Win32.HLLP.Siggen.44
Added to the Dr.Web virus database:
2014-07-01
Virus description added:
2014-07-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = '<SYSTEM32>\RUNER.EXE Letov %1 %*'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'DE@LVir.exe' = '"<SYSTEM32>\DE@LVir.exe"'
Substitutes the following executable system files:
- <SYSTEM32>\dllcache\sapisvr.exe with <SYSTEM32>\dllcache\sapisvr.exe.new
- <SYSTEM32>\dllcache\msinfo32.exe with <SYSTEM32>\dllcache\msinfo32.exe.new
Infects the following executable files:
- %PROGRAM_FILES%\FireFox\updater.exe
- %PROGRAM_FILES%\FireFox\xpcshell.exe
- %PROGRAM_FILES%\FireFox\shlibsign.exe
- %PROGRAM_FILES%\FireFox\uninstall\helper.exe
- <SYSTEM32>\dllcache\msinfo32.exe.new
- <SYSTEM32>\dllcache\sapisvr.exe.new
- %CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.exe.new
- %CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.exe.new
- %PROGRAM_FILES%\FireFox\plugin-container.exe
- %CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.exe
- %CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.exe
- %CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE
- %CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.EXE
- %PROGRAM_FILES%\FireFox\mangle.exe
- %PROGRAM_FILES%\FireFox\nsinstall.exe
- %PROGRAM_FILES%\FireFox\crashreporter.exe
- %PROGRAM_FILES%\FireFox\firefox.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\RUNER.EXE
- <SYSTEM32>\DE@LVir.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\RUNER.EXE
- <SYSTEM32>\DE@LVir.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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