Vigilante Trojan attacks other malware
A "vigilante" Trojan, that attempts to protect infected PCs from the effects of malware caught while using peer-to-peer file-sharing networks, has been discovered.
The Windows Trojan/Erazer-A Trojan looks at default folders for downloading MP3, AVI, MPEG, WMV, Gif, Zip graphic and video files, and wipes anything it finds with these extensions in the target locations.
At PC World.
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