Win32/Kryptik.AHNH

What is Win32/Kryptik.AHNH infection?

In this post you will certainly find regarding the definition of Win32/Kryptik.AHNH and its negative effect on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom by a victim.

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Most of the cases, Win32/Kryptik.AHNH virus will advise its victims to launch funds move for the purpose of counteracting the changes that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.AHNH Summary

These adjustments 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.
  • Compression (or decompression);
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Likely installs a bootkit via raw harddisk modifications;
  • Deletes its original binary from disk;
  • Attempts to restart the guest VM;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s disk drive — so the sufferer can no more utilize the information;
  • Preventing routine accessibility 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.AHNH

One of the most common networks whereby Win32/Kryptik.AHNH are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of user ending up on a source that hosts a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s PC or stop the gadget from working in an appropriate manner – while also placing a ransom money note that discusses the demand for the targets to effect the payment for the function of decrypting the papers or bring back the documents system back to the preliminary problem. In the majority of circumstances, the ransom money note will turn up when the customer restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.AHNH circulation channels.

In different corners of the world, Win32/Kryptik.AHNH expands by jumps and bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom amount may vary depending upon specific regional (local) settings. The ransom money notes and methods of extorting the ransom amount might differ depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s device. The alert after that demands the customer to pay the ransom.

    Faulty declarations about unlawful web content.

    In countries where software application piracy is much less prominent, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.AHNH popup alert may wrongly declare to be stemming from a police institution and will report having located child porn or other illegal data on the gadget.

    Win32/Kryptik.AHNH popup alert may wrongly assert to be obtaining from a legislation enforcement establishment and also will report having situated child porn or other unlawful data on the gadget. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 019B6B71
md5: 548b2470e5904cb1bc7d2802d757fee2
name: 548B2470E5904CB1BC7D2802D757FEE2.mlw
sha1: 261bef6f468149de1c23fb050b30b4ec9fab0c0a
sha256: 9004405e15d428ae822a3d4eb134bf43be7a3970e710251ae69787657fe0c3a6
sha512: 0ca0048aa9472dab5c3d05f33f7f14ec3acb860c4efd51f225058a20b0b08e14fa17646acf0f8d30b068cd0dd8e40e50c69ec9b10baabe28f6da3d2c7ee81162
ssdeep: 384:uaO2RTjTVQR7Ffx3loW+OjUB7ZA/3rjbGzSCt/e764Jt/bs:uUBS7thCrt9ZM36zSCt/eZ/b
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.AHNH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.MBRlock.30
Cynet Malicious (score: 100)
McAfee GenericRXNA-IW!548B2470E590
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Genasom.8cf0df74
Cybereason malicious.0e5904
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.AHNH
APEX Malicious
TotalDefense Win32/Ransom.DKD
Avast Win32:Cryptor
Kaspersky HEUR:Backdoor.Win32.Generic
BitDefender Gen:Variant.Kazy.66788
NANO-Antivirus Trojan.Win32.Mbro.uvxyy
ViRobot Trojan.Win32.A.Mbro.22016.Z
MicroWorld-eScan Gen:Variant.Kazy.66788
Tencent Win32.Trojan.Mbro.Svhr
Ad-Aware Gen:Variant.Kazy.66788
Sophos Mal/Generic-R + Mal/EncPk-AEG
Comodo Malware@#1q2629tucx9m6
BitDefenderTheta Gen:NN.ZexaF.34608.bqW@aGonTCm
VIPRE Trojan.Win32.Autorun.as (v)
McAfee-GW-Edition GenericRXNA-IW!548B2470E590
FireEye Generic.mg.548b2470e5904cb1
Emsisoft Gen:Variant.Kazy.66788 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Gen
Avira TR/Ransom.Mbro.4
Microsoft Ransom:Win32/Genasom.DV
AegisLab Trojan.Win32.Mbro.j!c
GData Gen:Variant.Kazy.66788
AhnLab-V3 Trojan/Win32.Gen
Acronis suspicious
VBA32 BScope.Trojan.MBRlock
MAX malware (ai score=84)
Malwarebytes Malware.Heuristic.1001
Panda Trj/Pacrypt.F
Rising Ransom.Genasom!8.293 (CLOUD)
Ikarus Trojan.Win32.Ransom
MaxSecure Trojan.Malware.4294922.susgen
Fortinet W32/Zbot.CGZF!tr
AVG Win32:Cryptor
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HxMB2ccA

How to remove Win32/Kryptik.AHNH 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.AHNH 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.AHNH 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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