Sophos

W32/Antinny-P

Aliases
  • Worm.Win32.Antinny.af
  • W32/Antinny.gen!p2p
  • W32.HLLW.Antinny.G
  • WORM_ANTINNY.AF
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Peer-to-peer
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Included in our products from May 2006 (4.05)
Protection available since 10 February 2006 22:50:05 (GMT)
Last updated 22 March 2006 21:24:28 (GMT)
Detected by All Sophos products

Action

More Information

W32/Antinny-P is a Peer-to-peer worm for the Windows platform that spreads via file sharing on WinNY networks.

W32/Antinny-P includes functionality to steal confidential information W32/Antinny-P is a Peer-to-peer worm for the Windows platform that spreads via file sharing on WinNY networks.

W32/Antinny-P includes functionality to steal confidential information

-by searching files with the following extensions:

TXT
PDF
DOC
XLS
DBX
PPT

-by saving desktop screenshots into the JPEG files

-by logging IP configurations

W32/Antinny-P packs the stolen information together with a copy of the worm in the <random>@@@@@@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@.zip file to be shared through the mentioned peer-to-peer file sharing utility.

When first run W32/Antinny-P copies itself to <Windows system folder>\drivers\etc\svchost.exe and to <Windows system folder>\wbem\<random>@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@@@@@@@@
@@@@@@@@@@@@@@@@@@@@@.exe,
and creates the following files:

<Windows temp folder>\mstemp.exe
<Windows system folder>w32secm.exe

The following registry entry is created to run W32/Antinny-P on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Security Manager
<Windows system folder>\drivers\etc\svchost.exe -c -ax

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