Virosafe Danmark AS

Trojanere de IT-kriminelles vigtigste våben

Pressemeddelelse   •   Nov 03, 2011 09:56 CET

PandaLabs Quarterly Report

Trojanere de IT-kriminelles vigtigste våben

Over 5 mill. nye stykker malware i Q3 og mere end 75% er trojanere

PandaLabs, Panda Security’s anti-malware laboratory, today published its Quarterly Report for Q3, analyzing the IT security events and incidents from July through September 2011. As the report outlines, malware creation has held steady despite being the holiday period in many countries around the world. More than 5 million new malware strains have been generated and Trojan creation has hit a new record high, further confirming that Trojans are cyber-crooks’ weapon of choice to steal user data. 

Like last quarter, hacking group Anonymous has continued to make headlines due to the arrest of some of its members, data breaches and operation PayPal.   

PandaLabs’ quarterly report also deals with cyber-crime, cyber-war, social networks, threats targeting Mac computers and cell phones, and includes a detailed article about vulnerabilities and exploits. 

According to Luis Corrons, technical director of PandaLabs, “The most striking news of the quarter was the huge amount of Trojans put in circulation. The fact that Trojans have accounted for 3 out of 4 new malware specimens shows that cyber-crooks are clearly focusing on data theft, as this is their weapon of choice for this type of activity.”  

Malware Activity 

The summer months saw a new record in Trojan creation as 3 out of every 4 new malware strains created this quarter were Trojans (76.76 percent as compared to 68 percent last quarter). Since the popularization of computer crime Trojans had always been the dominant malware threat, but never at this level. Viruses came in second place with 12.08 percent, over 4 percentage points lower than the previous quarter. Worms were in third place, dropping from 11.69 to 6.26 percent. Adware grew significantly from 1.37 percent last quarter to 3.52 percent this quarter, mainly due to the increasing number of fake antivirus programs in circulation. 

As recorded by Panda Security’s online scanner, Panda ActiveScan, the distribution of malware infections by type is mostly the same as last quarter. Once again, Trojans, viruses and worms accounted for most of the infections (with 63.22 percent, 10.11 percent and 9.74 percent respectively). 

As for the specific threats responsible for most infections this quarter, the Top 10 specimens have caused almost 50 percent of all infections. However, this can be a bit misleading as many of the entries on the Top 10 list are generic malware that include several families. 

China Continues to Lead Infection Rankings

China once again continues to lead the ranking of the top 20 countries with the most infections, with 62.47 percent of infected computers according to Collective Intelligence. Taiwan (50.93 percent) and Turkey (46.68 percent) occupy the second and third spots followed by Russia and Poland. PandaLabs observed Sweden as being the least infected country (23.36 percent of infections), followed by the United Kingdom, Switzerland and Germany. 

“We should follow the examples of those countries which, quarter after quarter, continue to have the least infections, like Sweden, and take good note of their good practices and principles in order to adopt them. We must learn from successes and failures to achieve a safer world.”  

Billedtekst: 5 mill. nye stykker malware i Q3 og mere end 75% er trojanere. 

Yderligere info fås hos Michael E. Mørk, Panda Security Danmark, på tlf. 42 13 80 44, eller via

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