Written by Robert Bailey

What is Win32/GenKryptik.CBOS infection?

In this post you will discover concerning the interpretation of Win32/GenKryptik.CBOS as well as its negative influence on your computer. Such ransomware are a type of malware that is clarified by on the internet scams to demand paying the ransom money by a sufferer.

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Most of the instances, Win32/GenKryptik.CBOS infection will certainly instruct its targets to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s gadget.

Win32/GenKryptik.CBOS Summary

These alterations can be as complies with:

  • 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.
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Ciphering the documents located on the victim’s hard drive — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;


The most regular networks where Win32/GenKryptik.CBOS Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a source that organizes a harmful software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from functioning in a correct fashion – while likewise positioning a ransom note that mentions the requirement for the targets to effect the payment for the function of decrypting the records or bring back the data system back to the preliminary condition. In many instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/GenKryptik.CBOS circulation channels.

In different edges of the globe, Win32/GenKryptik.CBOS expands by leaps as well as bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money amount may differ depending upon certain neighborhood (local) setups. The ransom notes and tricks of extorting the ransom money amount may differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s tool. The sharp then demands the user to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In nations where software piracy is much less preferred, this method is not as efficient for the cyber fraudulences. Conversely, the Win32/GenKryptik.CBOS popup alert may falsely assert to be deriving from a police institution as well as will report having situated child porn or various other illegal information on the tool.

    Win32/GenKryptik.CBOS popup alert may falsely declare to be acquiring from a legislation enforcement organization and also will certainly report having situated youngster porn or other illegal information on the gadget. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 6DB298F5
md5: 5a74605f8b92dede0d5ea3841d74d064
name: 5A74605F8B92DEDE0D5EA3841D74D064.mlw
sha1: baa1d6e160003226e1e79851d92bf4d89f5a1334
sha256: 8023c6c53248e102521ee47cf13b4c6a95663059921441e7008ba6e9b86a59a0
sha512: fd17d86f60de25270455bd5c82a3049974f1cff34b71f5a52ee27c62d2bc3699da687a3554efa231f1fcc3f49247a48a65401626ce676f3af32a6ba111041edb
ssdeep: 12288:uR3IW97YCrWbSt+DachMTLezDxCrSPZeCQhxWfHQAVkd:uR3IW97YCrWgEDuTLezDx2S+DK1ed
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/GenKryptik.CBOS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005337421 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10700
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.30920661
Cylance Unsafe
Zillya Trojan.Hermez.Win32.10
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 005337421 )
Cybereason malicious.f8b92d
ESET-NOD32 a variant of Win32/GenKryptik.CBOS
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packer.MalwareCrypter-6620810-1
BitDefender Trojan.GenericKD.30920661
NANO-Antivirus Trojan.Win32.Hermez.fdsatn
MicroWorld-eScan Trojan.GenericKD.30920661
Tencent Win32.Trojan.Hermez.Sxeq
Ad-Aware Trojan.GenericKD.30920661
Comodo Malware@#2y3rz7r9bjrea
BitDefenderTheta Gen:NN.ZexaF.34628.OqW@aii3Zzoi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.GenericKD.30920661 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Hermez.n
Avira HEUR/AGEN.1117382
Microsoft Trojan:Win32/Azorult!ml
Arcabit Trojan.Generic.D1D7CFD5
AegisLab Trojan.Win32.Hermez.j!c
GData Trojan.GenericKD.30920661
TACHYON Ransom/W32.Hermez.665600
AhnLab-V3 Malware/Win32.Generic.C2582966
McAfee Artemis!5A74605F8B92
VBA32 TrojanRansom.Hermez
Panda Trj/RnkBend.A
Rising Ransom.Hermez!8.F140 (CLOUD)
Yandex Trojan.Hermez!pNzb8/y36vo
Ikarus Trojan.Win32.Krypt
Fortinet W32/Hermez.BA!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.Generic.HgIASRIA

How to remove Win32/GenKryptik.CBOS 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/GenKryptik.CBOS 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/GenKryptik.CBOS 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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