FraudWall Technologies, a Palo Alto, Calif. anti-clickfraud startup, has raised $3.25 million of a planned $4.5 million second round of funding led by JK&B Capital, according to regulatory filings cited by PE Wire.

The company was founded and seeded by Jim Pitkow and Ron Conway, with Sherpalo Ventures and Baseline Venture, which we first wrote about here.