/W32.Chapak.262664.B
VBA32BScope.Trojan.Encoder
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Kryptik.GEHS
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
TencentMalware.Win32.Gencirc.10b9e71a
YandexTrojan.Chapak!WS7okZOyNic
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_98%
FortinetW32/Kryptik.HGGP!tr
AVGWin32:Malware-gen
Cybereasonmalicious.d54b2b
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCrOcA

How to remove Win32/Kryptik.GEHS virus?

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.GEHS 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.GEHS 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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