high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 24 August 2005 22:49:37 (GMT) |
| Detected by | All Sophos products |
Free virus scan
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action
- Summary
- Action
- More Information
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
PNP
<Windows system folder>\wuaaclt.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Lilbre-A is a network worm and backdoor for the Windows platform.
W32/Lilbre-A spreads to other network computers by exploiting common buffer overflow vulnerabilities, including LSASS (MS04-011) and PnP (MS05-039).
W32/Lilbre-A also contains the functionality to act as an ftp server allowing access to remote users.
W32/Lilbre-A will copy itself to the Windows system folder as wuaaclt.exe and create the following registry entry:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
PNP
<Windows system folder>\wuaaclt.exe
W32/Lilbre-A will also remove several registry entries under the following entries:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
The following patches for the operating system vulnerabilities exploited by W32/Lilbre-A can be obtained from the Microsoft website:
MS04-011
MS05-039
|
