Win32/Kryptik.AHVN

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

What is Win32/Kryptik.AHVN infection?

In this short article you will find regarding the interpretation of Win32/Kryptik.AHVN and also its adverse impact on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom money by a victim.

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Most of the instances, Win32/Kryptik.AHVN ransomware will instruct its sufferers to start funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.AHVN Summary

These adjustments can be as adheres to:

  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s disk drive — so the victim can no longer make use of the data;
  • Preventing normal 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.AHVN

The most normal channels through which Win32/Kryptik.AHVN Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that organizes a destructive software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or prevent the device from working in a proper way – while likewise placing a ransom note that states the demand for the targets to effect the settlement for the objective of decrypting the records or restoring the file system back to the first condition. In many instances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has currently been damaged.

Win32/Kryptik.AHVN distribution channels.

In different corners of the world, Win32/Kryptik.AHVN grows by jumps and bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom money amount might vary relying on certain regional (regional) settings. The ransom notes and methods of obtaining the ransom amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software.

    In specific areas, the Trojans usually wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In nations where software application piracy is much less popular, this technique is not as effective for the cyber frauds. Additionally, the Win32/Kryptik.AHVN popup alert might incorrectly assert to be stemming from a law enforcement establishment and also will certainly report having located youngster porn or other unlawful information on the device.

    Win32/Kryptik.AHVN popup alert may falsely assert to be obtaining from a law enforcement institution and will certainly report having situated kid pornography or other prohibited data on the tool. The alert will likewise include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 1037A066
md5: 8dcedddfda91214126a30fa98c89fe62
name: 8DCEDDDFDA91214126A30FA98C89FE62.mlw
sha1: 3f97eac18708c4fee849a9cb0ff075c835dde1f8
sha256: 0e06e1dbfd330d02d1c3461b9ca5cd7b02935d56f7756e5149a6214afaa0429e
sha512: 68cd934c9b15127687eba12b03d6ad656b3be9e39c3dce34aa9b502b32b5ea4313a923dba4661265741f5b6d635426f1590c38eddab63fb19ddf778e58c19ea2
ssdeep: 3072:uVRbmTptHAek+VyBTj6iqbdk3iR4pVClIf/z4l7IzykQR:ur6Dmyi4OiiX0l7IoR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.AHVN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.2005
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Cerber.1
Cylance Unsafe
Zillya Trojan.Zbot.Win32.98605
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba TrojanPSW:Win32/Kryptik.0c72c565
K7GW Trojan ( 0055dd191 )
Cybereason malicious.fda912
Cyren W32/Zbot.FT.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.AHVN
APEX Malicious
Avast Win32:Susn-AR [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Cerber.1
NANO-Antivirus Virus.Win32.Gen.ccmw
MicroWorld-eScan Trojan.Ransom.Cerber.1
Tencent Malware.Win32.Gencirc.114c1b1c
Ad-Aware Trojan.Ransom.Cerber.1
Sophos ML/PE-A + Troj/Agent-WVA
Comodo Malware@#btq36who3phd
BitDefenderTheta AI:Packer.223A986721
VIPRE Trojan.Win32.Encpk.aex (v)
TrendMicro TSPY_ZBOT.SMIY
McAfee-GW-Edition BehavesLike.Win32.ZBot.cc
FireEye Generic.mg.8dcedddfda912141
Emsisoft Trojan.Ransom.Cerber.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Zbot.bufw
Webroot W32.Infostealer.Zeus
Avira TR/Crypt.XPACK.Gen7
Microsoft PWS:Win32/Zbot!CI
GData Trojan.Ransom.Cerber.1
TACHYON Trojan-Spy/W32.ZBot.156160.AU
AhnLab-V3 Spyware/Win32.Zbot.C163108
Acronis suspicious
McAfee PWS-Zbot.gen.bgg
MAX malware (ai score=100)
VBA32 TrojanSpy.Zbot
Malwarebytes MachineLearning/Anomalous.94%
Panda Trj/Pacrypt.AD
TrendMicro-HouseCall TSPY_ZBOT.SMIY
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex TrojanSpy.Zbot!e8oP3BlL8Wg
Ikarus Trojan-Spy.Win32.Zbot
Fortinet W32/Zbot.ASJ!tr
AVG Win32:Susn-AR [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HwcBEpsA

How to remove Win32/Kryptik.AHVN 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.AHVN 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.AHVN 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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