Threat Database Backdoors Backdoor.Small.I

Backdoor.Small.I

By CagedTech in Backdoors
Published:
Last updated:

Threat Scorecard

Threat Level: 60 % (Medium)
Infected Computers: 2
First Seen: December 7, 2010
OS(es) Affected: Windows

The detection of Backdoor.Small.I 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.Small.I?

Backdoor.Small.I is a type of malware that creates a covert communication channel between the infected computer and a remote server, allowing attackers to access and control the system without the user's knowledge or consent. This backdoor can be used to steal sensitive information, install additional malware, or disrupt system operations. The name "Backdoor.Small.I" suggests that it is a small, potentially stealthy backdoor, but the actual impact and behavior can vary depending on the specific implementation and goals of the attackers.

How Backdoor.Small.I Operates

Backdoor.Small.I, like other backdoors, operates by establishing a secret communication channel with a command and control (C2) server. This channel can be used to send commands to the infected system, receive stolen data, or upload additional malware. The backdoor may use various techniques to evade detection, such as encrypting its communications, using legitimate system processes, or hiding in temporary files. Once installed, the backdoor can remain dormant until activated by the attackers, making it challenging to detect and remove.

Symptoms of Infection

Identifying a Backdoor.Small.I infection can be difficult, as it is designed to remain stealthy. However, some common symptoms may include unusual network activity, slow system performance, or unexplained changes to system settings. You may also notice suspicious programs or processes running in the background, or receive unexpected pop-ups or alerts. If you suspect that your system is infected, it is crucial to take immediate action to prevent further damage.

How to Remove Backdoor.Small.I

  1. Boot your system in Safe Mode with Networking to prevent the backdoor from loading and to allow for easier removal.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious components.
  3. Uninstall any suspicious programs or applications that may be related to the backdoor.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings.
  5. Reboot your system and perform another full scan to ensure that the backdoor has been completely removed.

Conclusion

Removing Backdoor.Small.I requires careful attention to detail and a thorough approach to ensure that all malicious components are eliminated. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong passwords, and being cautious when opening email attachments or clicking on links, you can help prevent future infections and protect your system from similar threats. Remember to stay vigilant and monitor your system's behavior regularly to detect any potential security issues early on.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
TrendMicro PAK_Generic.001
Sophos Mal/EncPk-CF
NOD32 a variant of Win32/Kryptik.AY
Microsoft Backdoor:Win32/Small.I
McAfee-GW-Edition Heuristic.BehavesLike.Win32.Trojan.H
Kaspersky Worm.Win32.AutoRun.aqjh
Ikarus Trojan-Downloader.Win32.Banload
eSafe Suspicious File
Comodo Application.Win32.BlkIC.IMG
CAT-QuickHeal Worm.AutoRun.aqjh
BitDefender Trojan.Patched.BI
Avast Win32:Patched-JZ
Authentium W32/Threat-SysAdderSml!Eldorado
AntiVir TR/Proxy.Gen
a-squared Trojan-Downloader.Win32.Banload!IK

File System Details

Backdoor.Small.I may create the following file(s):
# File Name MD5 Detections
1. vistaupgrade.exe 9631d7efe45d55bc23994a66906bead5 2