high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | July 2006 (4.07) |
| Protection available since | 7 September 2005 12:57:48 (GMT) |
| Last updated | 29 May 2006 22:40:20 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Rbot-ANC is a Worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-ANC 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-ANC exploits the following Microsoft Windows vulnerabilities:
LSASS MS04-11 - http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx
RPC-DCOM MS04-012 - http://www.microsoft.com/technet/security/bulletin/MS04-012.mspx
PNP MS05-039 - http://www.microsoft.com/technet/security/bulletin/ms05-039.mspx
When first run W32/Rbot-ANC copies itself to <System>\shellexec.exe.
W32/Rbot-ANC creates several processes, all with the name "shellexec.exe".
The following registry entries are created to run shellexec.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
shell update
shellexec.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
shell update
shellexec.exe
The following registry entry is set:
HKCU\Software\Microsoft\OLE
shell update
shellexec.exe
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