Win32.HLLW.Autoruner1.34010

Added to the Dr.Web virus database: 2013-03-08

Virus description added: 2013-03-13

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MSN' = '%APPDATA%\iesec.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSN' = '%APPDATA%\iesec.exe'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\AUTORUN\S-1-6-21-2434476501-1644491937-600003330-1213\autorun.exe
<Drive name for removable media>:\AUTORUN\S-1-6-21-2434476501-1644491937-600003330-1213\Desktop.ini

Malicious functions:

Creates and executes the following:

Searches for windows to

detect analytical utilities:

ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.siliconrealms.com'
ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
ClassName: 'FileMonClass' WindowName: ''
ClassName: 'RegMonClass' WindowName: ''

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\AUTORUN\S-1-6-21-2434476501-1644491937-600003330-1213\autorun.exe
%APPDATA%\iesec.exe

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: