WeeklyReportofCNCERT.PDF

CNCERT/CC Issue 35, 2011 Aug 22 -28 Weekly Report of CNCERT Excellent Good Fair Poor Very Poor Key Findings The overall Internet security situation was good in mainland China. According to sample monitoring results, about 2.14 million computers were infected with malware. 2 new malware family were detected, which was 1 more than that of last week. 31 government websites (.) were defaced, 52.3% less than that of last week. 102 new vulnerabilities were recorded with 1 more than that of last week, including 56 high-risk vulnerabilities that increased by 10. Malware Activities The amount of infected computers in mainland China was about 2.14 million. Out of the total number, 103,000 were controlled by Trojan horse or Botnet, increased by 5.8%. 2.04 million were infected by Conficker. The map below illustrates distribution of computers controlled by Trojan horse and Botnet in mainland China. The regions in red were most seriously affected. Thus, the top 3 were Guangdong province with 12,000, Jiangsu province with over 10,000 and Zhejiang province with about 7,000, accounting for about 11.9%, 9.8% and 6.9% respectively. 1 CNCERT collected a large number of new malware samples via various channels. There came out 102 new malware names, decreasing by 12% compared with that of last week. And 2 new malware families were detected, which were 1 mo