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We check some samples of wcscd.sys and detected the file wcscd.sys as threat.
You need remove the wcscd.sys from your computer right now.
Removal tool: http://www.unhackme.com
The file is related to PornoBlocker (Trojan.Ransom).
You must delete next files:
%Documents and Settings%%Current User%wuaucldt.exe
%SysDir%wuaucldt.exe
and next registry keys:
[HKCUSoftwareMicrosoftWindowsCurrentVersionRun]
"wuaucldt"="%Documents and Settings%%Current User%
wuaucldt.exe"
[HKLMSoftwareMicrosoftWindowsCurrentVersionRun]
"wuaucldt"="%System%wuaucldt.exe"