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Win32.HLLW.Autoruner1.55207
Added to the Dr.Web virus database:
2013-09-01
Virus description added:
2013-09-04
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel System Core' = '<SYSTEM32>\igfxpx32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\~TrashBin\xCuAnZlGimAplWa.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxpx32.exe' = '<SYSTEM32>\igfxpx32.exe:*:Enabled:ILAN'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxpx32.exe' = '<SYSTEM32>\igfxpx32.exe:*:Enabled:ILAN'
Creates and executes the following:
'<SYSTEM32>\igfxpx32.exe' <Full path to virus>
Executes the following:
'<SYSTEM32>\sc.exe' config ekrn start= disabled
'<SYSTEM32>\sc.exe' stop ekrn
'<SYSTEM32>\net.exe' stop ekrn
'<SYSTEM32>\net1.exe' stop ekrn
'<SYSTEM32>\sc.exe' stop SmcService
'<SYSTEM32>\net.exe' stop SmcService
'<SYSTEM32>\sc.exe' delete ekrn
'<SYSTEM32>\sc.exe' delete NOD32krn
'<SYSTEM32>\sc.exe' delete avg9wd
'<SYSTEM32>\net1.exe' stop avg9wd
'<SYSTEM32>\sc.exe' config avg9wd start= disabled
'<SYSTEM32>\net.exe' stop NOD32krn
'<SYSTEM32>\net1.exe' stop NOD32krn
'<SYSTEM32>\sc.exe' config NOD32krn start= disabled
'<SYSTEM32>\sc.exe' stop NOD32krn
'<SYSTEM32>\sc.exe' config SmcService start= disabled
'<SYSTEM32>\net1.exe' stop "Norton Antivirus Server"
'<SYSTEM32>\sc.exe' config "Norton Antivirus Server" start= disabled
'<SYSTEM32>\sc.exe' stop "Norton Antivirus Server"
'<SYSTEM32>\sc.exe' delete "Norton Antivirus Server"
'<SYSTEM32>\sc.exe' delete OutpostFirewall
'<SYSTEM32>\sc.exe' stop OutpostFirewall
'<SYSTEM32>\net1.exe' stop OutpostFirewall
'<SYSTEM32>\net.exe' stop "Norton Antivirus Server"
'<SYSTEM32>\net.exe' stop "Symantec AntiVirus"
'<SYSTEM32>\sc.exe' delete SmcService
'<SYSTEM32>\net1.exe' stop SmcService
'<SYSTEM32>\sc.exe' stop "Symantec AntiVirus"
'<SYSTEM32>\sc.exe' delete "Symantec AntiVirus
'<SYSTEM32>\net1.exe' stop "Symantec AntiVirus"
'<SYSTEM32>\sc.exe' config "Symantec AntiVirus" start= disabled
'<SYSTEM32>\sc.exe' stop avg9wd
'<SYSTEM32>\net.exe' stop DrWebCom
'<SYSTEM32>\sc.exe' delete SPIDERNT
'<SYSTEM32>\net1.exe' stop SPIDERNT
'<SYSTEM32>\sc.exe' stop DrWebCom
'<SYSTEM32>\sc.exe' delete DrWebCom
'<SYSTEM32>\net1.exe' stop DrWebCom
'<SYSTEM32>\sc.exe' config DrWebCom start= disabled
'<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
'<SYSTEM32>\net.exe' stop avgfws
'<SYSTEM32>\sc.exe' stop avg8wd
'<SYSTEM32>\net.exe' stop avg8wd
'<SYSTEM32>\sc.exe' delete avgwd
'<SYSTEM32>\sc.exe' config avg8wd start= disabled
'<SYSTEM32>\net.exe' stop avg9wd
'<SYSTEM32>\sc.exe' delete avg8wd
'<SYSTEM32>\net1.exe' stop avg8wd
'<SYSTEM32>\net1.exe' stop avgwd
'<SYSTEM32>\net1.exe' stop avgfws
'<SYSTEM32>\sc.exe' config avgfws start= disabled
'<SYSTEM32>\sc.exe' stop avgfws
'<SYSTEM32>\sc.exe' delete avgfws
'<SYSTEM32>\sc.exe' config avgwd start= disabled
'<SYSTEM32>\sc.exe' stop avgwd
'<SYSTEM32>\net.exe' stop avgwd
Injects code into
the following system processes:
<SYSTEM32>\sc.exe
<SYSTEM32>\net.exe
%WINDIR%\Explorer.EXE
<SYSTEM32>\net1.exe
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>\igfxpx32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\p1[1].exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\index1[1].txt
%PROGRAM_FILES%\Wireshark\wireshark.exe
<SYSTEM32>\igfxpx32.exe
C:\cwsandbox\cwsandbox.exe
Sets the 'hidden' attribute to the following files:
Deletes itself.
Network activity:
Connects to:
's1#.#bersexy.su':8081
'19#.#37.213.67':80
's9.##ersexy.su':8083
'vm.##ersexy.su':80
's2.###tchawanta.su':8084
TCP:
HTTP GET requests:
19#.#37.213.67/net/index1.txt
vm.##ersexy.su/net/p1.exe
UDP:
DNS ASK s9.##ersexy.su
DNS ASK s1#.#bersexy.su
DNS ASK vm.##ersexy.su
DNS ASK s2.###tchawanta.su
Miscellaneous:
Searches for the following windows:
ClassName: 'TCPViewClass' WindowName: '(null)'
ClassName: '#32770' WindowName: 'Regshot 1.8.2'
ClassName: 'PROCEXPL' WindowName: '(null)'
ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
ClassName: 'SmartSniff' WindowName: 'SmartSniff'
ClassName: 'CurrPorts' WindowName: 'CurrPorts'
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