What is Win32/GenKryptik.BFOJ infection?

In this short article you will certainly locate concerning the meaning of Win32/GenKryptik.BFOJ and its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by online scams to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/GenKryptik.BFOJ infection will instruct its targets to launch funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/GenKryptik.BFOJ Summary

These modifications can be as follows:

  • At least one process apparently crashed during execution;
  • 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.
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • 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.

  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Checks the system manufacturer, likely for anti-virtualization;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard drive — so the sufferer can no more use the information;
  • Preventing regular 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.


The most typical channels where Win32/GenKryptik.BFOJ are infused are:

  • By methods of phishing emails;
  • As an effect of individual winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or avoid the device from functioning in a correct manner – while likewise positioning a ransom note that states the need for the sufferers to impact the payment for the function of decrypting the files or restoring the data system back to the initial problem. In the majority of circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/GenKryptik.BFOJ distribution channels.

In different edges of the world, Win32/GenKryptik.BFOJ grows by jumps and bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom money amount may vary relying on particular neighborhood (local) setups. The ransom money notes and also methods of obtaining the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having actually found some unlicensed applications enabled on the target’s device. The alert then requires the user to pay the ransom.

    Faulty statements about prohibited content.

    In nations where software application piracy is much less preferred, this technique is not as reliable for the cyber frauds. Conversely, the Win32/GenKryptik.BFOJ popup alert might wrongly claim to be originating from a law enforcement organization as well as will certainly report having located youngster porn or other illegal information on the device.

    Win32/GenKryptik.BFOJ popup alert might incorrectly assert to be deriving from a regulation enforcement institution as well as will certainly report having situated youngster pornography or other illegal data on the device. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: F1763223
md5: a423b2125e326d0f3dccba98c5247f9a
name: A423B2125E326D0F3DCCBA98C5247F9A.mlw
sha1: 0da11860ba1cc8b51cad36f26be0f708bf6bd05a
sha256: 947cce760301abad5ff4fe8cb82e3b2190dbb37c08d32a61c8cd2d9020fa4a62
sha512: b2ac9309b3c1a6cdf2cdd0451e752135c1338d8f3b6c4f241bd97a3baee4e7117372a90a7607cbc4b5645fef21236c16b6e0e3b66dcf1dd9eb9db3b08e3fc89c
ssdeep: 6144:iJIx9YXvUn4pGGX2PxyvcS0i9ovXZheBgRAaB+7/2etp3kzf:RQU4oxyv8jtsOetVsf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright Nooking
InternalName: rumply
CompanyName: Nooking
ProductName: rumply lockermen esd
FileDescription: rumply dries doe
OriginalFilename: rumply.exe
Translation: 0x0409 0x04b0

Win32/GenKryptik.BFOJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
McAfee Ransomware-GIX!A423B2125E32
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
Cybereason malicious.25e326
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.BFOJ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Razy.713911
NANO-Antivirus Trojan.Win32.Ransom.evhkqc
MicroWorld-eScan Gen:Variant.Razy.713911
Tencent Win32.Trojan.Generic.Ljtj
Ad-Aware Gen:Variant.Razy.713911
Sophos Mal/Generic-S
Comodo Malware@#3l9t55jh1p0wb
BitDefenderTheta AI:Packer.87126E3021
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Ransomware-GIX!A423B2125E32
Emsisoft Gen:Variant.Razy.713911 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.brymp
Avira HEUR/AGEN.1117690
eGambit Unsafe.AI_Score_92%
Microsoft Ransom:Win32/Cerber.A
GData Gen:Variant.Razy.713911
Panda Trj/GdSda.A
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.Agent!zZjdl6/w9yc
Ikarus Trojan.Win32.Krypt
Fortinet W32/Generic!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Generic.HxQBBiMC

How to remove Win32/GenKryptik.BFOJ 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.

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

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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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