Python/Liberpy [Threat Name] go to Threat

Python/Liberpy.A [Threat Variant Name]

Category worm
Size 6726471 B
Aliases Trojan.Seadask (Symantec)
Short description

Python/Liberpy.A is a worm that spreads via removable media.


When executed, the worm copies itself into the following location:

  • %systemdrive%\­MSDcache\­Liberty2-0.exe

In order to be executed on every system start, the worm sets the following Registry entry:

  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "Liberty1-0.exe" = "%systemdrive%\­MSDcache\­Liberty2-0.exe"
Spreading on removable media

The worm copies itself to the following location:

  • %removabledrive%\­MSDcache\­Liberty2-0.exe

The following file is created in the same folders:

  • Liberty1-0.bat" (74 B, Python/Liberpy.A worm)

The worm searches for files and folders in the root folders of removable drives.

When the worm finds a file matching the search criteria, it creates a new file.

The file name of the newly created file is derived from the original file/folder name.

The extension of the file is ".lnk" .

The file is a shortcut to a malicious file.

Information stealing

The worm is able to log keystrokes.

The worm collects the following information:

  • data from the clipboard

The collected information is stored in the following file:

  • %systemdrive%\­MSDcache\­system\­system.dll

The worm attempts to send gathered information to a remote machine.

Other information

The worm acquires data and commands from a remote computer or the Internet.

The worm contains a URL address. The HTTP protocol is used.

It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • update itself to a newer version
  • send gathered information

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