Win Antispyware Center is a rogue security program. A rogue application tries to trick you by displaying false positive/misleading scan results report, which says that your computer is infected with viruses or trojan, but you will not be able to delete them before you purchase.

Create new files:

• %ProgramFiles%\WinAntispywareCenter\av.exe
• %UserProfile%\Local Settings\Temp\10.tmp

Create or modify registry entries:

• HKEY_LOCAL_MACHINE\software\Classes\secfile
• HKEY_LOCAL_MACHINE\software\Classes\secfile\DefaultIcon
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\open
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\open\command
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\runas
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\runas\command
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\start
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\start\command
• HKEY_CURRENT_USER\software\Win Antispyware Center
• HKEY_LOCAL_MACHINE\software\Classes\.exe\shell\open\command
  (Default) = “C:\Program Files\WinAntispywareCenter\av.exe” /START “%1″ %*
  IsolatedCommand = “%1″ %*
• HKEY_LOCAL_MACHINE\software\Classes\secfile\shell\open\command
  (Default) = “C:\Program Files\WinAntispywareCenter\av.exe” /START “%1″ %*
  IsolatedCommand = “%1″ %*
• HKEY_LOCAL_MACHINE\software\microsoft\Windows\CurrentVersion\Run
  Win Antispyware Center = C:\Program Files\WinAntispywareCenter\av.exe
• HKEY_CURRENT_USER\software\Microsoft\Windows\CurrentVersion\Run
  Win Antispyware Center = C:\Program Files\WinAntispywareCenter\av.exe

Screenshots:

How to remove the infection of Win Antispyware Center (Adware.Win32.WinAntispywareCenter)?

To delete this malware infection, please download and install Emsisoft Anti-Malware. Run a full scan on all drives and move all detected items to the quarantine.