Win32/Kryptik.GJMQ

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

What is Win32/Kryptik.GJMQ infection?

In this short article you will certainly find regarding the definition of Win32/Kryptik.GJMQ and its negative impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Kryptik.GJMQ virus will advise its sufferers to start funds move for the function of counteracting the modifications that the Trojan infection has actually presented to the victim’s gadget.

Win32/Kryptik.GJMQ 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.
  • 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.
  • Unconventionial language used in binary resources: Estonian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • 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 files located on the target’s hard disk — so the target can no more make use of the data;
  • Preventing regular 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.GJMQ

One of the most common networks where Win32/Kryptik.GJMQ Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of user winding up on a source that organizes a malicious software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or avoid the device from working in a proper way – while likewise placing a ransom note that states the requirement for the victims to impact the payment for the objective of decrypting the records or restoring the file system back to the first problem. In the majority of instances, the ransom money note will come up when the client restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.GJMQ distribution channels.

In different corners of the globe, Win32/Kryptik.GJMQ grows by jumps and bounds. Nevertheless, the ransom money notes as well as tricks of obtaining the ransom money amount might differ depending upon particular neighborhood (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software program.

    In certain areas, the Trojans often wrongfully report having identified some unlicensed applications allowed on the sufferer’s gadget. The alert then requires the customer to pay the ransom.

    Faulty statements concerning illegal web content.

    In nations where software application piracy is less preferred, this technique is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.GJMQ popup alert might incorrectly declare to be stemming from a police institution as well as will certainly report having situated youngster pornography or other illegal information on the device.

    Win32/Kryptik.GJMQ popup alert might incorrectly declare to be obtaining from a legislation enforcement institution and will certainly report having located child pornography or other prohibited information on the gadget. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 9600E68D
md5: 6ab615f6b584abf5cd81aabf9bb45fee
name: 6AB615F6B584ABF5CD81AABF9BB45FEE.mlw
sha1: 5741832c853d9d5393ad2b1a197d2506ddae056d
sha256: 7a69518a3d4272130676c90681b84be399145aaddf35476fbc1cf560ca94cc8f
sha512: aca278e507dae240dab5d3cf17135acca94d94676e8742891e71cb16b2b348df306038db5edce819c17ac9fe6fb4cb1370128efacadfe81e09c9fea41783d5f0
ssdeep: 1536:B3zT6cSHp9qMU8DwjqHcw3EUHI505gzuB2BSrVuYejDGrdOmR+OdB5dSWgInE6a:MEq9HI505g1oWGrl+Od3QWFta8UEr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 3.7.9

Win32/Kryptik.GJMQ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Fugrafa.2161
FireEyeGeneric.mg.6ab615f6b584abf5
CAT-QuickHealWorm.Gamarue.MUE.ZZ4
ALYacTrojan.Ransom.GandCrab
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00516fdf1 )
BitDefenderGen:Variant.Fugrafa.2161
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.6b584a
CyrenW32/Vigorf.C.gen!Eldorado
SymantecPacked.Generic.525
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Kryptik.a747458a
NANO-AntivirusTrojan.Win32.Filecoder.fhkihv
ViRobotTrojan.Win32.R.Agent.158208.I
RisingTrojan.Vigorf!8.EAEA (CLOUD)
Ad-AwareGen:Variant.Fugrafa.2161
EmsisoftGen:Variant.Fugrafa.2161 (B)
ComodoTrojWare.Win32.PSW.Coins.FS@7s47lc
DrWebTrojan.PWS.Panda.13495
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Trojan.ch
MaxSecureRansomeware.GandCrypt.Gen
SophosMal/Generic-R + Mal/GandCrab-G
IkarusTrojan.Win32.Crypt
WebrootW32.Trojan.Gen
AviraTR/GandCrab.glb
MAXmalware (ai score=100)
MicrosoftTrojan:Win32/Occamy.C
SUPERAntiSpywareRansom.GandCrab/Variant
AhnLab-V3Win-Trojan/Gandcrab04.Exp
GDataGen:Variant.Fugrafa.2161
CynetMalicious (score: 100)
ESET-NOD32a variant of Win32/Kryptik.GJMQ
Acronissuspicious
McAfeePacked-FJN!6AB615F6B584
VBA32BScope.Trojan.Vigorf
MalwarebytesTrojan.MalPack
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
TencentWin32.Trojan.Generic.Wrqs
YandexTrojan.Agent!sxIkc/F9AmQ
SentinelOneStatic AI – Suspicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.HCUD!tr
BitDefenderThetaGen:NN.ZexaF.34608.ju0@aKT1dnfO
AVGWin32:MalwareX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Ransom.GandCrab.HgIASOYA

How to remove Win32/Kryptik.GJMQ 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.GJMQ 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.GJMQ 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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