high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Protection available since | 19 January 2005 08:36:19 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
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
IExplorer
Iexplor32
and delete it if it exists.
Close the registry editor.
More Information
Troj/Bdoor-BY is a Trojan for the Windows platform that contains backdoor functions that allow unauthorised remote access to the infected computer via TCP port 23.
When run Troj/Bdoor-BY copies itself to the Windows system folder as Iexplor32.exe and runs in the background as a service process.
The Trojan creates the following registry entry so as to run itself automatically on computer logon:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
IExplorer
Iexplor32
When instructed by a remote attacker, the Trojan has the following capabilities:
open a remote shell
shutdown the computer
display a message box
download files from the internet
send email to a specific address
launch Denial of Service (DoS) attacks
terminate processes
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