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Win32.HLLW.Autoruner2.6220
Added to the Dr.Web virus database:
2014-02-09
Virus description added:
2014-02-10
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ac81fa871a4336b2440cb3826cd12647' = '"%TEMP%\smss.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ac81fa871a4336b2440cb3826cd12647' = '"%TEMP%\smss.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\smss.exe' = '%TEMP%\smss.exe:*:Enabled:smss.exe'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\smss.exe" "smss.exe" ENABLE
Modifies file system :
Creates the following files:
Network activity:
Connects to:
'wi####fc.zapto.org':1177
UDP:
DNS ASK wi####fc.zapto.org
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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