Win32/IRCBot.NHR

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

What is Win32/IRCBot.NHR infection?

In this short article you will certainly locate regarding the meaning of Win32/IRCBot.NHR and also its negative impact on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a sufferer.

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In the majority of the instances, Win32/IRCBot.NHR ransomware will advise its targets to start funds move for the purpose of counteracting the changes that the Trojan infection has presented to the target’s tool.

Win32/IRCBot.NHR Summary

These modifications can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • Unconventionial language used in binary resources: Arabic (Algeria);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Deletes its original binary from disk;
  • Recognized to be an Athena HTTP bot;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard disk — so the victim can no longer utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/IRCBot.NHR

One of the most normal channels whereby Win32/IRCBot.NHR are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a source that holds a malicious software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or protect against the tool from working in a correct fashion – while likewise putting a ransom money note that states the demand for the targets to impact the payment for the objective of decrypting the papers or recovering the data system back to the initial condition. In many instances, the ransom note will show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Win32/IRCBot.NHR distribution networks.

In numerous edges of the globe, Win32/IRCBot.NHR grows by jumps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom quantity may vary depending upon certain neighborhood (local) setups. The ransom money notes and techniques of obtaining the ransom money quantity may vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having spotted some unlicensed applications enabled on the sufferer’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/IRCBot.NHR popup alert might incorrectly claim to be originating from a police establishment and will report having situated kid porn or various other illegal data on the device.

    Win32/IRCBot.NHR popup alert may incorrectly declare to be deriving from a regulation enforcement establishment and will report having situated youngster porn or various other prohibited information on the tool. The alert will similarly contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 67DD8F82
md5: 04b002f42425d53c859ce24d51132e44
name: 04B002F42425D53C859CE24D51132E44.mlw
sha1: c8bcf05dba2c2b29d8de21c656fed8e06447ee3d
sha256: 26a22ff90a6c939db8387fd9e3e011e74a839c2bbac2aad3c72801dc29aea67e
sha512: 447eda756f843d9ba1af1ca0929da29778459e3f25d7d262891814ffd1ed959eaeea76d676dbbb4bf5fbc89f548bc91e49c4ba99b584776a80c8a07ba5a469cb
ssdeep: 6144:Qf4LO0EzDHtmmFK80fhjtOQKK3coWyqL+eTOSq:QgLAzDHeNpZ8s+OSq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2008-2013 NetVision GmbH.
InternalName: Updatecli
FileVersion: Release 1.22
CompanyName: NetVision
ProductName: NetVision
ProductVersion: Release 1.22
FileDescription: Update client
OriginalFilename: Updatecli
Translation: 0x0809 0x04b0

Win32/IRCBot.NHR also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Zusy.367802
FireEyeGeneric.mg.04b002f42425d53c
ALYacGen:Variant.Zusy.367802
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Generic.ky
K7AntiVirusTrojan ( 004ba03b1 )
BitDefenderGen:Variant.Zusy.367802
K7GWTrojan ( 004ba03b1 )
TotalDefenseWin32/Tnega.ASUN
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/IRCBot.1bf1748e
NANO-AntivirusTrojan.Win32.Strictor.cxmtts
RisingRansom.Foreign!8.292 (RDMK:cmRtazoZuCeT2cUy6KpfEOPpS6UW)
Ad-AwareGen:Variant.Zusy.367802
EmsisoftGen:Variant.Zusy.367802 (B)
ComodoMalware@#3mi77ndvn2lyn
DrWebBackDoor.Tishop.25
ZillyaTrojan.Foreign.Win32.28122
IkarusTrojan.Win32.Buzus
WebrootTrojanspy:Win32/Fitmu.A
AviraTR/Ransom.Foreign.hffy
MAXmalware (ai score=100)
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Dynamer!dtc
AhnLab-V3Trojan/Win32.Foreign.C197101
GDataGen:Variant.Zusy.367802
CynetMalicious (score: 100)
ESET-NOD32Win32/IRCBot.NHR
McAfeeGeneric.eum
VBA32Hoax.Foreign
PandaGeneric Malware
ZonerTrojan.Win32.17402
TencentWin32.Trojan.Inject.Auto
YandexTrojan.GenAsa!ALkagFvhJ/8
SentinelOneStatic AI – Suspicious PE
BitDefenderThetaAI:Packer.F9D7AC8421
AVGWin32:Malware-gen
Cybereasonmalicious.42425d
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Foreign.HwUBar8A

How to remove Win32/IRCBot.NHR 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/IRCBot.NHR 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

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

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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.

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