Remove PortReuse

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The Winnti classification (moreover referred to as APT41) is any of the etc. leading Chinese e-crime groups. Their heading has been in the media as 2010, when their malicious campaigns were looked into for the at the beginning time. The ‘Winnti Group’ heading is derived from one of those well-known components of malicious programs that the classification utilized in their infects – the Winnti malicious software was at the beginning employed in 2013, and it has become one of those brand hacking instruments of this criminal establishment. However, there is nothing new to be said about the Winnti malware and, instead, this post focuses on a more recent tool that the Winnti Group has been using – the PortReuse (also known as PortReuse Virus) backdoor Trojan.

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PortReuse (also known as PortReuse Virus) Uses the Open Ports of Legitimate Tools for Its Threatening Connections

Usually, backdoor Trojans serve a wide range of functions, and they are being controlled via a permanent connection to a remote Command & Control server. However, the PortReuse backdoor was created in some other way that authorizes it to remain undisclosed for drawn-out but moreover disturbs its capabilities. Instead of maintaining an functioning and noisy relation to a remote server, the PortReuse backdoor waits for to cyber criminals to interact with it via a ‘magic family packet’ – a particularly invented packet which will provoke the malign chunk of PortReuse’s code.

Download Removal Toolto remove PortReuse

Because the PortReuse backdoor doesn’t use a individual port for its communication motives, it may use an earlier working and open TCP port to delay for the magic packet. This lowers the backdoor’s fingerprint and on top of that blocks family safety software from spotting anything out of the regular. Individual samples of the PortReuse were detected to enforce diverse TCP ports – 53, 80, 443, 3389 and 5985.

Cybersecurity researchers were able to gap the algorithm that the PortReuse utilizes to produce the magic packet, and this enabled them to determine IP addresses that were hesitating for the exact ‘magic’ reaction – all of the addresses were associated with a main Asian manufacturer of mobile hardware and tool. It’s likely that the Winnti family was planning to implement a provide-chain breach by executing reconnaissance actions on the company’s group and introducing added payloads at a afterwards phase.


Manual PortReuse Removal Instructions.

Delete PortReuse related applications

Uninstall from Windows 7 and Windows Vista

  1. Click Start and go to Control Panel.
  2. Choose Uninstall a program and uninstall PortReuse.

Uninstall from Windows XP

  1. Open the Start menu and access Control Panel.
  2. Select Add or Remove programs and remove PortReuse.

Uninstall from Windows 8

  1. Click Windows key + R simultaneously and type in Control Panel.
  2. Tap Enter and navigate to Uninstall a program.
  3. Find the undesirable application and uninstall PortReuse.

control-panel-uninstall Remove PortReuse

Delete PortReuse from your browsers

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Remove PortReuse from Internet Explorer

  1. Launch Internet Explorer and choose Gear icon.
    ie-settings Remove PortReuse
  2. Open Manage add-ons and delete the undesirable extensons.
    ie-manage-addons Remove PortReuse
  3. Click Gear icon again and go to Internet Options.
  4. In the General tab, replace the current home page with the one you prefer.
    ie-internet-options Remove PortReuse
  5. Click OK.
  6. Click Gear icon one more time and access Internet Options.
  7. Move to the Advanced tab and select Reset.ie-reset Remove PortReuse
  8. Mark the box and tap Reset again.
Download Removal Toolto remove PortReuse

Remove PortReuse from Mozilla Firefox

  1. Start your browser and open the menu.
  2. Seletc Add-ons and navigate to the Extensions.ff-settings-menu Remove PortReuse
  3. Remove the unwanted extensions from the list.
    ff-extensions Remove PortReuse
  4. At the same time click Alt+H.
    ff-troubleshooting Remove PortReuse
  5. Choose Troubleshooting information and tap Reset.
    ff-troubleshooting Remove PortReuse
  6. When the new dialog box appears, tap Reset again.
Download Removal Toolto remove PortReuse

Remove PortReuse from Google Chrome

  1. Launch your browser and open the menu.
    chrome-menu-tools Remove PortReuse
  2. Choose Tools and go to Extensions.
  3. Select the undesirable add-on and tap Trash icon next to it.
    chrome-extensions Remove PortReuse
  4. Access menu again and move to Settings.
  5. Click Manage Search engines under Search and delete the current search engine.
    chrome-manage-search Remove PortReuse
  6. Choose a new search tool.
    chrome-search-engines Remove PortReuse
  7. Open Settings and Click Show Advanced settings.
    chrome-reset Remove PortReuse
  8. Tap Reset browser settings and then tap Reset one more time to confirm your action.