Win32/Kryptik.GJOF

What is Win32/Kryptik.GJOF infection?

In this article you will locate about the interpretation of Win32/Kryptik.GJOF as well as its adverse influence on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.GJOF ransomware will advise its sufferers to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the victim’s device.

Win32/Kryptik.GJOF Summary

These alterations 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial language used in binary resources: Slovenian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 documents situated on the victim’s hard disk drive — so the sufferer can no more use the information;
  • 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.

Win32/Kryptik.GJOF

One of the most normal networks where Win32/Kryptik.GJOF Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that hosts a destructive software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or protect against the device from operating in a proper way – while likewise putting a ransom money note that mentions the requirement for the sufferers to impact the repayment for the objective of decrypting the records or bring back the data system back to the first problem. In most circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GJOF distribution channels.

In different edges of the world, Win32/Kryptik.GJOF grows by leaps and also bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom money quantity may differ relying on specific neighborhood (regional) settings. The ransom money notes and also techniques of extorting the ransom money quantity may differ depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning unlawful material.

    In nations where software piracy is less prominent, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GJOF popup alert might incorrectly assert to be deriving from a law enforcement institution and will report having situated kid pornography or various other illegal data on the tool.

    Win32/Kryptik.GJOF popup alert may wrongly claim to be deriving from a law enforcement institution and will report having situated kid pornography or various other illegal information on the device. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 86EBD6EC
md5: 10036ad49f2e82126ce76beef495b123
name: 10036AD49F2E82126CE76BEEF495B123.mlw
sha1: d11e4ea16555ebb5f8b12b72473f54b7d2b2a904
sha256: 74818d355dc5126dfb09badec584afc2465e48643085f2f992dde120cfd5f3a3
sha512: ba1d0019690226fd98c40b7cfc7916998c1d2038f03be641eb4549d8b0b5495af46569158dc667bc46860d5991ef27213ed391bbf0571ce317311080840e11e6
ssdeep: 3072:RvHL52pcaI5CiBygZ+z0hixsV6SaiA3fkb1KqVd6IG5g8g4+Ek1:5HLYwXmEhAgAPO3CDlgb
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GJOF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00516fdf1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Gen:Variant.Ransom.GandCrab.1930
Cylance Unsafe
Zillya Trojan.Coins.Win32.1198
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Kryptik.c131a26c
K7GW Trojan ( 00516fdf1 )
Cybereason malicious.49f2e8
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GJOF
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Ransomware.Gandcrab-7340174-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.GandCrab.1930
NANO-Antivirus Trojan.Win32.Encoder.fhpfhb
MicroWorld-eScan Gen:Variant.Ransom.GandCrab.1930
Tencent Win32.Trojan.Generic.Dsyt
Ad-Aware Gen:Variant.Ransom.GandCrab.1930
Sophos Mal/Generic-S + Mal/GandCrab-G
Comodo TrojWare.Win32.PSW.Coins.FS@7s47lc
BitDefenderTheta Gen:NN.ZexaF.34670.kuW@a8!!JTpc
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SMALY-3
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.10036ad49f2e8212
Emsisoft Gen:Variant.Ransom.GandCrab.1930 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Chapak.my
Avira HEUR/AGEN.1102792
eGambit Unsafe.AI_Score_95%
Microsoft Trojan:Win32/Glupteba!ml
Arcabit Trojan.Ransom.GandCrab.D78A
AegisLab Trojan.Win32.GandCrypt.trvc
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ransom.GandCrab.1930
AhnLab-V3 Win-Trojan/Gandcrab04.Exp
Acronis suspicious
McAfee Packed-FJN!10036AD49F2E
MAX malware (ai score=100)
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_GANDCRAB.SMALY-3
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex Trojan.GenAsa!K231r3FxgKE
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.HCUD!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwoCS3cA

How to remove Win32/Kryptik.GJOF 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.GJOF 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.GJOF 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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