The last year has seen a string of takedowns of botnet command-and-control servers, malware drop zones, spam operations and other pieces of the crimeware infrastructure. But question of whether the takedowns have had any lasting effect on the overall level of crime and fraud online is a more complicated one. The most recent operation that s gained notice is the takedown of VolgaHost, a hosting provider in Russia that had attracted a lot of attention from researchers for allegedly hosting hundreds of malicious URLs and botnet servers.
Source: https://threatpost.com/why-takedowns-dont-reduce-online-crime-012711/74888/