Win32/Kryptik.GJMJ

What is Win32/Kryptik.GJMJ infection?

In this article you will certainly find about the meaning of Win32/Kryptik.GJMJ and its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a victim.

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In the majority of the instances, Win32/Kryptik.GJMJ ransomware will instruct its sufferers to start funds move for the function of counteracting the changes that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Kryptik.GJMJ Summary

These modifications can be as follows:

  • 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: Vietnamese;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard drive — so the victim can no longer use the data;
  • Preventing normal access 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.GJMJ

One of the most normal networks whereby Win32/Kryptik.GJMJ Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a source that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s computer or protect against the gadget from operating in a correct fashion – while additionally placing a ransom money note that points out the need for the victims to impact the payment for the function of decrypting the papers or recovering the data system back to the first condition. In many circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.GJMJ distribution channels.

In different corners of the globe, Win32/Kryptik.GJMJ grows by jumps as well as bounds. Nonetheless, the ransom notes as well as methods of obtaining the ransom money amount may vary depending on specific regional (regional) settings. The ransom money notes and techniques of obtaining the ransom money amount may vary depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the victim’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software application piracy is less prominent, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Kryptik.GJMJ popup alert might falsely assert to be stemming from a law enforcement institution and will report having situated child porn or other prohibited data on the gadget.

    Win32/Kryptik.GJMJ popup alert may incorrectly claim to be obtaining from a law enforcement establishment and will report having located child porn or various other unlawful information on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 9A6F8A7F
md5: dbde66ab1d4965a6f8970d4b999c8c4c
name: DBDE66AB1D4965A6F8970D4B999C8C4C.mlw
sha1: ae1624fdfda08cad35becd05c0ed21c374a8ee6e
sha256: 897c49f9ddefb34d959ad1e25279cb2ec0fedcc8d914727d08cb7de03363ab5e
sha512: 090e5fb912a9d4eebe422fe175173bcc391540ab353237fa7c9ba4f54ed85d74fba2454d378d0122cbcfe4e8f23708f6a3c7b5eea067cc1f28954455025ce7ac
ssdeep: 3072:3sAhr3aYx1MG7jQN+8h70sLVGGtSrO1ujYg5p6HkwYCMJ5d+l+U7Rg:3jwUeNlos5CO1ujD5/3JXq7y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GJMJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.24300
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Gen:Variant.Ransom.BitPaymer.18
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.138069
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Kryptik.e06fad99
K7GW Trojan ( 0053305e1 )
Cybereason malicious.b1d496
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GJMJ
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.BitPaymer.18
NANO-Antivirus Trojan.Win32.Kryptik.fgfwxk
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Gen:Variant.Ransom.BitPaymer.18
Tencent Win32.Trojan.Generic.Wvkw
Ad-Aware Gen:Variant.Ransom.BitPaymer.18
Sophos Mal/Generic-R + Mal/GandCrab-G
Comodo Application.Win32.Dlhelper.GJ@8137f9
F-Secure Heuristic.HEUR/AGEN.1106539
BitDefenderTheta Gen:NN.ZexaF.34670.luW@aeOhLvgG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.RYUK.SMB
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.dbde66ab1d4965a6
Emsisoft Gen:Variant.Ransom.BitPaymer.18 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.PSW.Coins.alj
Avira HEUR/AGEN.1106539
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Win32.Fuerboos
Microsoft Trojan:Win32/RYUK.DSK!MTB
Arcabit Trojan.Ransom.BitPaymer.18
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ransom.BitPaymer.18
AhnLab-V3 Win-Trojan/Gandcrab04.Exp
Acronis suspicious
McAfee Packed-FKD!DBDE66AB1D49
MAX malware (ai score=100)
VBA32 BScope.Trojan.Fuerboos
Malwarebytes Trojan.MalPack
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.RYUK.SMB
Rising Trojan.Fuerboos!8.EFC8 (CLOUD)
Yandex Trojan.PWS.Coins!dL6inpg+3cI
Ikarus Trojan.Win32.Danabot
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GKTH!tr.ransom
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Ryuk.HwoCEpsA

How to remove Win32/Kryptik.GJMJ 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.GJMJ 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.GJMJ 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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