Win32/Kryptik.GDAH

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

What is Win32/Kryptik.GDAH infection?

In this short article you will certainly find regarding the meaning of Win32/Kryptik.GDAH and its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

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Most of the instances, Win32/Kryptik.GDAH infection will instruct its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.GDAH 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: Czech;
  • 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 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!
  • 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.
  • Ciphering the documents situated on the sufferer’s hard disk — so the target can no more use the data;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyzRansom.GandCrab!8.F355 (C64:YzY0Op3N/OWsdQ7/)
a.tomx.xyzRansom.GandCrab!8.F355 (C64:YzY0Op3N/OWsdQ7/)

Win32/Kryptik.GDAH

One of the most normal channels whereby Win32/Kryptik.GDAH Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of user ending up on a source that hosts a malicious software;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or protect against the gadget from working in a proper way – while also placing a ransom money note that mentions the requirement for the sufferers to effect the repayment for the objective of decrypting the documents or restoring the documents system back to the preliminary problem. In many instances, the ransom note will come up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GDAH distribution networks.

In numerous corners of the world, Win32/Kryptik.GDAH grows by jumps and also bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom money amount might vary depending on specific neighborhood (regional) settings. The ransom money notes and also methods of extorting the ransom quantity may differ depending on specific regional (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having actually found some unlicensed applications enabled on the target’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty declarations about illegal material.

    In countries where software application piracy is much less preferred, this approach is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.GDAH popup alert might incorrectly assert to be originating from a police organization as well as will certainly report having situated child pornography or other unlawful data on the tool.

    Win32/Kryptik.GDAH popup alert might wrongly claim to be deriving from a law enforcement organization and also will certainly report having situated kid porn or other unlawful information on the tool. The alert will similarly contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 011A7CCD
md5: fc0c50b0bd2273db5e0a99b3223d92ef
name: FC0C50B0BD2273DB5E0A99B3223D92EF.mlw
sha1: 5372cd682c066ff9012d00fcd437adf1f273241c
sha256: 501dfd70dc7bd31f7f123f56c38a5b4d5f32d141e5e302a9c89a3d4f646c2b9f
sha512: 5a45ca74b933d6669e306c2a374983112e8ea30ee949d0bce41f2ff5f7b091f7b2f8a9193d0edca5f450fdc747bf99254ddd8a25995a8a3dfaf9de8c04e6f96f
ssdeep: 12288:pCxEDTJF2DWm58HqkwKYIhZ10IKtGcd74snD0buzY:pOEDaWa8FVtKEAEkIbuz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, masosrfire
InternalName: sgahfghjfgha.exe
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

Win32/Kryptik.GDAH also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.BRMon.Gen.1
FireEyeGeneric.mg.fc0c50b0bd2273db
CAT-QuickHealTrojan.Mauvaise.SL1
Qihoo-360Win32/Trojan.IM.6fa
ALYacTrojan.BRMon.Gen.1
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
BitDefenderTrojan.BRMon.Gen.1
K7GWTrojan ( 0053305e1 )
K7AntiVirusTrojan ( 0053305e1 )
BitDefenderThetaGen:NN.ZexaF.34590.Fy0@a4dSVicG
CyrenW32/S-99161633!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GDAH
APEXMalicious
AvastFileRepMalware
ClamAVWin.Trojan.Emotet-6448825-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Deshacop.exvnxu
RisingRansom.GandCrab!8.F355 (C64:YzY0Op3N/OWsdQ7/)
Ad-AwareTrojan.BRMon.Gen.1
EmsisoftTrojan.BRMon.Gen.1 (B)
ComodoMalware@#3ldeopxpsgmqz
F-SecureHeuristic.HEUR/AGEN.1103322
DrWebTrojan.Encoder.24249
ZillyaTrojan.Generic.Win32.340989
TrendMicroRansom_HPGANDCRAB.SMG2
McAfee-GW-EditionBehavesLike.Win32.Generic.hc
SophosMal/Generic-R + Mal/GandCrab-D
IkarusTrojan.Win32.Gandcrab
JiangminTrojan.Gen.uh
AviraHEUR/AGEN.1103322
MAXmalware (ai score=99)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftVirTool:Win32/Obfuscator.CAP
ArcabitTrojan.BRMon.Gen.1
AhnLab-V3Win-Trojan/MalPe36.Suspicious.X2037
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.BRMon.Gen.1
CynetMalicious (score: 100)
Acronissuspicious
McAfeePacked-ZM!FC0C50B0BD22
VBA32Trojan.Deshacop
MalwarebytesTrojan.MalPack
PandaTrj/CI.A
TrendMicro-HouseCallRansom_HPGANDCRAB.SMG2
TencentWin32.Trojan.Generic.Ectw
YandexTrojan.GenAsa!1YJBRjtHa7w
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_100%
FortinetW32/GenKryptik.CNAR!tr
AVGFileRepMalware
Paloaltogeneric.ml
MaxSecureRansomeware.CRAB.gen

How to remove Win32/Kryptik.GDAH 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

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.GDAH 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.GDAH 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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