msudp4.sys - Dangerous

%sysdir%\msudp4.sys

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Manual removal instructions:

%sysdir%\msudp4.sys
msudp4.sys is rootkit Trojan.Haxdoor-AG.
msudp4.sys is used to hide files, processes and registry.
msudp4.sys is a kernel mode rootkit.
Rootkit contacts remote hacker server using HTTP session.
msudp4.sys created new system drivers:
service name: "msudp4"
display name: "UDPservice"
Added to registry:
HKLM\SYSTEM\CurrentControlSet\Services\msudp4\

Related files:
%SysDir%\msudp4.sys
%SysDir%\tcpG4T.dll
Adds the value:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\tcpG4T
DllName
tcpG4T.dll

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\tcpG4T
Startup
tcpG4T

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\tcpG4T
Impersonate
1
to the Windows startup registry keys.

Remove msudp4.sys now!