Win32/Kryptik.HELU

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

What is Win32/Kryptik.HELU infection?

In this short article you will certainly discover about the definition of Win32/Kryptik.HELU as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.HELU ransomware will instruct its targets to start funds move for the function of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.HELU 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (2 unique times);
  • Presents an Authenticode digital signature;
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • 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.
  • Ciphering the files found on the sufferer’s hard drive — so the victim can no more make use of the information;
  • 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.
Similar behavior
Related domains
www.ip-adress.comBScope.TrojanRansom.Shade

Win32/Kryptik.HELU

One of the most normal networks whereby Win32/Kryptik.HELU Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or protect against the device from functioning in a proper fashion – while also putting a ransom note that discusses the requirement for the targets to effect the settlement for the objective of decrypting the records or recovering the data system back to the preliminary problem. In the majority of instances, the ransom money note will certainly come up when the client restarts the PC after the system has currently been damaged.

Win32/Kryptik.HELU circulation channels.

In various edges of the world, Win32/Kryptik.HELU expands by leaps and also bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money amount might vary depending upon certain neighborhood (local) setups. The ransom notes and also tricks of extorting the ransom money quantity might differ depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the individual to pay the ransom.

    Faulty statements about unlawful material.

    In countries where software piracy is much less popular, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.HELU popup alert might incorrectly declare to be stemming from a police institution and also will certainly report having situated child pornography or various other prohibited information on the tool.

    Win32/Kryptik.HELU popup alert may falsely claim to be obtaining from a legislation enforcement institution and will certainly report having situated youngster pornography or various other unlawful data on the tool. The alert will similarly have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 6A20818F
md5: 3bac0d4e1b7b8998c21e8fbf5434edf1
name: 5555555.png
sha1: 2bd1a7ee1aae49831abfcccf8e026bb6e994bc8f
sha256: c9855f13bc3988a3645b2891de8af3189dadfa1905856ded94df66380748ddfd
sha512: 3bcf280ce5735611ced35887e36c361e8394b6e4f16a5c27db425f77ef69cab7547dcbdacffa5b40e65ae76edf130367ac5f7ba8d33d28f2174f295f74450903
ssdeep: 12288:U3K5J7dw7r97C7s7i7M93WbFYqILClwP7QrODQkQTM/cmu:U3K5J74aYredO0MU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2003-2016 Glarysoft Ltd
InternalName: Report.exe
FileVersion: 5, 0, 0, 6
CompanyName: Glarysoft Ltd
ProductName: Glary Utilities
ProductVersion: 5, 0, 0, 1
FileDescription: Glarysoft Crash Report
OriginalFilename: CrashReport.exe
Translation: 0x0804 0x03a8

Win32/Kryptik.HELU also known as:

GridinSoftTrojan.Ransom.Gen
BkavHW32.Packed.
MicroWorld-eScanGen:Variant.Fugrafa.59920
FireEyeGeneric.mg.3bac0d4e1b7b8998
McAfeeW32/PinkSbot-GW!3BAC0D4E1B7B
CylanceUnsafe
SangforMalware
Cybereasonmalicious.e1aae4
Invinceaheuristic
BitDefenderThetaGen:NN.ZexaF.34130.HK1@aO!Jw1ej
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HELU
GDataGen:Variant.Fugrafa.59920
RisingTrojan.Kryptik!1.C745 (RDMK:cmRtazpLfIxnFGWX8f3QZ5lBmRCf)
Endgamemalicious (high confidence)
SophosMal/EncPk-APV
VIPRETrojan.Win32.Generic.pak!cobra
Trapminemalicious.high.ml.score
APEXMalicious
Antiy-AVLGrayWare/Win32.Kryptik.ehls
MicrosoftTrojan:Win32/Wacatac.C!ml
CynetMalicious (score: 100)
VBA32BScope.TrojanRansom.Shade
MAXmalware (ai score=88)
Ad-AwareGen:Variant.Fugrafa.59920
SentinelOneDFI – Malicious PE
eGambitPE.Heur.InvalidSig
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360HEUR/QVM19.1.2A5F.Malware.Gen

How to remove Win32/Kryptik.HELU 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.HELU 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.HELU 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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