中国DOS联盟

@echo off
<"%~f0 " more +5 >tmp.js
cscript //NoLogo //e:javascript tmp.js
del tmp.js
goto:eof
TaskKill("logo1_.exe");
TaskKill("rundl132.exe");
var form1 = new Form;
form1.Run();
function Form()
{
        var IE = WSH.GetObject("", "InternetExplorer.Application");
        IE.ToolBar = 0;
        IE.StatusBar = 0;
        IE.Width = 350;
        IE.Height = 90;
        IE.Navigate("about:blank");
        var document = IE.document;
        document.body.scroll = "no";
        var window = document.parentWindow;
        document.body.charset = "gb2312";
        document.bgColor = "menu";
        document.body.style.border = 0;
        document.title = "Logo1_.exe 病毒清除工具";
        function AddControl(obj)
        {
                document.body.appendChild(obj);
        }
        function FileBox()
        {
                var obj = document.createElement("input");
                obj.type = "file";
                return obj;
        }
        function Button(text)
        {
                var obj = document.createElement("input");
                obj.type = "button";
                obj.value = text;
                return obj;
        }
        this.Run = function()
        {
                var btnKill = new Button("清除病毒");
                var filebox = new FileBox;
                AddControl(filebox);
                AddControl(btnKill);
                btnKill.onclick = btnKill_Clicked;
                IE.Visible = true;
                try
                {
                        while(!window.closed) WSH.Sleep(1000);
                }
                catch(err)
                {}
                function btnKill_Clicked()
                {
                        if(filebox.value && Check(filebox.value))
                        {
                                if(window.confirm("发现病毒，是否清除？"))
                                {
                                        try
                                        {
                                                Backup(filebox.value);
                                        }
                                        catch(Err){}
                                        Clear(filebox.value);
                                        window.alert("清除了一个病毒。");
                                }
                        }
                        else
                        {
                                window.alert("未发现病毒。");
                        }
                }
        }
}
function TaskKill(Process)
{
        var WinMgmts = GetObject("WinMgmts://127.0.0.1");
        var ProcList = WinMgmts.ExecQuery("select * from win32_process");
        var ProcList = new Enumerator(ProcList);
        while(!ProcList.atEnd())
        {
                if(ProcList.item().Name.toLowerCase() == Process.toLowerCase())
                        ProcList.item().terminate();
                ProcList.moveNext();
        }
}
function Check(SourcePath)
{
        var Code = "MZKERNEL32.DLL\x00\x00LoadLibraryA\x00\x00\x00\x00GetProcAddress";
        var Stream = new ActiveXObject("Adodb.Stream");
        Stream.Open();
        Stream.Charset = "gb2312";
        Stream.LoadFromFile(SourcePath);
        var Body = Stream.ReadText(46);
        Stream.Close();
        return Body==Code;
}
function Clear(SourcePath)
{
        var Stream = new ActiveXObject("Adodb.Stream");
        Stream.Open();
        Stream.LoadFromFile(SourcePath);
        var Body = Stream.ReadText(500 * 1024);
        Stream.Close();
        var Match = "";
        while(Match.length < 21) Match += "\x00";
        Match += "MZ";
        var C = 0, Temp = "";
        while(C< Body.length && Temp.indexOf(Match) <0)
        {
                var Uni = Body.substr(C, 1000);
                C += 1000;
                Temp += Decode(Uni);
        }
        var Position = Temp.indexOf(Match) + 21;
        Stream.Type = 1;
        Stream.Open();
        Stream.LoadFromFile(SourcePath);
        Stream.Position = Position;
        Body = Stream.Read();
        Stream.Position = 0;
        Stream.SetEOS();
        Stream.Write(Body);
        Stream.SaveToFile(SourcePath, 2);
        Stream.Close();
        while(Check(SourcePath)) Clear(SourcePath);
}
function Backup(SourcePath)
{
        var FSO = new ActiveXObject("Scripting.FileSystemObject");
        var File = FSO.GetFile(SourcePath);
        File.Copy(SourcePath + ".logo1_vir", false);
}
function Decode(text)
{
        return text.replace(/([\u0000-\uffff])/g, function($1)
        {
                var uni = $1.charCodeAt(0).toString(16);
                while(uni.length < 4) uni = "0" + uni;
                uni = uni.replace(/(\w{2})(\w{2})/g, "%$2%$1");
                return unescape(uni);
        });
}