Trojan delivers unwanted gift to Windows PCs

@ 2005/12/29
A new Trojan horse program was infecting PCs on Wednesday, exploiting a hole in Windows systems to sneak onto computers, then dropping adware or spyware or turning them into zombies, according to several Internet security companies.

The Trojan, dubbed Exploit-WMF (Windows Meta File), was rated a category 2 level risk, meaning it had the potential to continue to spread, said Dave Cole, director of security response at Symantec.

The exploit "is misusing a function in the WMF library in Windows," dropping onto the machine a downloader Trojan "that pulls down its big brother, a more sophisticated Trojan" from a server on the Internet, he said.

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