Win32/GenKryptik.BTTR

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

What is Win32/GenKryptik.BTTR infection?

In this short article you will discover concerning the meaning of Win32/GenKryptik.BTTR and also its negative influence on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the instances, Win32/GenKryptik.BTTR infection will certainly instruct its targets to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has presented to the target’s device.

Win32/GenKryptik.BTTR Summary

These modifications 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.

  • Attempts to delete volume shadow copies;
  • 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 copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the target’s hard disk drive — so the target can no more use the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/GenKryptik.BTTR

One of the most normal networks where Win32/GenKryptik.BTTR Trojans are injected are:

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

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or avoid the gadget from working in a proper way – while also placing a ransom note that discusses the need for the sufferers to impact the repayment for the function of decrypting the records or restoring the documents system back to the preliminary condition. In a lot of instances, the ransom note will turn up when the client reboots the COMPUTER after the system has already been harmed.

Win32/GenKryptik.BTTR circulation networks.

In various edges of the world, Win32/GenKryptik.BTTR expands by leaps as well as bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom amount may differ depending on certain neighborhood (local) settings. The ransom money notes and also methods of obtaining the ransom amount may vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

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

    Faulty statements concerning prohibited content.

    In countries where software application piracy is less prominent, this approach is not as reliable for the cyber frauds. Additionally, the Win32/GenKryptik.BTTR popup alert may incorrectly claim to be originating from a law enforcement establishment and also will certainly report having situated child pornography or various other unlawful information on the device.

    Win32/GenKryptik.BTTR popup alert might wrongly assert to be deriving from a law enforcement organization as well as will report having located child porn or various other prohibited data on the gadget. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 193C37CA
md5: bd072ea7fcd86b9a187b6e850bd7a557
name: BD072EA7FCD86B9A187B6E850BD7A557.mlw
sha1: 8f8f77357848d3d921538d05707036a7d1ba00a3
sha256: 74c81036004b6fdbc6b57a9d2c416ea8966da639dad05ad29d5b2d3c50562df1
sha512: f6ba3beaf8b3674e9e5705dc9b6e728e771a408656828c1747c3290f675121a7381d8abfc0081c131b5c3296af8432fd23545ff837732e04fafbde2bd4da70d3
ssdeep: 6144:8pOT/8hUQOaYq6J7BjC++Gi2XtPj0aRugpXeAQ4rpA:0U/6UQOHqYO+FPj0aRuEXeAQ4C
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9Evaer.com. All rights reserved.
InternalName: Joho
FileVersion: 8.1.98.8
CompanyName: Evaer.com
PrivateBuild: 8.1.98.8
LegalTrademarks: Copyright xa9Evaer.com. All rights reserved.
Comments: Lookup Optional Sqlcommand
ProductName: Joho
Languages: English
ProductVersion: 8.1.98.8
FileDescription: Lookup Optional Sqlcommand
OriginalFilename: Joho.exe
Translation: 0x0409 0x04b0

Win32/GenKryptik.BTTR also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.Bot.4933
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Dharma.1
Cylance Unsafe
Zillya Trojan.Crusis.Win32.854
Sangfor Trojan.Win32.Save.a
Cybereason malicious.7fcd86
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.BTTR
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Crusis.cdp
BitDefender Gen:Variant.Ransom.Dharma.1
NANO-Antivirus Trojan.Win32.Crusis.eyzhoi
MicroWorld-eScan Gen:Variant.Ransom.Dharma.1
Tencent Win32.Trojan.Crusis.Pfjb
Ad-Aware Gen:Variant.Ransom.Dharma.1
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34670.vq0@aK7JPEmi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Ransom-O.e
FireEye Generic.mg.bd072ea7fcd86b9a
Emsisoft Gen:Variant.Ransom.Dharma.1 (B)
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1113295
Microsoft Trojan:Win32/Occamy.B
AegisLab Trojan.Win32.Crusis.j!c
GData Gen:Variant.Ransom.Dharma.1
AhnLab-V3 Win-Trojan/Sagecrypt.Gen
Acronis suspicious
McAfee Ransom-O.e
MAX malware (ai score=95)
VBA32 BScope.TrojanRansom.Crusis
Panda Trj/CI.A
Rising Ransom.Crusis!8.5724 (CLOUD)
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Crusis.BTTR!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.CrySiS.HwoCEpsA

How to remove Win32/GenKryptik.BTTR 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

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/GenKryptik.BTTR 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/GenKryptik.BTTR you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending