high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 22 September 2006 14:27:23 (GMT) |
| Detected by | All Sophos products |
Free virus scan
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Please read the instructions for removing W32/Rbot-FON.
More Information
W32/Rbot-FON is a worm for the Windows platform.
W32/Rbot-FON spreads:
- to computers vulnerable to common exploits, including: SRVSVC (MS06-040), WKS (MS03-049), MSSQL (MS02-039) and Realcast
- to network shares
W32/Rbot-FON 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/Rbot-FON copies itself to <System>\dhcpserv.exe.
The following registry entries are created to run dhcpserv.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows APCI Verifier
dhcpserv.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows APCI Verifier
dhcpserv.exe
W32/Rbot-FON 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 APCI Verifier
dhcpserv.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPer1_0Server
50
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPerServer
50
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
|
