Threat Database Backdoors Backdoor.VB.AT

Backdoor.VB.AT

By CagedTech in Backdoors
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 70
First Seen: July 24, 2009
Last Seen: January 4, 2024
OS(es) Affected: Windows

The detection of Backdoor.VB.AT on your system indicates a potential security threat that requires immediate attention. This backdoor threat can compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Backdoor.VB.AT?

Backdoor.VB.AT is a type of malware that creates a secret pathway for remote access to a compromised computer. This backdoor allows attackers to bypass normal security mechanisms, gaining unauthorized access to the system, its data, and its network connections. The "VB" in the name might suggest it is written in Visual Basic, a programming language, but without more specific information, it's difficult to determine the exact nature or origin of this threat.

How Backdoor.VB.AT Operates

Backdoor threats like Backdoor.VB.AT typically operate by opening a communication channel between the compromised computer and a command and control (C2) server controlled by the attackers. This channel can be used to send commands to the infected computer, steal sensitive information, install additional malware, or use the computer's resources for malicious activities such as spamming or participating in distributed denial-of-service (DDoS) attacks. The operation of backdoors can be highly sophisticated, with the ability to evade detection by traditional security software through various means, including encryption and hiding within legitimate system processes.

Symptoms of Infection

Identifying a backdoor infection can be challenging due to its stealthy nature. However, there are several symptoms that might indicate the presence of a backdoor like Backdoor.VB.AT. These include unusual network activity, slow system performance, unexpected changes in system settings, appearance of unknown programs or files, and increased pop-up advertisements. Additionally, if your antivirus software is disabled without your intervention or if you notice unfamiliar accounts or access privileges on your system, these could be signs of a backdoor infection.

  • Unexplained changes in system files or registry entries
  • Increased CPU usage without a clear cause
  • Mysterious network connections or data transfers
  • System crashes or instability

How to Remove Backdoor.VB.AT

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download necessary tools while minimizing system activity.
  2. Perform a full scan of your system using a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the backdoor.
  3. Uninstall suspicious programs that you do not recognize or that were installed without your consent. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the backdoor.
  5. After completing the above steps, reboot your computer and perform another full scan to ensure that the backdoor and any associated malware have been successfully removed.

Conclusion

Removing a backdoor like Backdoor.VB.AT requires careful and thorough action to ensure all components of the malware are eliminated. It's 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, being cautious with email attachments and links, and regularly scanning your system for malware. By understanding the risks associated with backdoor threats and taking proactive steps, you can significantly enhance the security of your computer and protect your personal data.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AVG BackDoor.VB.ICW
AhnLab-V3 Win-Trojan/Backdoor.141606
McAfee-GW-Edition Heuristic.LooksLike.Win32.Agent.H
eSafe Win32.VB.brg
F-Prot W32/BackdoorX.AESM
McAfee+Artemis Artemis!0827F7ABF77B
TrendMicro BKDR_VB.HHY
Sunbelt Trojan.Win32.Generic!BT
McAfee-GW-Edition Heuristic.LooksLike.Trojan.Dropper.L
Kaspersky Trojan.Win32.Buzus.aedz
eTrust-Vet Win32/ASuspect.FNI
eSafe Win32.TRDldr.Agent.B
BitDefender Trojan.Generic.2510080
Avast Win32:VB-LYE
Panda Trj/Agent.FHZ

File System Details

Backdoor.VB.AT may create the following file(s):
# File Name MD5 Detections
1. 2488.exe 6ac989fbb46fbb726c9ce8b5ebd07c30 27
2. u2lj.exe b16fac45602a063ce464d8d5066d1791 23
3. 2.1_XR_Bot.exe 17ff2bf50e92e199aed738beefd5db97 6
4. csrss.exe 0827f7abf77b7b796a93d3db831282f4 3
5. lsass.exe be38272d0e43a8ef6efdbdac680c2cce 0
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