Win32.HLLW.Autoruner.50335
Added to the Dr.Web virus database:
2011-05-24
Virus description added:
2012-01-14
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Firewall' = '%TEMP%\lsass.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Firewall' = '%TEMP%\lsass.exe'
Malicious functions:
Creates and executes the following:
Modifies file system :
Creates the following files:
- %TEMP%\lsass.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\lsass.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
Network activity:
Connects to:
- 'a.###t28.org':21
- 'wp#d':80
TCP:
UDP:
- DNS ASK a.###t28.org
- DNS ASK wp#d
- '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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