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Win32.HLLW.Autoruner.56236
Added to the Dr.Web virus database:
2011-08-13
Virus description added:
2011-08-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel Wifi Config' = '<SYSTEM32>\igfxwk32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\~DataSys\sysdat-t9573.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxwk32.exe' = '<SYSTEM32>\igfxwk32.exe:*:Enabled:xLAN'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxwk32.exe' = '<SYSTEM32>\igfxwk32.exe:*:Enabled:xLAN'
Creates and executes the following:
<SYSTEM32>\igfxwk32.exe <Full path to virus>
Executes the following:
<SYSTEM32>\net.exe stop DrWebCom
<SYSTEM32>\net1.exe stop SPIDERNT
<SYSTEM32>\sc.exe delete SPIDERNT
<SYSTEM32>\sc.exe config DrWebCom start= disabled
<SYSTEM32>\sc.exe delete DrWebCom
<SYSTEM32>\net1.exe stop DrWebCom
<SYSTEM32>\sc.exe stop DrWebCom
<SYSTEM32>\sc.exe config SPIDERNT start= disabled
<SYSTEM32>\sc.exe config DrWebEngine start= disabled
<SYSTEM32>\sc.exe stop DrWebEngine
<SYSTEM32>\net.exe stop DrWebEngine
<SYSTEM32>\net1.exe stop DrWebEngine
<SYSTEM32>\sc.exe stop SPIDERNT
<SYSTEM32>\net.exe stop SPIDERNT
<SYSTEM32>\sc.exe delete DrWebEngine
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>\igfxwk32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\s1[1].exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\datalog2[1].txt
%PROGRAM_FILES%\Wireshark\wireshark.exe
<SYSTEM32>\igfxwk32.exe
C:\cwsandbox\cwsandbox.exe
Sets the 'hidden' attribute to the following files:
Deletes itself.
Network activity:
Connects to:
'sv##.##telservice.su':4502
'14#.#48.35.28':80
'sv##.##teldatamgr.su':51930
'sv##.##telservice.su':5781
'vp####.#ntelbackupsrv.su':80
TCP:
HTTP GET requests:
14#.#48.35.28/awstats/datalog2.txt
vp####.#ntelbackupsrv.su/net/s1.exe
UDP:
DNS ASK sv##.##teldatamgr.su
DNS ASK vp####.#ntelbackupsrv.su
DNS ASK sv##.##telservice.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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