virdr.sys - Dangerous
%sysdir%\virdr.sys
Jeff's Story:
My PC had gotten a bad rootkit that my ISP antivirus software (powered by McAfee) could not detect, nor could fix.
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Manual removal instructions:
virdr.sys is used to hide files, processes and registry.
virdr.sys is a kernel mode rootkit.
Rootkit contacts remote hacker server using HTTP session.
virdr.sys opens a back door on IRC channels.
virdr.sys spreads via open network shares.
Related files:
%WinDir%\system32.exe
%SysDir%\virdr.sys
system32.exe is created new system drivers:
service name: "Windows netdde"
display name: "Windows netdde"
Adds the value:
HKLM\SYSTEM\CurrentControlSet\Services\Windows netdde\
to the Windows startup registry keys.
virdr.sys is created new system drivers:
service name: " virdr"
display name: " virdr"
Added to registry:
HKLM\SYSTEM\CurrentControlSet\Services\virdr\