possible false positive

I was updating my apps that are stored and used on my usb stick. The computer that I have has Symnatec insight installed and had detected it as a trojan.

INFO:

Filename: udefrag-dbg.exe
Threat name: Trojan.Gen.2Full Path: g:\portableapps\ultradefragportable\app\ultradefrag\x86\udefrag-dbg.exe

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On computers as of 
5/20/2016 at 3:36:13 PM

Last Used 
5/20/2016 at 3:36:13 PM

Startup Item 
No

Launched 
No

Threat type: Virus. Programs that infect other programs, files, or areas of a computer by inserting themselves or attaching themselves to that medium.

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udefrag-dbg.exe Threat name: Trojan.Gen.2
Locate

Few Users
Fewer than 100 users in the Norton Community have used this file.

Mature
This file was released 2 months ago.

High
This file risk is high.

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Source: External Media

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File Actions

File: g:\portableapps\ultradefragportable\app\ultradefrag\x86\ udefrag-dbg.exe Blocked
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File Thumbprint - SHA:
Not available
File Thumbprint - MD5:
Not available