XP Antispyware 2010 or whatever other name it takes on at the moment of install. The installer adapts the title to your Windows version.
We have seen, all from the same installer:

  • XP Antispyware 2010
  • XP Internet Security 2010
  • Antivirus XP 2010
  • Vista Antivirus Pro
  • Vista Antivirus Pro 2010
  • Vista Antispyware 2010
  • Win7 Antispyware 2010
  • Win7 Internet Security 2010
  • Win7 Guardian 2010

For screenshots and detailed removal instructions visit our forums. You can also get help there should you need it.

And note that the full version of Malwarebytes’ Anti-Malware could have protected your computer against this threat.
We use different ways of protecting your computer(s):

  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention

Save yourself the hassle and get protected.

Pieter Arntz