high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | February 2006 (4.02) |
| Protection available since | 14 December 2005 03:37:25 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Sdbot-AGT is a network worm and IRC backdoor Trojan for the Windows
platform.
W32/Sdbot-AGT 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.
When first run W32/Sdbot-AGT copies itself to <System>\lo71.exe
W32/Sdbot-AGT also creates the following files :
\msdirectx.sys
\xz.bat
The file msdirectx.sys is detected as Troj/NtRootK-F.
The file xz.bat is a batch file that attempts to stop the Security Center, Internet Connection Sharing and SharedAccess services. This file is detected as Troj/KillProc-A.
W32/Sdbot-AGT is a network worm and IRC backdoor Trojan for the Windows
platform.
W32/Sdbot-AGT 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.
When first run W32/Sdbot-AGT copies itself to <System>\lo71.exe
W32/Sdbot-AGT also creates the following files :
\msdirectx.sys
\xz.bat
The file msdirectx.sys is detected as Troj/NtRootK-F.
The file xz.bat is a batch file that attempts to stop the Security Center,
Internet Connection Sharing and SharedAccess services. This file is detected as Troj/KillProc-A.
The following registry entries are created to run lo71.exe on startup :
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
strtas
"lo71.exe"
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
strtas
"lo71.exe"
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
strtas
"lo71.exe"
W32/Sdbot-AGT will also attempt to disable the Windows firewall and create a
firewall exception for itself by modifying registry entries under the following
branch :
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
FirewallPolicy\
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