Sophos

W32/Feebs-AQ

Aliases
  • W32.Feebs
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email attachments
  • Peer-to-peer
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Protection available since 23 May 2006 21:17:32 (GMT)
Last updated 25 June 2006 19:51:45 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Feebs-AQ is a worm for the Windows platform.

W32/Feebs-AQ spreads via file sharing on P2P networks.

When first run W32/Feebs-AQ copies itself to:

<Windows system folder>\ms??
<Windows system folder>\ms??.exe

where ?? are randomly chosen characters.

The worm also creates the file

<Windows system folder>\ms??32.dll

which is also detected as W32/Feebs-AQ.

The following registry entry is created to run code exported by the worm library on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
ShellServiceObjectDelayLoad
ms??32.dll
(<CLASS ID>)

The file ms??32.dll is registered as a COM object, creating registry entries under:

HKCR\CLSID\(<CLASS ID>)

W32/Feebs-AQ creates ZIP archives containing a copy of the worm in folders used by peer to peer applications.

The zip files have the following names:

3dsmax_9_(3D_Studio_Max)_new!_full+crack.zip
ACDSee_9_new!_full+crack.zip
Adobe_Photoshop_10_(CS3)_new!_full+crack.zip
Adobe_Premiere_9_(2.0_pro)_new!_full+crack.zip
Ahead_Nero_8_new!_full+crack.zip
DivX_7.0_new!_full+crack.zip
ICQ_2006_new!_full+crack.zip
Internet_Explorer_7_new!_full+crack.zip
Kazaa_4_new!_full+crack.zip
Longhorn_new!_full+crack.zip
Microsoft_Office_2006_new!_full+crack.zip
winamp_5.2_new!_full+crack.zip

The worm sends email to addresses collected from files on the infected computer. Email sent by W32/Feebs-AQ contains an attached file with a ZIP file extension containing a variant of Troj/FeebDl.

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