The beeps tell you what is wrong. How many and what kind of beeps, ie long or short and grouped how? Here's a link to compaq beep codes. http://www.bioscentral.com/beepcodes/compaqbeep.htm#
After that we'll attack your virus but in the meantime download malware bytes or kapersky rescue disk (and burn to a cd) and a live copy of ubuntu burned to a cd wouldn't hurt. The cds are because I find it useful to attack viruses without windows running, harder for them to hide.