W32/Autorun-ATC is a worm for the Windows platform.
When W32/Autorun-ATC is run it creates the file <Windows>\raidhost.exe.
W32/Autorun-ATC creates an autorun.inf on removeable devices.
The autorun.inf file has the hidden attribute set.
The following registry entry is created to run raidhost.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
raidhost
raidhost.exe
The following registry entries are set, affecting internet security:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\<Root>\nv
raidhost.exe
<Current Folder>\raidhost.exe:*:Enabled:Windows Messanger
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\<Root>\WINDOWS
raidhost.exe
<Windows>\raidhost.exe:*:Enabled:Windows Messanger
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
DoNotAllowExceptions
0x00000000
}