Win32.HLLW.Autoruner2.5154
Added to the Dr.Web virus database:
2014-02-04
Virus description added:
2014-02-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b1c3a0221af48ad1f41e284af9bca342' = '"%TEMP%\wifi.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b1c3a0221af48ad1f41e284af9bca342' = '"%TEMP%\wifi.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b1c3a0221af48ad1f41e284af9bca342.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Wifi.PassWord.Hack
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\wifi.exe' = '%TEMP%\wifi.exe:*:Enabled:wifi.exe'
Creates and executes the following:
- '%TEMP%\wifi.exe'
- '%TEMP%\2.exe'
- '%TEMP%\1.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\wifi.exe" "wifi.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\wifi.exe
- C:\Wifi.PassWord.Hack
- %TEMP%\1.exe
- %TEMP%\2.exe
Network activity:
Connects to:
- 'ho####n0.no-ip.biz':1177
UDP:
- DNS ASK ho####n0.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'WirelessNetView' WindowName: '(null)'
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