high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | October 2006 (4.10) |
| Protection available since | 6 September 2006 13:07:00 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Rbot-FMO is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-FMO 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-FMO spreads
- to computers vulnerable to common exploits, including: WKS (MS03-049), MSSQL
(MS02-039), SRVSVC (MS06-040) and Realcast
- to network shares protected by weak passwords
The following patches for the operating system vulnerabilities exploited by the
worm can be obtained from the Microsoft website:
MS06-040 W32/Rbot-FMO is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-FMO 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-FMO spreads
- to computers vulnerable to common exploits, including: WKS (MS03-049), MSSQL
(MS02-039), SRVSVC (MS06-040) and Realcast
- to network shares protected by weak passwords
When first run W32/Rbot-FMO copies itself to <System>\WinIp32.exe.
The following registry entries are created to run WinIp32.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Sound Verifier
WinIp32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows Sound Verifier
WinIp32.exe
W32/Rbot-FMO sets the following registry entries, disabling the automatic
startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\wuauserv
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4
Note: disabling autostart for the SharedAccess service deactivates the Microsoft
Internet Connection Firewall (ICF).
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
Windows Sound Verifier
WinIp32.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableRemoteConnect
N
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
Registry entries are created under:
HKCR\.key\
The following patches for the operating system vulnerabilities exploited by the
worm can be obtained from the Microsoft website:
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