QR codes have become a major source of smartphone viruses, with more than 100 million smartphone users infected with malicious software in the first six months of this year, according to a report released by internet giant Tencent.互联网巨头腾讯近日公布的一份报告表明，今年上半年，多达1亿智能手机用户病毒感染过恶意软件，二维码已沦为智能手机病毒的一个主要来源。Tencents anti-virus program for smartphones prevented 693 million attempted virus attacks in the first half of 2017, an increase of 124.24% year-on-year, and QR codes were a major source of those viruses, accounting for 20.8%, the report said.报告称之为，2017年上半年，腾讯的智能手机杀毒软件截击病毒反击6.93亿次，同比快速增长124.24%，二维码沦为这些病毒的主要来源之一，占到比达20.8%。
The report found that the number of virus attacks on personal computers reached 1 billion in the first half of the year, a 30% increase compared with the previous six months from July to December 2016.报告找到，今年上半年，针对PC端的病毒反击次数超过10亿次，环比2016年下半年快速增长了30%。Statistics from Tencents anti-virus laboratory from 2014 to 2017 showed that the number of malware programs continued to increase.腾讯反病毒实验室的2014年至2017年的统计数据表明，恶意软件的数量在持续减少。
Shenzhen topped the list of locations with the most virus attacks, followed by Chengdu and Guangzhou, according to the report, which added that cities and regions with higher internet popularity might face higher risks of virus attacks.报告称之为，深圳是遭到病毒反击次数最少的地点，其次是成都和广州。报告还认为，互联网较繁盛的城市和地区遭到病毒反击的风险有可能更高。The types of viruses in the first half of 2017 did not significantly differ from last year, the report said.该报告认为，2017年上半年的病毒类型与去年比起没明显的有所不同。
Trojan horse viruses, which accounted for 53.8 percent of the total, remained the most prolific in the period, followed by Adware viruses, at 39.02 percent.特洛伊木马病毒占有了总数的53.8%，在同一时期依然是最少的，紧随其后的是Adware病毒，占有39.02%。
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