Win32.HLLW.Autoruner2.16850
Added to the Dr.Web virus database:
2014-08-12
Virus description added:
2014-08-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"%TEMP%\Trojan.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"%TEMP%\Trojan.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Trojan.exe' = '%TEMP%\Trojan.exe:*:Enabled:Trojan.exe'
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Trojan.exe" "Trojan.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\google[1]
- %TEMP%\Trojan.exe
Network activity:
Connects to:
- '11#####ad.servehttp.com':1177
- '74.##5.232.51':80
- 'localhost':1036
TCP:
UDP:
- DNS ASK 11#####ad.servehttp.com
- DNS ASK www.google.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'IEFrame' WindowName: '(null)'
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