March 13, 2008

How to remove backdoor worm W32.IRCBot.DCN?

Worm W32.IRCBot.DCN removal tips...


1. Follow standard procedure for virus removal

2. Delete these values and subkeys added to registry.



HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"Generic Host Process for Win32 Service" = "%System%\wbem\rpchost.exe"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServices\"Generic Host Process for Win32 Service" = "%System%\wbem\rpchost.exe"

HKEY_CURRENT_USER\Software\Microsoft\OLE\"Generic Host Process for Win32 Service" = "%System%\wbem\rpchost.exe"

HKEY_CURRENT_USER\SYSTEM\CurrentControlSet\Control\Lsa\"Generic Host Process for Win32 Service" = "%System%\wbem\rpchost.exe"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\"%System%\wbem\rpchost.exe" = "%System%\wbem\rpchost.exe:*:Enabled:Generic Host Process for Win32 Service"

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