Win32/Kryptik.GEXL

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

What is Win32/Kryptik.GEXL infection?

In this post you will certainly find about the definition of Win32/Kryptik.GEXL and its adverse influence on your computer. Such ransomware are a type of malware that is clarified by online fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Win32/Kryptik.GEXL infection will instruct its sufferers to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Kryptik.GEXL 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;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard disk — so the target can no more utilize the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.cloud-name.ruTrojan.Ransom.GandCrab.Gen.2
zonealarm.bitTrojan.Ransom.GandCrab.Gen.2
ns2.cloud-name.ruTrojan.Ransom.GandCrab.Gen.2
ransomware.bitTrojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GEXL

The most normal networks whereby Win32/Kryptik.GEXL Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of user ending up on a resource that organizes a malicious software program;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or prevent the gadget from working in a proper way – while additionally putting a ransom note that states the requirement for the sufferers to effect the payment for the objective of decrypting the files or restoring the file system back to the first problem. In many circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.GEXL circulation channels.

In numerous edges of the globe, Win32/Kryptik.GEXL grows by leaps and bounds. Nonetheless, the ransom notes and methods of obtaining the ransom money quantity may vary depending on specific regional (regional) settings. The ransom money notes and also methods of extorting the ransom quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In particular areas, the Trojans usually wrongfully report having actually detected some unlicensed applications allowed on the victim’s tool. The sharp then requires the user to pay the ransom.

    Faulty statements about prohibited web content.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.GEXL popup alert may falsely assert to be originating from a police establishment as well as will certainly report having located kid pornography or other unlawful information on the tool.

    Win32/Kryptik.GEXL popup alert may wrongly claim to be acquiring from a regulation enforcement establishment as well as will report having located child porn or other illegal information on the gadget. The alert will similarly have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 01ED1640
md5: 6b1c4f7da9b9be00e2ccdf4fd5df08fb
name: 6B1C4F7DA9B9BE00E2CCDF4FD5DF08FB.mlw
sha1: 0a2a24aa0d4093a6add624c070cda84e8256f365
sha256: 4e7f065ad77445327246774f775ee7aa18514527c3f92fc5a6b0ae1a430a96f5
sha512: 2f66cba7a99bf9d038e5ddcd3f8e7b63ab82f98d407833cbbbf0f73dd807b68ce97ff9fa5dc890f04677d32f6dd01b78b7b566710e9e969fd3170f532ffac842
ssdeep: 6144:ZkSFA3a1mjmo+FILXgq2ga/FSQX65PPPPPlPPSjP0PPPfPPXPPlPPrPP6PIPP4P2:ZG3a1tVq6tSQXaPPPPPlPPSjP0PPPfPt
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GEXL also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop8.3700
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.6b1c4f7da9b9be00
CAT-QuickHealTrojan.Chapak.ZZ6
McAfeePacked-FCN!6B1C4F7DA9B9
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6552923-4
K7AntiVirusTrojan ( 0052908c1 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 0052908c1 )
Cybereasonmalicious.da9b9b
BitDefenderThetaGen:NN.ZexaF.34590.tuX@aChHBGgi
CyrenW32/S-e61b09f6!Eldorado
SymantecPacked.Generic.525
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Crusis.ezfoqa
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingTrojan.Kryptik!8.8 (CLOUD)
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
ComodoTrojWare.Win32.Crypt.DA@7l2rpf
F-SecureHeuristic.HEUR/AGEN.1121527
ZillyaTrojan.Chapak.Win32.1465
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
SophosMal/Generic-R + Mal/Agent-AUL
IkarusTrojan.Win32.CoinMiner
JiangminTrojan.IRCBot.wl
AviraHEUR/AGEN.1121527
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftRansom:Win32/Gandcrab.E!MTB
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
VBA32BScope.Trojan.Chapak
ALYacTrojan.Ransom.GandCrab.Gen.2
TACHYONTrojan/W32.Chapak.315912.B
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Kryptik.GEXL
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
TencentMalware.Win32.Gencirc.10b642f8
YandexTrojan.GenAsa!70zS0pKXql4
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_96%
FortinetW32/GenKryptik.DWPH!tr
MaxSecureTrojan.Malware.300983.susgen
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.13b

How to remove Win32/Kryptik.GEXL 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.GEXL 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.GEXL 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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