Win32/GenKryptik.AFGA

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

What is Win32/GenKryptik.AFGA infection?

In this post you will locate concerning the definition of Win32/GenKryptik.AFGA and its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by on the internet fraudulences to require paying the ransom money by a victim.

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In the majority of the situations, Win32/GenKryptik.AFGA ransomware will advise its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

Win32/GenKryptik.AFGA 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.
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • 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.

  • A process created a hidden window;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the target’s hard drive — so the sufferer can no more use the data;
  • Preventing routine access 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/GenKryptik.AFGA

One of the most typical channels where Win32/GenKryptik.AFGA are infused are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a source that hosts a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s computer or protect against the gadget from working in a correct fashion – while likewise positioning a ransom note that states the requirement for the sufferers to impact the settlement for the objective of decrypting the documents or restoring the file system back to the first problem. In many instances, the ransom money note will turn up when the client reboots the COMPUTER after the system has actually currently been harmed.

Win32/GenKryptik.AFGA distribution channels.

In various edges of the world, Win32/GenKryptik.AFGA expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as tricks of obtaining the ransom quantity may differ relying on particular regional (regional) settings. The ransom money notes as well as methods of obtaining the ransom money quantity might vary depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert after that requires the customer to pay the ransom money.

    Faulty declarations concerning illegal material.

    In countries where software piracy is much less popular, this method is not as effective for the cyber scams. Additionally, the Win32/GenKryptik.AFGA popup alert might falsely declare to be deriving from a police institution as well as will report having located youngster porn or other prohibited information on the device.

    Win32/GenKryptik.AFGA popup alert might falsely claim to be acquiring from a law enforcement institution as well as will certainly report having located child pornography or other prohibited data on the tool. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: D7AC16A5
md5: cd4fdd83b9ea162108223c170c12ac08
name: CD4FDD83B9EA162108223C170C12AC08.mlw
sha1: 0fda7a63b9161a4edf92c5954e3aa21403c91b5f
sha256: 8b580dbda249a44287fc82581265c48f9beea195dd98b71a0d56deb5b078a72d
sha512: 4134b3dde5dea51d2fc33c6dc73cd52e9826b49e02f04d784188f1c1ac22217a30488ad3ed93807e0163bbb3df926cc850a8dc6df9e12d311edda1686eb9a360
ssdeep: 6144:ecyDGRRwGowU02IutSR6H5lZDPnz5j5/N60vIt9S04xwDPr6G:vRRw9wbnzE5bPl5/40vIt9Szxwf6G
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 1999 - 2014 Ashampoo Development GmbH & Co. KG
InternalName: Chess
FileVersion: 3.5.20.8
CompanyName: Ashampoo Development GmbH & Co. KG
FileDescription: Bea Ws Uint_ptr Analytics Memtest Ntds
LegalTrademarks: Copyright xa9 1999 - 2014 Ashampoo Development GmbH & Co. KG
Comments: Bea Ws Uint_ptr Analytics Memtest Ntds
ProductName: Chess
Languages: English
ProductVersion: 3.5.20.8
PrivateBuild: 3.5.20.8
Translation: 0x0409 0x04b0

Win32/GenKryptik.AFGA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0050d6361 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.10994
CynetMalicious (score: 85)
ALYacGen:Variant.Ransom.Shade.27
CylanceUnsafe
ZillyaTrojan.SageCrypt.Win32.265
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/generic.ali2000010
K7GWTrojan ( 0050d6361 )
Cybereasonmalicious.3b9ea1
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/GenKryptik.AFGA
APEXMalicious
AvastFileRepMalware
KasperskyTrojan-Ransom.Win32.SageCrypt.dpn
BitDefenderGen:Variant.Ransom.Shade.27
NANO-AntivirusTrojan.Win32.SageCrypt.eokaml
ViRobotTrojan.Win32.Sage.367616
MicroWorld-eScanGen:Variant.Ransom.Shade.27
TencentMalware.Win32.Gencirc.10bc0c15
Ad-AwareGen:Variant.Ransom.Shade.27
SophosMal/Generic-S
ComodoMalware@#1x5cn2ysdsvg9
BitDefenderThetaGen:NN.ZexaF.34608.wy0@aSDVSjji
VIPRETrojan.Win32.Generic!BT
TrendMicroMal_MiliCry-1h
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FireEyeGeneric.mg.cd4fdd83b9ea1621
EmsisoftGen:Variant.Ransom.Shade.27 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1128643
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Milicry!bit
ArcabitTrojan.Ransom.Shade.27
AegisLabTrojan.Win32.SageCrypt.j!c
GDataGen:Variant.Ransom.Shade.27
AhnLab-V3Win-Trojan/MalPe33.Suspicious.X2024
Acronissuspicious
McAfeeGenericR-JTR!CD4FDD83B9EA
MAXmalware (ai score=88)
VBA32BScope.TrojanDownloader.Upatre
PandaTrj/CI.A
TrendMicro-HouseCallMal_MiliCry-1h
RisingRansom.Milicry!8.A2F2 (TFE:5:FJYuqIO0MxM)
YandexTrojan.SageCrypt!W5XMBqFOTTM
IkarusTrojan.Win32.Krypt
FortinetW32/Generic.AP.D2EBA!tr
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.SageCryp.HgIASOgA

How to remove Win32/GenKryptik.AFGA 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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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/GenKryptik.AFGA 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/GenKryptik.AFGA 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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