I posted the same file posted by Ozboss, just rared in one file.
Scanning autorun.exe at Virus total I get this info: Possibly Unwanted Application. While not necessarily malicious, the scanned file presents certain characteristics which depending on the user policies and environment may or may not represent a threat.
For full details see:
This is a detection for files that use some kind of runtime packer. A
runtime packer can be used to reduce the size of executable files
without the need for an external unpacker. While this can‘t be
considered malicious in general, runtime packers are widely used with
malicious files since they can prevent a already known malware from
detection by an Antivirus product
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Some antiviruses give alarm
Anyway this file comes from Original installation file.
I suggest to use Microsoft Security Essentials, because an Av who gives false alarms isnt reliable, in detecting positively or negatively.