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W32.Fubalca

Risk Level 2: Low

Discovered:
April 1, 2007
Updated:
April 1, 2007 1:34:11 PM
Also Known As:
PE_FUBALCA.A-O [Trend], W32/Fujacks.aa [McAfee], Agent.BKY [F-Secure], Trojan-Downloader.Win32.Agent.bky [Kaspersky], Win32/Tonveck.A [Computer Associates]
Type:
Worm
Infection Length:
12,800 bytes
Systems Affected:
Windows 2000, Windows NT, Windows Server 2003, Windows XP
CVE References:
CVE-2007-0038, CVE-2007-1765
W32.Fubalca is a worm that spreads through removable media and infects various file types, including .exe and .html files.

Antivirus Protection Dates

  • Initial Rapid Release version April 1, 2007
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 1, 2007
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 4, 2007
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
  • Modifies Files: Infects .exe and .html files.
  • Releases Confidential Info: Downloaded malware may release gaming account information.

Distribution

  • Distribution Level: Medium
  • Shared Drives: Copies itself to the root of shared drives.
  • Target of Infection: Removable media.
Writeup By: Masaki Suenaga

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