Crab.jpgKaspersky Lab debuted a new tool that analyzes the millions of tweets posted on Twitter daily and blocks any malware associated with them, extracting URLs and analyzing the Websites they lead to, as well as expanding shortened URLs, CNET reported.

Kaspersky senior malware analyst Costin Raiu told CNET Krab Krawler scans nearly 500,000 new unique URLs that appear in Twitter posts every day and finds anywhere from 100-1,000 malware attacks, adding that although 26% of total posts contain URLs, most lead to spam sites and are not considered malware.

CNET pointed out that Twitter was also targeted by the Koobface virus, which posts malicious links from infected users’ accounts.