Virus Database

Melissa.bg (a.k.a. "Resume worm")

Description Melissa.bg (a.k.a. "Resume worm")

This is one more variant of the "Melissa" virus with a very dangerous payload routine and an unlimited (by number of recipients) mailing routine. The virus only sends infected messages by using MS Outlook and does not infect any other files on the computer, so it can be classified as an Internet Worm.
The virus arrives as an e-mail message with an attached Word document.
The message Subject looks like follows:
Resume - Janet Simons
The message Body is:
To: Director of Sales/Marketing,
Attached is my resume with a list of references contained within. Please feel free to call or email me if you have any further questions regarding my experience. I am looking forward to hearing from you.
Sincerely,
Janet Simons.
The attached document contains two macros that are activated upon document opening and closing (Document_Open, Document_Close). Upon opening an infected document, the virus connects to MS Outlook, gets access to the address book and sends infected messages to all addresses listed there. The virus creates a "personal" message to each address, so it sends as many messages as there are addresses in the Outlook address book.
Upon document closing, the virus saves its document with the EXPLORER.DOC name in the Windows startup folder:
C:WINDOWSStart MenuProgramsStartUpExplorer.doc
As a result, this virus copy will be activated upon each Windows start-up. The name of that file is "hardcoded" in the virus body, so this feature is successful only when Windows is installed in exactly that directory.
The virus also creates the C:DATA directory and stores its copy in there with the NORMAL.DOC name:
C:DataNormal.dot
The virus then runs its payload routine. It erases all files in root directories on all drives from C: to Z:, as well as in directories:
C:My Documents*.*
C:WINDOWS*.*
C:WINDOWSSYSTEM*.*
C:WINNT*.*
C:WINNTSYSTEM32*.*
The virus code also contains the text strings:

'----------------------------------------------------------'
' Better You Than Me Buddyall '
' ... Hope You Like My vIrUs '
' :) '
' :( '
'----------------------------------------------------------'

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Boxes.1086

Description Boxes.1086

It's a not dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself at the end of .COM-files that are executed. Sometimes it hooks INT 1Ch also and manifests itself by a video effect.

Boys.500

Description Boys.500

It is a non memory resident harmless parasitic virus. It infects by standard way .COM-files of current directory. While getting infection the file's attributes sets to READ-ONLY. The virus sets the attribute of some .EXE-files to SYSTEM. It contains the text "The good and the bad boy".

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