Win32/Kryptik.GGEF

What is Win32/Kryptik.GGEF infection?

In this post you will find about the interpretation of Win32/Kryptik.GGEF and also its adverse influence on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom by a sufferer.

In the majority of the instances, Win32/Kryptik.GGEF virus will advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s device.

Win32/Kryptik.GGEF 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s disk drive — so the victim can no longer make use of the data;
  • Preventing normal accessibility 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.GGEF

The most typical networks whereby Win32/Kryptik.GGEF Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As an effect of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the target’s PC or protect against the device from functioning in a proper manner – while also placing a ransom note that states the requirement for the victims to effect the payment for the objective of decrypting the documents or recovering the data system back to the first condition. In many instances, the ransom note will certainly show up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.GGEF distribution networks.

In various corners of the globe, Win32/Kryptik.GGEF expands by leaps as well as bounds. However, the ransom notes as well as tricks of obtaining the ransom amount might differ relying on certain regional (regional) setups. The ransom money notes as well as tricks of extorting the ransom money amount may vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the sufferer’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is less prominent, this approach is not as reliable for the cyber frauds. Additionally, the Win32/Kryptik.GGEF popup alert might incorrectly assert to be stemming from a law enforcement establishment and will certainly report having located youngster porn or other prohibited information on the device.

    Win32/Kryptik.GGEF popup alert may wrongly claim to be deriving from a legislation enforcement establishment as well as will certainly report having situated kid porn or other illegal data on the gadget. The alert will in a similar way have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 97F58904md5: 5cd37c88953839eb7ee60214030a60caname: 5CD37C88953839EB7EE60214030A60CA.mlwsha1: d1524173e486c88d6a8d54b043d4a6cac29aa01bsha256: 4f03f534b406b2adb4fe327704f241c2f488e4d19fa58c63e30c93aff4a84454sha512: 9934c548aabfdbe030c39fcfd772c21702e8f08223db8790d728aafa7052b726483bfd2122f8ceb90a26fb311ca9eccf5d0a92be164484fb426feb4d84bba0cdssdeep: 6144:4hmSpNkx8AsO3X5zCn+foLNBdnAeDoGGD4mMywW:JIkS3O5zC+gT5DGMywWtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, odfvilxerInternalName: toalotspring.exeFileVersion: 5.1ProductVersion: 5.1.111.0Translation: 0x0789 0x04b1

Win32/Kryptik.GGEF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb BackDoor.Siggen2.2200
MicroWorld-eScan Trojan.GenericKDZ.43749
FireEye Generic.mg.5cd37c88953839eb
CAT-QuickHeal Trojan.Cloxer.A06
McAfee GenericRXFE-KE!5CD37C889538
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Win.Packed.Gandcrab-6552923-4
K7AntiVirus Trojan ( 005339361 )
BitDefender Trojan.GenericKDZ.43749
K7GW Trojan ( 005339361 )
Cybereason malicious.895383
BitDefenderTheta Gen:NN.ZexaF.34590.pu1@ae6IUNoi
Cyren W32/S-7ee84da4!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast FileRepMalware
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Upatre.favvjk
ViRobot Trojan.Win32.GandCrab.Gen.A
AegisLab Hacktool.Win32.CVE-2016-7255.3!c
Ad-Aware Trojan.GenericKDZ.43749
TACHYON Ransom/W32.GandCrab
Emsisoft Trojan.GenericKDZ.43749 (B)
Comodo TrojWare.Win32.Crypt.ZA@7mmoiq
F-Secure Heuristic.HEUR/AGEN.1106533
Zillya Downloader.Upatre.Win32.65935
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos Mal/Generic-R + Mal/Agent-AUL
Jiangmin TrojanSpy.Panda.hr
MaxSecure Ransomeware.CRAB.gen
Avira HEUR/AGEN.1106533
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Ransom:Win32/Gandcrab.SF!MTB
Arcabit Trojan.Generic.DAAE5
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKDZ.43749
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
ALYac Trojan.GenericKDZ.43749
MAX malware (ai score=100)
VBA32 BScope.Trojan.Chapak
Malwarebytes Malware.AI.1770524836
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GGEF
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Tencent Malware.Win32.Gencirc.114b3c2a
Yandex Trojan.GenAsa!Zavy/2LuUmE
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_98%
Fortinet W32/GenKryptik.DQHN!tr
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Ransom.d04

How to remove Win32/Kryptik.GGEF virus?

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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Kryptik.GGEF you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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