Sophos

W32/Floppy-D

Aliases
  • W32.SillyFDC
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from October 2005 (3.98)
Protection available since 24 August 2005 22:49:37 (GMT)
Detected by All Sophos products

Action

Please follow the instructions for removing worms.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Explorer
<Windows folder>\config_.com

and delete it if it exists.

Close the registry editor.

More Information

W32/Floppy-D is a floppy drive worm that may attempt to copy itself to
A:\New document.exe

When first run W32/Floppy-D may copy itself to:

<Windows system folder>\calc.exe
<Windows folder>\config_.com
<Startup folder>\startupfolder.com
\New Document.exe

W32/Floppy-D will also attempt to copy itself into folders on local hard drives using the folder name as the executable name. For example, <Folder Name>\<Folder Name>.exe

W32/Floppy-D creates the file \Autorun.inf. This file may be deleted.

The following registry entry is created to run config_.com on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Explorer
<Windows folder>\config_.com

W32/Floppy-D may periodically cause the infected computer to beep and may also attempt to shutdown Microsoft Windows.

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