W32/Tilebot-KB is a worm for the Windows platform.
W32/Tilebot-KB spreads via network shares and P2P applications.
W32/Tilebot-KB includes functionality to access the internet and communicate to a remote server via HTTP.
W32/Tilebot-KB is a worm for the Windows platform.
W32/Tilebot-KB spreads via network shares and P2P applications.
W32/Tilebot-KB includes functionality to access the internet and communicate to a remote server via HTTP.
When first run W32/Tilebot-KB copies itself to <Windows>\netserv.exe.
W32/Tilebot-KB registers itself as a new system driver service named "Windows .NET Service" with a display name of "Windows .NET Service" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Windows .NET Service\
W32/Tilebot-KB may replace the contents of these files to render them useless:
<System>\tftp.exe
<System>\ftp.exe
if so a backup of these files may be found here:
<System>\Microsoft\backup.ftp (originally ftp.exe)
<System>\Microsoft\backup.tftp (originally tftp.exe)
W32/Tilebot-KB modifies the number of outbound TCP connections by patching:
<System>\drivers\tcpip.sys
W32/Tilebot-KB sets the following registry entries to reduce system security:
HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DoNotAllowXPSP2
1
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
EnableFirewall
0
HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1
HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SOFTWARE\Microsoft\Security Center
AntiVirusOverride
1
HKLM\SOFTWARE\Microsoft\Security Center
FirewallOverride
1
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe <Windows>\netserv.exe
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1