Written by Robert Bailey

What is Win32/Kryptik.BOQF infection?

In this short article you will certainly discover regarding the definition of Win32/Kryptik.BOQF as well as its negative influence on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom by a target.

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Most of the instances, Win32/Kryptik.BOQF virus will certainly instruct its sufferers to launch funds transfer for the function of neutralizing the amendments that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.BOQF 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.
  • 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.
  • Unconventionial binary language: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the target can no longer utilize the data;
  • Preventing normal 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.


One of the most normal networks through which Win32/Kryptik.BOQF Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual winding up on a source that holds a harmful software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or stop the tool from operating in an appropriate way – while also positioning a ransom money note that points out the demand for the victims to impact the repayment for the function of decrypting the documents or bring back the documents system back to the initial condition. In a lot of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has already been harmed.

Win32/Kryptik.BOQF distribution networks.

In different corners of the world, Win32/Kryptik.BOQF expands by jumps and bounds. However, the ransom notes and also techniques of obtaining the ransom money quantity may vary depending on particular neighborhood (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having actually found some unlicensed applications allowed on the victim’s gadget. The alert after that requires the customer to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In countries where software program piracy is less preferred, this technique is not as effective for the cyber scams. Alternatively, the Win32/Kryptik.BOQF popup alert might falsely claim to be deriving from a police organization and also will certainly report having located youngster pornography or various other unlawful information on the device.

    Win32/Kryptik.BOQF popup alert might incorrectly claim to be deriving from a legislation enforcement establishment as well as will report having situated child pornography or various other illegal information on the tool. The alert will similarly include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 51A88487
md5: 086b9b123791e1438c12e6061940eb73
name: 086B9B123791E1438C12E6061940EB73.mlw
sha1: c111c39a112c01095cd2f1055ca249d62c17191b
sha256: 44aa2f01b2209ea15123a7cdc57e2076139aebfb656798f7cb166e5cb275f7b2
sha512: 1e87c375ffccbb9b54ca2ff893b34d5a16fb77cbd0d4967348e8cb66430c2b3313040803e0d9be6350e4eeffcbb6f818b06cbbc14e1b7fbb7784ee5a8cf9e82b
ssdeep: 1536:yrbSrrF21pyVlqIZBTbV0+PmtaAEUydLOqMdhvGm+lQyk6p7bp7:yrb4r4U9vV0GmkUydsd0lQQp3p
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0419 0x0064

Win32/Kryptik.BOQF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0040f6b11 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.9260
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Urausy.E4
ALYac Gen:Variant.FakeAV.85
Cylance Unsafe
Zillya Trojan.Foreign.Win32.36197
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/Urausy.90ddd1d0
K7GW Trojan ( 0040f6b11 )
Cybereason malicious.23791e
Cyren W32/FakeAlert.WR.gen!Eldorado
Symantec Trojan.Ransomlock.Q!AG
ESET-NOD32 a variant of Win32/Kryptik.BOQF
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Zusy-9754221-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.FakeAV.85
NANO-Antivirus Trojan.Win32.RiskGen.cqwsdg
ViRobot Trojan.Win32.Ransom.163840.A
SUPERAntiSpyware Trojan.Agent/Gen-LockScreen
MicroWorld-eScan Gen:Variant.FakeAV.85
Tencent Malware.Win32.Gencirc.10bf8336
Ad-Aware Gen:Variant.FakeAV.85
Sophos Mal/Generic-R + Mal/FakeAV-KL
Comodo TrojWare.Win32.Kryptik.BOG@54cipl
BitDefenderTheta Gen:NN.ZexaF.34628.kqW@aCUuBXhi
VIPRE Trojan.Win32.Foreign.b (v)
McAfee-GW-Edition Ransom-FBY!086B9B123791
Emsisoft Gen:Variant.FakeAV.85 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Foreign.tdi
Webroot W32.Rogue.Gen
Avira TR/Crypt.ZPACK.Gen7
eGambit Generic.Malware
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Urausy.E
Arcabit Trojan.FakeAV.85
AegisLab Trojan.Win32.Generic.4!c
GData Win32.Trojan-Ransom.LockScreen.C
AhnLab-V3 Trojan/Win32.Foreign.R87166
McAfee Ransom-FBY!086B9B123791
MAX malware (ai score=100)
VBA32 Hoax.Foreign
Malwarebytes Ransom.Agent.BV
Panda Generic Malware
Rising Ransom.Urausy!8.2B7 (CLOUD)
Yandex Trojan.GenAsa!mA01KdWITzs
Ikarus Trojan-Ransom.Foreign
Fortinet W32/FakeAV.FAV!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.Generic.HwgAIP8A

How to remove Win32/Kryptik.BOQF virus?

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.BOQF 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.BOQF you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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