After installing or updating the antimalware or antivirus software on the machine, run a full system scan.

There are some good guides and directions on the Microsoft website check out these Windows XP malware removal instructions. If you can't run one of these tools, you'll need to manually fix the file associations. You may need to use the additional tools that you downloaded earlier if McAfee Stinger didn't remove the malware.

Run McAfee Stinger on the infected computer to remove the malware.

Download the installer and updated definition files from whatever antimalware/antivirus software used at your organization. You may need to use other similar tools depending on the specific malware.

On a separate computer, download a malware-removal tool like McAfee Stinger (or another similar tool from a major antivirus vendor) and save it to a USB drive.To remove malware manually from a system, follow these basic steps: If that doesn't work, you will need to know how to remove the malware manually from your hard drive. You could potentially restore your computer to a known good restore point. Whatever malware infected your system, it sounds like it has associated itself with executables on your system and has functionality to prevent it from being removed (which is common). First off, remove your computer from the network before the malware potentially copies infected files onto mapped network drives.

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