McAfree Stinger

Sunday
Stinger is a quick and installation-free standalone tool for detecting and removing prevalent malware and threats, ideal if your PC is already infected.
  
While not a replacement for full fledged antivirus software, Stinger is updated multiple times a week to include detection for newer Fake Alert variants and prevalent viruses.

How to use it:

1.The Stinger interface will be displayed.
  
2.By default, Stinger scans rootkits, running processes, loaded modules, registry and directory locations known to be used by malware on the machine to keep scan times minimal. If necessary, click the Add or Browse button to add additional drives/directories to scan. 
3.Click the Scan Now button to begin scanning the specified drives/directories. 
4.By default, Stinger will repair all infected files found.
5.Stinger leverages Artemis Technology and runs network heuristics at Medium level by default. If you select "High" or "Very High," McAfee Labs recommends that you set the "On virus detection" action to "Report only" for the first scan. 
 

A list of the viruses that Stinger is configured to detect is displayed when pressing the List Viruses button. This virus list does not contain the results from running a scan.

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