Virus Alert !! 2003-08-22 - By Vijay Bajaj
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W32/Sobig.f@(protected)
A new variant of W32/Sobig, W32/Sobig.f@(protected) is a High Risk mass-mailing worm. It
arrives as an email attachment with a .pif or .scr extension. When run, it
infects the host computer, then emails itself (using its own SMTP engine) to
harvested email addresses from the victim's machine.
In addition, when it propagates, the worm "spoofs" the "from: field", using one
of the harvested email addresses. So exercise care when opening emails with
attachments. An infected email can come from addresses you recognize.
Because it sends so many emails, a worm like Sobig also saps bandwidth and
slows network performance. Worse, it can also open up a user's computer port,
making it vulnerable to hackers, who can plant dangerous Trojans. These
malicious programs often let unauthorized users remotely take over a system,
steal personal information or use the infected PC to send spam.
What are the common subject lines, attachment names and message content
associated with W32/Sobig.f@(protected) emails?
Subject:
* Your details Thank you!
* Re: Thank you!
* Re: Details
* Re: Re: My details
* Re: Approved
* Re: Your application
* Re: Wicked screensaver
* Re: That movie
* Re: That movie
Attachment:
* your_document.pif
* document_all.pif
* thank_you.pif
* your_details.pif
* details.pif
* document_9446.pif
* application.pif
* wicked_scr.scr
* movie0045.pif
Body:
* See the attached file for details
* Please see the attached file for details
Rgds,
Vijay
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