时间:2010-08-14 | 栏目:安全播报 | 点击:次
一、后门病毒:W32.Phoney.A 危害级别:★★★★☆
根据光华反病毒研究中心专家介绍,该病毒长度 270,336 字节,感染 Windows 98, Windows 95, Windows XP, Windows Me, Windows NT, Windows Server 2003, Windows 2000系统。它通过影射驱动器传播,减低系统安全设置。当收到、打开此病毒时,有以下危害:
A 复制自身到以下文件 C:\Documents and Settings\All Users\Start Menu\Programs\Startup\Empty.pif
Win目录\Autorun.inf
系统目录\web.exe
Win目录\winxp.exe
当前目录\[目录名].exe
B 生成以下文件到所有影射驱动器根目录 AUTORUN.INF
microsoft.exe
C 创建以下注册表项
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\"Rontok" = "Explorer.exe "%Windir%\winxp.exe""
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\"Userinit" = "%System%\userinit.exe, %Windir%\winxp.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\"Bron" = "%Windir%\winxp.exe"
使得病毒每次开机后自动执行
D 修改以下注册表,减低系统安全设置
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoFolderOptions" = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\"DisableRegistryTools" = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\"DisableTaskMgr" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\"Hidden" = "4"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\"HideFileExt" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\"ShowSuperHidden" = "0"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoClose" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoDesktop" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"Nofolderoptions" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Network\"NoNetSetup" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableCMD" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableRegistryTools" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableTaskMgr" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"NoDispCPL" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WinOldApp\"Disable = "4"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug\"Auto" = ""1""
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore\"DisableConfig" = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore\"DisableSR" = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\"DisableMSI" = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer\"LimitSystemRestoreCheckpointing" = "1"
E 修改以下注册表,更改系统执行文件设置
HKEY_CLASSES_ROOT\batfile\shell\open\command\"(Default Value)" = ""%System%\web.exe" "%1" %*"
HKEY_CLASSES_ROOT\comfile\shell\open\command\"(Default Value)" = ""%System%\web.exe" "%1" %*"
HKEY_CLASSES_ROOT\exefile\"(Default Value)" = "File Folder" = ""%System%\web.exe" "%1" %*"
HKEY_CLASSES_ROOT\lnkfile\shell\open\command\"(Default Value)" = ""%System%\web.exe" "%1" %*"
HKEY_CLASSES_ROOT\piffile\shell\open\command\"(Default Value)" = ""%System%\web.exe" "%1" %*"
F 修改以下注册表,使得病毒在安全模式下启动
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\"AlternateShell" = "%System%\web.exe"
G 在上午8点到晚上8点半之间,每半个小时启动一次计算机
H 在以下时间 08:13:10 AM
08:48:10 AM
09:17:10 AM
09:51:10 AM
10:10:10 AM
10:46:10 AM
11:19:10 AM
11:38:10 AM
12:12:10 PM
12:49:10 PM
01:41:10 PM
02:06:10 PM
02:27:10 PM
03:15:10 PM
03:54:10 PM
04:10:10 PM
04:43:10 PM
05:16:10 PM
05:42:10 PM
06:17:10 PM
显示图片(假Norton)见图