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Sharp increase in Worm.SomeFool
June 28, 2005
This worm spreads via the Internet as an attachment to infected emails.
The worm itself is a Windows PE EXE file of approximately 18KB, packed using UPX and written in Microsoft Visual C++.
Message header (chosen at random from the list below)
Approved Hello Hi Important My details Re: Approved Re: Hello Re: Hi Re: Important Re: My details Re: Request Re: Thanks you! Re: Your details Re: Your document Re: Your information Request Thank you! Your details Your document Your information
Message body (chosen at random from the texts below)
Approved, here is the document. For more details see the attached document. For more information see the attached document. Hello! Here is the "...". Here is the document. Hi! I have found the "...". I have sent the "...". I have spent much time for the "...". I have spent much time for your document. My "..." is attached. My "...". Note that I have attached your document. Please have a look at the "...". Please have a look at the attached document. Please notice the attached "...". Please notice the attached document. Please read quickly. Please read the "...". Please read the attached document. Please see the "...". Please, "...". See the document for details. Thank you Thanks The "..." is attached. The "...". The requested "..." is attached! Your "..." is attached. Your "...". Your file is attached to this mail. Yours sincerely
The worm inserts random characters from the list below between the quotation marks.
abuse list account answer approved document approved file archive bill concept contact list corrected document description detailed document details developement diggest document e-mail excel document file final version homepage icq number important document improved document improved file info information instructions letter list mail message movie document new document note notice number list old document order personal message phone number photo document picture document postcard powerpoint document presentation document release report requested document sample secound document story summary text textfile user list word document
Attachment
A file with a .pif extension and a randomly generated name.
The worm is activated when the user opens the attached file.
Once launched, the worm installs inself to the system and starts propagating.
Installation
When installating, the worm copies itself to the Windows directory under the name EastAV.exe and registers this file in the system registry auto-run key:
[HKLM\Software\Microsoft\Windows\CurrentVersion\Run] "EastAV"="%windir%\EastAV.exe"
Mass mailing
The worm searches for files with the extensions listed below:
adb asp cfg cgi dbx dhtm doc eml htm html jsp mbx |
mdx mht mmf msg nch ods oft php pl ppt rtf sht |
shtm stm tbb txt uin vbs wab wsh xls xml |
harvests email addresses and sends copies of itself to all addresses found.
The worm uses its own SMTP library to send messages.
Other
The worm will attempt to conduct DoS attacks on the following sites in accordance with the system clock local settings:
www.cracks.am www.emule.de www.freemule.net www.kazaa.com www.keygen.us
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