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How To Make A Real Virus File Scanner

Stuff You Will Need:
Visual Basic 2005/2008/2010
.NET Framework 2.0 or Higher

Buttons Or TexBoxes etc.
3 Buttons
2 TextBox

1)First, Arrange TextBox1 Where Ever You Like And Put It Multiline

2)For Button1, Type "Scan". For Button2, Type "Browse". For Button3, Type "Delete"

Now For The Code
Right Click On Form1 And Click View Code

Code: Select all

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If TextBox1.Text.Contains("VIRUS") Then

            MsgBox("Virus Detected.", MsgBoxStyle.Critical)
        Else
            MsgBox("File Safe", MsgBoxStyle.Information)
        End If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim alltext As String = "", lineoftext As String = ""
        OpenFileDialog1.Filter = "All Files|*.*"
        OpenFileDialog1.ShowDialog()
        If OpenFileDialog1.FileName <> "" Then
        End If
        Try
            FileOpen(1, OpenFileDialog1.FileName, OpenMode.Input)

            Do Until EOF(1)
                lineoftext = LineInput(1)
                alltext = alltext & lineoftext & vbCrLf
            Loop
            TextBox1.Text = alltext
        Catch
        Finally
            FileClose()
        End Try
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Kill(OpenFileDialog1.FileName)
    End Sub

    Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
        TextBox2.Text = OpenFileDialog1.FileName
    End Sub
End Class

3)That's About All!

[Agust1337]

This is not really the best way to do a AV, this is more like fake, cuz there is no virus with the code 'virus', one of the best way is through MD5 hash, but good anyways

[Lewis]

So here is the thing, im a hacker and every virus i make contains the word virus, i do this so i get caught? - Doesnt sound right, Nice try though

[zachman61]

This is not really the best way to do a AV, this is more like fake, cuz there is no virus with the code 'virus', one of the best way is through MD5 hash, but good anyways

how would u make one like that?

[MrBrockWalker]

If anti virus products used this way to detect virus's I'd want a better anti-virus lol, not bad though

[Agust1337]

This is not really the best way to do a AV, this is more like fake, cuz there is no virus with the code 'virus', one of the best way is through MD5 hash, but good anyways

how would u make one like that?

I have made one antivirus with that just look in Full Software for App Scanner or Show Room/Work in progress

[zachman61]

how can you make it work like that?

[Moayad]

this is fake

[reececlarke]

how can you make it work like that?

look at my anti virus
for a e.g it uses MD5 data base

[zachman61]

well that is pretty much advertising because its just a software not a tutorial or a source.