我怀疑我家电脑是不是中病毒了，老是自动接收ICMP数据包，查ＩＰ一下查美国去，不知到中什么病毒了，用瑞星查根本查不到．
2007-02-25 23:55:41, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 201.133.33.22 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:55:38, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 201.133.33.22 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:52:33, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 24.139.135.169 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:52:31, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 24.139.135.169 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:49:28, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 71.104.15.194 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:49:16, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 200.102.16.163 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:16:07, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 216.76.162.106 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:09:05, 系统禁止接收ICMP数据包；地址为：220.174.70.134 <= 202.175.231.9 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 23:01:44, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 69.69.96.98 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 22:47:35, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 217.201.156.180 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 22:47:33, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 217.201.156.180 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 22:31:04, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 89.159.39.61 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 22:31:02, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 89.159.39.61 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 22:03:30, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 24.231.73.194 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:27:29, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 195.242.157.41 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:27:27, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 195.242.157.41 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:22:10, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 83.20.81.220 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:22:08, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 83.20.81.220 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:21:56, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 201.243.59.23 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:21:54, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 201.243.59.23 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:21:39, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 222.236.121.90 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:19:27, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 83.28.148.204 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:19:25, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 83.28.148.204 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:07:07, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 222.33.147.207 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:04:54, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 88.192.207.15 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:04:52, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 88.192.207.15 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:04:40, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 195.132.137.101 Code=0, Type=8 ；满足规则：禁止Ping入
2007-02-25 21:04:38, 系统禁止接收ICMP数据包；地址为：220.174.71.63 <= 195.132.137.101 Code=0, Type=8 ；满足规则：禁止Ping入
哪个高手帮我一下,告诉我是什么病毒?

你到%system root%\windows\system32\drivers\etc\hosts用记事本方式打开看下
# Copyright (c) 1993-1999 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#


127.0.0.1      localhost
如果由别的话 就是中木马了
将别的删掉 再到注册表那里删掉非必要的启动项
仔细查找%system root%\windows\system32下的病毒文件
%system root%\windows\system32\drivers下的病毒文件
%system root%\progame files下的病毒文件