Sophos

W32/Baba-A

Aliases
  • W32/Netsky-AE
  • I-Worm.Baba.b
  • W32/Netsky.ai@MM
  • W32/Buchon@mm
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email attachments
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Protection available since 22 October 2004 11:42:58 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Baba-A is a mass-mailing worm. W32/Baba-A is a mass-mailing worm.

When run the worm attempts to create a helper component csrss.exe in the C:\ folder and executes it. The helper component then creates the following registry entry so as to auto-start on user logon:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
Key Logger = c:\csrss.exe

W32/Baba-A will attempt to harvest email addresses from files on the infected computer with the following extensions:

DBX WAB MBX EML MDB TBB NBOX DAT

Sent emails are composed as HTML and take the following form:

Subject:

Mail Delivery failure -

Mail body:

If the message will not displayed automatically,
you can check original in attached message.txt

Failed message also saved at:
www.<host>/inbox/security/read.asp?sessionid-<random number>
(check attached instructions)

+++ Attachment: No Virus found
+++ MC-Afee AntiVirus - www.mcafee.com

W32/Baba-A contains the text "SoonChunHyang" and "Bucheon".

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