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Win32.HLLW.Autoruner.57130
Added to the Dr.Web virus database:
2011-08-27
Virus description added:
2011-08-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Network Service' = '<SYSTEM32>\wmpntb32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\Recycler.{645FF040-5081-101B-9F08-00AA002F954E}\recsys-830591503.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpntb32.exe' = '<SYSTEM32>\wmpntb32.exe:*:Enabled:xLAN'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpntb32.exe' = '<SYSTEM32>\wmpntb32.exe:*:Enabled:xLAN'
Creates and executes the following:
<SYSTEM32>\wmpntb32.exe <Full path to virus>
Injects code into
the following system 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'
Hides the following processes:
<Full path to virus>
<SYSTEM32>\wmpntb32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\rdat02[1].txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\g02[1].zip
<SYSTEM32>\wmpntb32.exe
Sets the 'hidden' attribute to the following files:
Deletes itself.
Network activity:
Connects to:
'sv##.##telservice.su':5781
'sv##.##telservice.su':4502
'19#.#37.213.67':80
'vp####.#ntelbackupsrv.su':80
'sv##.##teldatamgr.su':6303
'sv##.##teldatamgr.su':48912
TCP:
HTTP GET requests:
19#.#37.213.67/awstats/rdat02.txt
vp####.#ntelbackupsrv.su/net/g02.zip
UDP:
DNS ASK sv##.##telservice.su
DNS ASK sv##.##teldatamgr.su
DNS ASK vp####.#ntelbackupsrv.su
Miscellaneous:
Searches for the following windows:
ClassName: 'TCPViewClass' WindowName: ''
ClassName: '#32770' WindowName: 'Regshot 1.8.2'
ClassName: 'PROCEXPL' WindowName: ''
ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
ClassName: 'SmartSniff' WindowName: 'SmartSniff'
ClassName: 'CurrPorts' WindowName: 'CurrPorts'
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