high
Summary
Summary
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 17 February 2005 21:11:43 (GMT) |
| Detected by | All Sophos products |
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Action
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More Information
W32/Sdbot-VG is a network worm with backdoor functionality for the Windows platform.
W32/Sdbot-VG connects to an IRC channel and runs in the background waiting for commands from a remote attacker.
W32/Sdbot-VG may spread to remote network shares with weak passwords.
W32/Sdbot-VG contains backdoor functionality to download updates, steal system information and open an FTP or TFTP server.
W32/Sdbot-VG drops a file MSDIRECTX.SYS which is detected as Troj/NtRootK-F.
W32/Sdbot-VG copies itself to the Windows system folder as HPWSNNSBC.EXE and creates the following registry entries in order to run itself on system startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Win Drivers SSL32
hpwsnnsbc.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
Win Drivers SSL32
hpwsnnsbc.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Win Drivers SSL32
hpwsnnsbc.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Win Drivers SSL32
hpwsnnsbc.exe
The worm also installs a service called "msdirectx".
W32/Sdbot-VG may make the following registry change:
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
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