Intrusion attempt blocked

I keep getting intrusion attempt blocked in my Norton security history. Last week Norton did stop and remove a Trojen and said no further action was needed. I did a full scan with Norton and Malewarebytes and both scans found nothing.

Trojen.gen :

 details "File: c:\users\*****\appdata\local/temp\2d2323c8073fa6e1de3d9914397176e6.exe

 

Intrusion blocked details:

IPS Alert Name Malicious Site: Malicious Web Site, Domain or URL (1)

Default Action: No action required

Action Taken: No Action required

Attacking Computer: 81.171.1467, 80

Attacking URL: getmysoftware.info/files/59

Destination Address ACER(000.000.0.000, 00000).

Source Address 81.171.14.67

Traffic Description: TCP, www-http

Network traffic from getmysoftware.info/files/59/projecte.dat matches the signature of a known attack. The attack was resulted from \DEVICE\HARDDISKVOLUME4\WINDOWS\SYSTEM32\WINDOWSPOWERSHELL\V1.0\POWERSHELL.EXE. To stop being notified for this type of traffic, in the Actions panel, click Stop Notifying Me.