Blockdefense is yet another of these wolves in sheep clothing that make some computer users lives so miserable these days. It is from the same group of malware that includes Trustninja, save soldier, and savedefense. These are part of a group of rogue antivirus programs that are part of the WinGuard group of related malware.
Like so many of these it encourages users to buy based on trumped up fears about files that it claims are threats. (Which it created on the disk.) So, here is how you go about removal of blockdefense…