Win32.HLLW.Autoruner1.34010
Added to the Dr.Web virus database:
2013-03-08
Virus description added:
2013-03-13
Technical Information
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:
- %ALLUSERSPROFILE%\Application Data\TEMP:CECEE078
- %APPDATA%\iesec.exe
- <SYSTEM32>\wbem\Performance\WmiApRpl_new.ini
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:
- 'ir#.##nupdates.nl':2109
- '<Private IP address>':445
- '<Private IP address>':135
UDP:
- DNS ASK ir#.##nupdates.nl
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'OllyDbg'
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