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Backdoor.Win32.Poison.bbsr

Posted: December 18, 2009

Backdoor.Win32.Poison.bbsr is a nasty backdoor Trojan. Backdoor.Win32.Poison.bbsr runs in the background and gives attackers remote access to the affected computer system. Backdoor.Win32.Poison.bbsr provides a hacker unauthorized access to a PC and the means to remotely monitor the PC without the user's awareness. Backdoor.Win32.Poison.bbsr affects a system's integrity by making modifications to the system that enable cyber criminals to perform malicious activities unknown to the user.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %Windir%\alg.exe
    2 %Windir%\cmsetac.dll
    3 %Windir%\KB8888239.log
    4 %Windir%\ntdtcstp.dll

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]HKEY..\..\..\..{RegistryKeys}alg = "%Windir%\alg.exe"
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