病毒名称:Backdoor.Win32.Agent.bez(Kaspersky) 病毒别名:Worm.MSN.Win32.Msnfoto.b(瑞星) 病毒大小:22,234 字节 样本MD5:0e2d5785f9da0190ee5d3ebbf4238ac7 样本SHA1:1d1fa59237757b46b554d2d474443e862865a918 传播方式:通过MSN传播 技术分析 ========== MSN蠕虫变种,向MSN联系人发送诱惑文字消息和带毒压缩包,当联系人接收并打开带毒压缩包中的病毒文件时系统受到感染。 病毒运行后在系统目录生成包含自身的带毒ZIP压缩包: %Windows%\img4851.zip 其中包含病毒文件名为:img4851.jpg-www.myspace.com 创建副本: %Windows%\winfp.exe 创建启动项: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] "Audio Device Manager"="winfp.exe" 使用批处理c:\a.bat停止“安全中心”和“WinVNC”服务: @echo off net stop "Security Center" net stop winvnc4 del c:\a.bat 向MSN联系人发送诱惑文字消息,同时发送带毒压缩包img4851.zip诱使联系人接收打开: WoW? is that really you... what the hell where you drinking :D LOL, you look so ugly in this picture, no joke... Should I put this on facebook/myspace? Hey m8, who is this on the right, in this picture... Sup, seen the pictures from the other night? 尝试连接远程IRC:ns2.darksheekz.info 清除步骤 ========== 1. 删除病毒创建的启动项(开始菜单-运行-输入“regedit”进入注册表依次找到说明选项并按提示操作): [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] "Audio Device Manager"="winfp.exe" 2. 重新启动计算机 3. 删除病毒文件(如遇提示无法删除文件,到down.45it.com下载费尔木马强制删除器工具进行强制删除): %Windows%\winfp.exe %Windows%\img4851.zip |