My Kaspersky antivirus had no reaction to the installer, and
virusscan.jotti.org/ found no virus either.
Anyhow, I looked at the report, on all the tools which VirusTotal uses, only one (SecureAge APEX) of more than 60 tools reported something wrong, and without saying what it found. "Malicious" could mean a virus, a spyware...
I think you should send the SpeedCrunch installer to virus total, this is most probably a false positive.