W32/Rbot-AYM

Please follow the instructions for removing worms.

You will also need to edit the following registry entries, if they are present. 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 entries:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
GlobalSCAPE
<filename>.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
GlobalSCAPE
<filename>.exe

and delete them if they exist.

Close the registry editor.

W32/Rbot-AYM is a worm with backdoor functionality for the Windows platform.

W32/Rbot-AYM runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

W32/Rbot-AYM spreads:
- to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), WebDav (MS03-007), IIS5SSL (MS04-011) (CAN-2003-0719), UPNP (MS01-059), Veritas (CAN-2004-1172), Dameware (CAN-2003-1030) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords

When first run W32/Rbot-AYM copies itself to <Windows system folder>\<filename>.exe.

The following registry entries are created to run <filename>.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
GlobalSCAPE
<filename>.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
GlobalSCAPE
<filename>.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
GlobalSCAPE
<filename>.exe