Interesting People mailing list archives

IP: SirCam and Mac users -- why you shouldn't use Outlook


From: David Farber <dave () farber net>
Date: Fri, 27 Jul 2001 13:46:41 -0400




SirCam virus and the Mac: a follow-up

Yesterday, we reported that SirCam virus/worm could indirectly affect Mac 
users by flooding a mailbox with mail sent from PC users infected with 
the virus. We received several reader replies on this matter:


It gets worse Gedeon Maheux (of The Iconfactory) writes: "According to 
Symantec, Sircam not only gets its emails from people's address books, 
but also from the cache files of web pages stored on the infected 
computers. This further increases the odds of getting infected email. 
Like MacFixIt, The Iconfactory is getting just slammed by this."

SirCam and confidential documents Another MacFixIt reader found: "This 
virus explains why starting yesterday I began receiving emails from a 
business competitor of mine. There are attachments to the emails that 
contain business correspondence of my competitor computer. This 
correspondence contains price quotes, customer names and addresses etc.! 
[To read the files, I had to decode the attachment using YA-Decoder. I 
then could open the decoded attachment in Virtual PC 4, using WordPad, on 
a disk image especially created to open unknown files.]"

SirCam and Virtual PC Frank Hatcher cautions that the virus can affect 
Mac users if they run Virtual PC or other PC emulator software. He 
writes: "My wife got the worm via an email from a friend as a xls 
attachment. When she tried to open it a message popped up that said the 
file was a windows application file. So she opened our Virtual PC program 
and tried to open it there. Well it attached itself to the SirC32.exe 
application and essentially made the VPC drives unusable. I had to trash 
the whole VPC folder. During the contamination she noticed that the 
windows OE program started up. My guess is that the worm was trying to 
send out email - fortunately we only use the Mac OE and had no addresses 
in the windows version."


Although some users have claimed that the virus can directly corrupt 
files on a Mac, Symantec contends (and we concur) that this is not possible.



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