Hack worths on both MP and SP
Screenshots
Extract folder mods to
Username > AppData > Roaming > .minecraft
Replace minecraft.jar at
Username > AppData > Roaming > .minecraft > bin
Hotkeys
f - toggle fly hack
q - go down
e - go up
x - toggle x-ray (enables you to find fast diamond)
Virus Scans
VirusTotal - Free Online Virus, Malware and URL Scanner
VirScan isn't working for me atm, you can send it to there to scan it, then post the link and I'll edit this post.