f_001f4f found in C:\Documents and Settings\Owner\Local Settings\Application Data\Google\Chrome\User Data\Default\Cache
Is there a file called f_001f4f in that Cache folder?
Which is the virus detected name?
Thats all that avast says it was
Please submit it to VirusTotal and let us know the result. VirusTotal has a file size limit of 10Mb.
Also, send it in a password protected zip to virus@avast.com. Please, mention in the body of the message a link to this thread and the password used. Thanks.