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W32.Fishinflu@mm

Risk Level 2: Low

Discovered:
January 14, 2008
Updated:
January 15, 2008 10:47:51 AM
Type:
Worm
Infection Length:
229,376 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Fishinflu@mm is a mass-mailing worm that spreads through removable drives and by sending messages to mIRC users.

Antivirus Protection Dates

  • Initial Rapid Release version January 14, 2008 revision 056
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version January 15, 2008 revision 002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date January 16, 2008
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium
  • Payload: Lowers security settings on the compromised computer.
  • Large Scale E-mailing: Sends emails to all email addresses in the Microsoft Outlook address book.
  • Modifies Files: Modifies mIRC files in order to send messages to all connected users.
  • Compromises Security Settings: Lowers security settings by disabling certain system tools.

Distribution

  • Distribution Level: High
  • Subject of Email: Very Important!
Writeup By: Masaki Suenaga
Technical Details

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