新买的联想ThinkPad E430笔记本总是莫名其妙自动下载很多软件并且老是提示有病毒

2013年9月20号新买的联想ThinkPad E430笔记本突然莫名其妙自动下载很多软件并且老是提示有病毒，且里面很多软件显示安装时间是2013年7月份，官网查询保修期限后显示如下，是不是旧机器？还想知道这种机子的市场价位是多少。求各大神解析。
Warranty Status Lookup

Product ID: Type-Model: Serial number:
3254C22 3254-C22 MP2EBCL

Location: Expiration date:
China 2013-12-16

Description:
This product has a one year limited warranty and is entitled to parts,labor and carry-in repair service. In some countries, courier servicewill be provided. Many parts can also be delivered to you using theCustomer Replaceable Unit (CRU) method.

Services and upgrades applied to this system

Base Warranty

Start Date: 2012-12-17 End Date: 2013-12-16 Warranty: 12C Active
Description:This product has a one year limited warranty and is entitled to parts,labor and carry-in repair service. In some countries, courier servicewill be provided. Many parts can also be delivered to you using theCustomer Replaceable Unit (CRU) method.

Purchase warranty service upgrades and maintenance services
Incorrect warranty dates? Click here for help

尊敬的联想用户您好，建议您用杀毒软件进行病毒查杀，对于联想产品的价格，您可以在官网查询或者咨询我们的售前热线，不同区域价格会有差别 ，我们有专门的工程师会给你专业的分析和讲解，联系电话链接：
http://www.lenovo.com.cn/Public/public_bottom/contact.shtml

对于联想产品的保修期限和政策，您也可以咨询我们的售后服务热线。

我们建议您通过联想官网商城等正规渠道购买产品，以确保您买到的产品质量安全可靠。
感谢您对联想的支持，祝您生活愉快 ！