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F-Secure Virus Descriptions : Bagle.AA

[Summary] | [Detection]



NAME:Bagle.AA
ALIAS:I-Worm.Bagle.aa, I-Worm.Bagle.src

Summary

Bagle.AA is a variant similar to Bagle.Z. There are the following noteworthy diferences:

- The worm has different filename: 'loader_name.exe'

- New registry value is used:

  [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
  "reg_key" = "%SystemDir%\loader_name.exe"

- Security applications are not terminated anymore

- The worm carries its source code iniside its body

- Expiration date set to July 6th, 2004

For more information please see the description of Bagle.Z:

http://www.f-secure.com/v-descs/bagle_z.shtml

Detection

F-Secure Anti-Virus detects Bagle.AA starting from the following update:

[FSAV_Database_Version]

Version=2004-07-04_02

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Writeup: Gergely Erdelyi, Jul 5th, 2004;

F-Secure Corporation