Win32.HLLW.Autoruner1.14064
Added to the Dr.Web virus database:
2012-04-01
Virus description added:
2012-04-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\conime.exe] 'Debugger' = 'MsSyClient.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'conime.exe' = 'conime.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\~temp\14356.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\MsSyClient.exe' = '<SYSTEM32>\MsSyClient.exe:*:Enabled:LAN Router'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\MsSyClient.exe' = '<SYSTEM32>\MsSyClient.exe:*:Enabled:LAN Router'
Creates and executes the following:
- <SYSTEM32>\MsSyClient.exe <Full path to virus>
Injects code into
the following system processes:
Terminates or attempts to terminate
the following user processes:
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
detect programs and games:
- ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\debug2[1].zip
- <SYSTEM32>\MsSyClient.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\MsSyClient.exe
Deletes itself.
Network activity:
Connects to:
- 'ro##.##xme1fucan.com':80
TCP:
HTTP GET requests:
- ro##.##xme1fucan.com/net/debug2.zip
UDP:
- DNS ASK ns##.##ezombieblog.net
- DNS ASK ns##.##ezombieworld.com
- DNS ASK ns##.##toresalerep.net
- DNS ASK ns##.###biemaniacbiz.com
- DNS ASK ns#.###lzombieguide.com
- DNS ASK ro##.##xme1fucan.com
- '<Private IP address>':1038
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'PROCEXPL' WindowName: ''
- ClassName: '#32770' WindowName: 'Regshot 1.8.2'
- ClassName: 'TCPViewClass' WindowName: ''
- ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
- ClassName: 'SmartSniff' WindowName: 'SmartSniff'
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