PUP.Optional.WirelessNetworkTool

Short bio

PUP.Optional.WirelessNetworkTool is Malwarebytes’ detection name for a wireless network analyzer called WirelessNetView which is published by NirSoft.

Symptoms

Users my have seen  this type of screens during the installation:

and this entry in their list of installed Programs and Features:

Type and source of infection

PUP.Optional.WirelessNetworkTool can be downloaded from their website:

but some users report the application to be installed by bundlers.

Protection

Malwarebytes blocks PUP.Optional.WirelessNetworkTool

Remediation

Malwarebytes can detect and remove PUP.Optional.WirelessNetworkTool without further user interaction.

1. Please download Malwarebytes to your desktop.
2. Double-click MBSetup.exe and follow the prompts to install the program.
3. When your Malwarebytes for Windows installation completes, the program opens to the Welcome to Malwarebytes screen.
4. Click on the Get started button.
5. Click Scan to start a Threat Scan.
6. Click Quarantine to remove the found threats.
7. Reboot the system if prompted to complete the removal process.

Malwarebytes removal log

A Malwarebytes log of removal will look similar to this:

Malwarebytes www.malwarebytes.com

Add an exclusion

Should users wish to keep this program and exclude it from being detected in future scans, they can add the program to the exclusions list. Here’s how to do it.

• Open Malwarebytes for Windows.
• Click the Detection History
• Click the Allow List
• To add an item to the Allow List, click Add.
• Select the exclusion type Allow a file or folder and use the Select a folder button to select the main folder for the software that you wish to keep.
• Repeat this for any secondary files or folder(s) that belong to the software.

If you want to allow the program to connect to the Internet, for example to fetch updates, also add an exclusion of the type Allow an application to connect to the internet and use the Browse button to select the file you wish to grant access.