I use malwarebytes and it is the best antivirus software that I have used besting the more expensive Symantec, Norton etc. I paid $24.95 for it after a very successful trial period because I was more than happy with its performance.
Malware bytes has bundled 6 other software titles with it as follows
Acronis True Image Home 2012
Passware Kit Standard
USB to Ethernet Connector
NXPowerLite Desktop Edition
Malwarebytes Anti-Malware PRO
You can also test Malwarebytes for free before the deal ends if you need your mind making up about it's performance. I have converted cost from $ to £ (price will fluctuate according to forex prices, but very unlikely to go above £35)
Be gentle "First deal posted"!!!