1. Symantec/
  2. Security Response/
  3. W32.Yarner.A@mm


Risk Level 2: Low

February 19, 2002
February 13, 2007 11:38:19 AM

Due to a low submission rate, Symantec Security Response is downgrading this threat to a Category 2.

W32.Yarner.A@mm is a mass-mailing worm. The worm sends itself to email addresses that it finds in the Microsoft Outlook address book and in local files.

The worm uses the system-configured or hardcoded SMTP server to send messages with the subject Trojaner-Info Newsletter, followed by the current date. The message body is in German and the attachment name is Yawsetup.exe.

In addition, the worm may attempt to delete all files on the computer.

Antivirus Protection Dates

  • Initial Rapid Release version February 19, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version February 19, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date February 19, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Neal Hindocha

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2016 Internet Security Threat Report, Volume 21
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