Threat Database Backdoors Backdoor.IRCbot.B

Backdoor.IRCbot.B

By CagedTech in Backdoors
Published:
Last updated:

Threat Scorecard

Threat Level: 60 % (Medium)
Infected Computers: 8,199
First Seen: July 18, 2012
Last Seen: May 3, 2026
OS(es) Affected: Windows

The detection of Backdoor.IRCbot.B on your system indicates a serious security threat that requires immediate attention. This backdoor threat can compromise your system's security and privacy, allowing unauthorized access and control. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Backdoor.IRCbot.B?

Backdoor.IRCbot.B is a type of malware that creates a backdoor on an infected system, allowing remote access and control. This can enable attackers to steal sensitive information, install additional malware, or use the system for malicious activities such as spamming or distributing malware. The name suggests a possible connection to IRC (Internet Relay Chat) botnets, which are networks of infected computers controlled remotely for malicious purposes.

How Backdoor.IRCbot.B Operates

Backdoor.IRCbot.B, like other backdoor threats, operates by establishing a covert communication channel with its command and control (C2) server. This allows the attackers to send commands and receive stolen data or other information from the infected system. The malware may use various techniques to evade detection, including disguising itself as a legitimate program, hiding in system files, or exploiting vulnerabilities in software. Once installed, it can wait for commands from the C2 server, which can instruct it to perform a variety of malicious actions.

Symptoms of Infection

Symptoms of a Backdoor.IRCbot.B infection can be subtle and may not be immediately apparent. However, signs of infection can include unusual network activity, slow system performance, unexpected changes to system settings, or the appearance of unfamiliar programs or files. In some cases, the malware may cause system crashes or freezes. Given the stealthy nature of backdoor threats, many infections are discovered through antivirus scans or network monitoring rather than visible symptoms.

How to Remove Backdoor.IRCbot.B

  1. Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for internet access for updates and scans.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
  3. Manually uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs you are certain are legitimate targets for removal.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

The removal of Backdoor.IRCbot.B requires careful and thorough action to ensure that all components of the malware are eliminated. It is also crucial to take preventive measures to avoid future infections, including keeping your operating system and software up to date, using strong and unique passwords, and being cautious when opening email attachments or downloading files from the internet. Regular backups of important data can also protect against data loss in the event of a malware infection. By understanding the risks associated with backdoor threats and taking proactive steps, you can significantly enhance your system's security and protect your personal data.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Ikarus not-a-virus.Crack.TallyE
Sophos Troj/Agent-YKH
AntiVir TR/Dldr.Adload.aenq
eSafe Win32.TRDldr.Adload
AVG Downloader.BHO.AE
Fortinet W32/Dropper.FZ!tr
Ikarus Gen.AdWare.Heur
AhnLab-V3 Dropper/Win32.Kazy
Antiy-AVL Trojan/Win32.Smardf.gen
AntiVir DR/Delphi.Gen
Comodo TrojWare.Win32.TrojanDownloader.Banload.a
Sophos Mal/BHO-BO
BitDefender Gen:Adware.Heur.hC4@0nhAZQo
Kaspersky Trojan.Win32.Smardf.tgg
Symantec Trojan.Gen

File System Details

Backdoor.IRCbot.B may create the following file(s):
# File Name MD5 Detections
1. learning.exe 62bfb1990e69cb1aed28f58d0678fcec 4,427
2. uzseuiy.dll 47c9248ad4504903ec3e60965458636c 265
3. praetorian.exe 9d25c8686082a1b747e473f69fe212a3 102
4. ulbzyvwiq.dll 22e1974a5e108979d385b36077bb843c 97
5. fastsrch.dll f856b4c526c3e5cee9d47df59295d2e1 67
6. app.exe ac4d42d49b2704196044b8ad3da99227 39
7. tobsqtf.dll d82c8602bba61439a6e359219e42dcdd 34
8. spool.exe fa0b10405c8a68d4dd9051f716f34b67 16
9. oagtmf.dll 6669ca6946a7b4c73773dc51904d75d3 15
10. mktjl.dll e92484bc22c657b739a681a188795b45 10
11. explorer.exe 83e535e22f40d4b7be8a65e6309c9d57 8
12. yesclick.dll 3a322c8fc69589c61fbefec67503fa96 4
13. Indexer .exe 42536470c192ab0f6e3bde40bfe93c57 3
14. mszjicii.scr 3264a90727d64bad27564a47b882e5d4 1