Ah I see
Malwarebytes Anti-Malware
www.malwarebytes.org
Scan Date: 01/10/2015
Scan Time: 21:45
Logfile: mbam.txt
Administrator: Yes
Version: 2.1.8.1057
Malware Database: v2015.10.01.06
Rootkit Database: v2015.09.22.01
License: Free
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled
OS: Windows 10
CPU: x64
File System: NTFS
User: Ellen
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 336017
Time Elapsed: 22 min, 57 sec
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled
Processes: 0
(No malicious items detected)
Modules: 0
(No malicious items detected)
Registry Keys: 0
(No malicious items detected)
Registry Values: 0
(No malicious items detected)
Registry Data: 0
(No malicious items detected)
Folders: 0
(No malicious items detected)
Files: 1
PUP.Optional.WinYahoo, C:\Users\Ellen\AppData\LocalLow\Microsoft\Internet Explorer\Services\WinYahoo.ico, Quarantined, [cefc79d8afdce45233bb02834cb853ad],
Physical Sectors: 0
(No malicious items detected)
(end)