Written by Robert Bailey

What is Win32/Flooder.IRCKill infection?

In this article you will certainly discover regarding the meaning of Win32/Flooder.IRCKill as well as its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom money by a sufferer.

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Most of the instances, Win32/Flooder.IRCKill ransomware will certainly advise its victims to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has presented to the target’s tool.

Win32/Flooder.IRCKill Summary

These alterations can be as adheres to:

  • 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 language used in binary resources: Portuguese;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the documents located on the target’s hard drive — so the sufferer can no longer make use of the information;
  • Preventing routine 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.
Similar behavior
Related domains Ransom.Wannacry Ransom.Wannacry


The most common networks through which Win32/Flooder.IRCKill Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of user winding up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s PC or prevent the gadget from working in an appropriate fashion – while also placing a ransom note that states the need for the sufferers to effect the repayment for the purpose of decrypting the papers or recovering the documents system back to the preliminary condition. In most instances, the ransom money note will certainly show up when the client restarts the PC after the system has currently been harmed.

Win32/Flooder.IRCKill distribution networks.

In different corners of the world, Win32/Flooder.IRCKill expands by leaps and bounds. Nonetheless, the ransom money notes and also tricks of obtaining the ransom money quantity might vary relying on specific local (regional) settings. The ransom notes and also methods of obtaining the ransom money quantity may vary depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having detected some unlicensed applications enabled on the victim’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as reliable for the cyber fraudulences. Alternatively, the Win32/Flooder.IRCKill popup alert might incorrectly claim to be originating from a police establishment as well as will certainly report having located kid pornography or other illegal data on the device.

    Win32/Flooder.IRCKill popup alert may falsely assert to be obtaining from a legislation enforcement institution and also will certainly report having located child porn or various other prohibited information on the tool. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: C6F77DA8
md5: c9f0b54b31234ec99cf745621623e0f2
name: C9F0B54B31234EC99CF745621623E0F2.mlw
sha1: 97e245aa4fcf0313b9379e1a92a4c7323824192e
sha256: a872fcffe4bc570fe0908c2a5c87157efd0f0148ca1be4ba9b83f859a0c58120
sha512: c6b0deeae2adde4186f245499b3642bbd53a5fc62c789b42492f994e6cbd50679cf6aed29b4a32cd573e879e0e37d05b74ed2039469c8582588a36973e1c6f89
ssdeep: 3072:sYwLD5EvLUT+vqAZSvNpGYC1hKV5bcg0:vwLKTa+vqAZS1JC2VOZ
type: PE32 executable (GUI) Intel 80386, 32rtm DOS extender, UPX compressed

Version Info:

0: [No Data]

Win32/Flooder.IRCKill also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus DoS-Trojan ( 000046791 )
Cynet Malicious (score: 99)
ALYac Flooder.IRCKill.A
Cylance Unsafe
Zillya Tool.IRCKill.Win32.2
Alibaba Trojan:Win32/IRCKill.8a1da258
K7GW DoS-Trojan ( 000046791 )
Cybereason malicious.b31234
Symantec Ransom.Wannacry
ESET-NOD32 Win32/Flooder.IRCKill
APEX Malicious
Avast FileRepMalware
ClamAV Win.Tool.IRC-6
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Flooder.IRCKill.A
NANO-Antivirus Trojan.Win32.IRCKill.glim
ViRobot Trojan.Win32.Z.Irckill.105984
MicroWorld-eScan Flooder.IRCKill.A
Tencent Irc.Trojan.Irckill.Tcls
Ad-Aware Flooder.IRCKill.A
Sophos Troj/Flooder-E
Comodo TrojWare.Win32.Flooder.IRCKill@2110
VIPRE Trojan.Win32.Generic!BT
FireEye Flooder.IRCKill.A
Emsisoft Flooder.IRCKill.A (B)
Jiangmin Flooder.IRCKill
Avira TR/IRCKill.Flood
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/DSSDetection
AegisLab Hacktool.IRC.IRCKill.3!c
GData Flooder.IRCKill.A
TACHYON Trojan/W32.Flooder.251904.B
AhnLab-V3 Trojan/Win32.HDC.C70209
McAfee Artemis!C9F0B54B3123
MAX malware (ai score=100)
VBA32 Flooder.IRCKill
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_IRCKILL
Rising Trojan.DSSDetection!8.F811 (CLOUD)
Yandex Trojan.GenAsa!/WOpZgpFzC0
Ikarus Flooder.IRC.Kill
MaxSecure Trojan.Malware.3250.susgen
Fortinet W32/IRCKill.E!tr
AVG FileRepMalware

How to remove Win32/Flooder.IRCKill 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/Flooder.IRCKill 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/Flooder.IRCKill 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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