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svchost: windows update - no digital signature

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I have windows 8.1 with AVAST & Malwarebytes 2.0 (Premium). Avast has been prompting alerts for SVCHost downloading "am_delta_e......exe" & "nis_delta_patch_.....exe" from au.v4.download.windowsupdate.com with no digital signatures (as shown in the enclosed attachments).


Malwarebytes did not prompt any alerts or warnings!


Are these files/downloads legitimate microsoft sources?


Thank you!



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If you did not initiate these downloads, then it seems suspicious to me. I would have someone check you system out for possible infections...

Being that you are probably infected, feel free to follow the instructions below to receive free, one-on-one expert assistance in checking your system and clearing out any infections and correcting any damage done by the malware.

Please see the following pinned topic which has information on how to get help with this: Available Assistance for Possibly Infected Computers

Thank you

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