Perhaps not a virus. After reading some articles it very well could be you have
speech recognition enabled.
To resolve this issue, use either of the following methods, as appropriate to your
circumstances:
Click the Microphone button on the Language bar so that neither Dictation nor Voice
Command is displayed. NOTE: If the Language bar is not displayed on the desktop,
follow these steps first:
Open the Regional and Language Options tool in Control Panel. On the Languages tab,
click Details under Text services and input languages.Select Language Bar, and then
click to select the Show the Language bar on the desktop check box.
On the Languages tab, click Details under Text services and input languages.Select
Language Bar, and then click to select the Show the Language bar on the desktop check
box.
Select Language Bar, and then click to select the Show the Language bar on the
desktop check box.
-or-
To turn off speech recognition, follow these steps:
Open the Regional and Language Options tool in Control Panel.On the Languages tab,
click Details under Text services and input languages.Under Installed services, click
Speech Recognition, and then click Remove. Click OK to apply all the changes. You may
need to restart your computer.
On the Languages tab, click Details under Text services and input languages.Under
Installed services, click Speech Recognition, and then click Remove. Click OK to
apply all the changes. You may need to restart your computer.
Under Installed services, click Speech Recognition, and then click Remove. Click OK
to apply all the changes. You may need to restart your computer.
Click OK to apply all the changes. You may need to restart your computer.