An Excel macro-virus that creates the file 874.xls in the template directory and infects other files when they're opened or closed. No reports of malicious damage. It's reportedly a proof of concept virus and causes no damage. WinZapper claims to work only under administrator and does not exploit any security holes in the Windows operating system. The tool removes single entries in the log file.
Hackers can use the tool to cover their tracks if they have administrator rights.
For more click here. Don't worry if you accidentally trashed one of our newsletters before you had a chance to read it. Related links Jason Meserve is the Multimedia Editor of Network World Fusion and writes about streaming media, search engines and IP Multicast. Security and Bug Patch Alert archive Past newsletters. Feedback Tell us your thoughts on this article or the issues raised in it.