Win32/Kryptik.BVM

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

What is Win32/Kryptik.BVM infection?

In this short article you will certainly discover concerning the definition of Win32/Kryptik.BVM and also its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by on the internet scams to demand paying the ransom by a sufferer.

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Most of the situations, Win32/Kryptik.BVM infection will certainly instruct its victims to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Win32/Kryptik.BVM Summary

These alterations 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.
  • Enumerates user accounts on the system;
  • 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.
  • A process attempted to delay the analysis task.;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • 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!
  • Modifies boot configuration settings;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • 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;
  • 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 papers found on the sufferer’s hard disk — so the target can no more make use of the data;
  • 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.BVM

The most typical channels whereby Win32/Kryptik.BVM Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that organizes a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or protect against the device from functioning in a correct fashion – while likewise placing a ransom note that points out the requirement for the victims to impact the repayment for the purpose of decrypting the files or restoring the documents system back to the first problem. In the majority of instances, the ransom note will show up when the client reboots the PC after the system has actually currently been damaged.

Win32/Kryptik.BVM distribution networks.

In various edges of the world, Win32/Kryptik.BVM grows by jumps and also bounds. Nonetheless, the ransom notes and tricks of obtaining the ransom money quantity might vary relying on certain neighborhood (regional) setups. The ransom money notes as well as tricks of extorting the ransom money amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software piracy is less prominent, this approach is not as effective for the cyber frauds. Alternatively, the Win32/Kryptik.BVM popup alert might falsely declare to be deriving from a police organization and also will report having located kid pornography or other illegal information on the device.

    Win32/Kryptik.BVM popup alert may incorrectly claim to be obtaining from a regulation enforcement establishment and will report having situated youngster pornography or various other prohibited information on the tool. The alert will in a similar way contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 79F1BE5D
md5: ab5e726abbbafe1341097f9dbdbf5d3c
name: AB5E726ABBBAFE1341097F9DBDBF5D3C.mlw
sha1: 0bcf0ef676ab400fa2537b6486c5adaba9c8d0ce
sha256: 8bb5b870914a710449a2937c2b48b6f7bbd9d5951497e6b2adc516d8bed8893a
sha512: f196bc29c4353c3c2f72f5bee7eb84a19254b233c24c858f8e06ef759bf9b96ff9ce176782f1e9461dda2880412bcf446a6079b89e7d240abd498a05735cd19b
ssdeep: 3072:ExoCDFIqMcdXBZJRskHAh7/EKgSyiLFAx9DaSO:AoC5IhMZzXgtzgSL+pa
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Perdition
InternalName: printeries
FileVersion: 3.7.0.38351
CompanyName: Perdition
ProductName: printeries bombernickel
ProductVersion: 3.7.0.38351
FileDescription: printeries nonviscous von
OriginalFilename: printeries.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.BVM also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0012863b1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacDeepScan:Generic.Ransom.Cerber.B99358C6
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Kryptik.fdb4c2e0
K7GWTrojan ( 0012863b1 )
Cybereasonmalicious.abbbaf
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.BVM
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderDeepScan:Generic.Ransom.Cerber.B99358C6
NANO-AntivirusTrojan.Win32.Kryptik.evebre
MicroWorld-eScanDeepScan:Generic.Ransom.Cerber.B99358C6
TencentWin32.Trojan.Generic.Lnog
Ad-AwareDeepScan:Generic.Ransom.Cerber.B99358C6
SophosML/PE-A + Mal/Cerber-C
ComodoMalware@#25z40toz7anfu
BitDefenderThetaAI:Packer.D4E130891E
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Fareit.ch
FireEyeGeneric.mg.ab5e726abbbafe13
EmsisoftDeepScan:Generic.Ransom.Cerber.B99358C6 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Crypt.ZPACK.Gen
MicrosoftTrojan:Win32/Tiggre!rfn
ArcabitDeepScan:Generic.Ransom.Cerber.B99358C6
AegisLabTrojan.Win32.Generic.4!c
GDataDeepScan:Generic.Ransom.Cerber.B99358C6
Acronissuspicious
McAfeeRansomware-GIX!AB5E726ABBBA
MAXmalware (ai score=100)
PandaTrj/GdSda.A
RisingTrojan.Crypto!8.364 (CLOUD)
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.7164915.susgen
FortinetW32/Kryptik.EYKI!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Generic/HEUR/QVM20.1.BB6E.Malware.Gen

How to remove Win32/Kryptik.BVM ransomware?

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.BVM 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.BVM 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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