Backdoor:W32/SdBot.CNJ

Classification

Malware

Backdoor

W32

Backdoor:W32/SdBot.CNJ, Trojan.Win32.Agent.asdj, W32.Ackantta@mm (Symantec), W32/Autorun-RI (Sophos), W32/Xirtem@MM (McAfee), VirTool:Win32/CeeInject.gen!K (Microsoft)

Summary

Backdoor:W32/SdBot.CNJ is a piece of malicious software that tries to disable various firewalls and antivirus programs, steal passwords from the infected machine and spread through removable media devices.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Find out more

Knowledge Base

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User Guide

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

Process Changes

Creates these processes:

  • %cwd%\[filename].exe
  • %programfiles%\Internet
  • Explorer\IEXPLORE.EXE/[filename]

Creates these mutexes:

  • Y_aKS~pXq1MKTN4PE

Network Connections

Attempts to connect with HTTP to:

  • Web1.(censored)[removed].org:443/TCP

Registry Modifications

Sets these values:

  • HKCU\Software\Microsoft\Windows NT\CurrentVersion (default) = h1Ucm{yQvor}^imlol|Pxhc|en isl
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run QnX = c:\(path)\[filename].(filename)exe
  • HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{77520Q86-864L-N81R-0R2W-7U2G0P22436U} StubPath = "c:\(path)\.(filename)exe"
  • HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run QnX =c:\(path)\.(filename)exe

Creates these keys:

  • HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{77520Q86-864L-N81R-0R2W-7U2G0P22436U}

Date Created: -

Date Last Modified: -