Is the file in your computer and where.
A search on google reveals only one message, yours.
If you did not install any new software/hardware recently or you did and
they installed some spywares then:
Try this: Tools > Internet Options > Advanced > Browsing
Uncheck the Enable 3rd party browser extensions
If this clears your problem then find out who the culprit(s) is/are with
these tools.
Let AD-Aware Scan your system for advertising Spyware
http://www.lavasoftusa.com
or:
SpyBot-S&D
http://security.kolla.de/
p.s Reset the 3rd party browser setting.
If no joy then it may be a new variant.
Go to
http://www.spywareinfo.com/downloads.php#det
Download "Hijack This!" [freeware] or download direct (below):
http://www.spywareinfo.com/~merijn/files/hijackthis.zip
Unzip, double-click "HijackThis.exe" and Press "Scan".
When the scan is finished, the "Scan" button will change into a "Save Log"
button.
Click: "Save Log" (generates "hijackthis.log")
Next, HijackThis | Config [button] | Misc Tools [button]
Click: Generate StartupList log [button] (generates "startuplist.txt")
Next, go to the below location:
http://www.spywareinfo.com/forums/
Sign in, then copy and paste both files in your message.
HijackThis Quick Start Help
http://www.tomcoyote.org/hjt/