Sample viewer

vx.netlux.org/Virus.DOS.VCL.CountDown.1300

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:07:43.436451027Z 47 PC: 14bc7 | Get disk transfer address
2018-12-17T23:07:43.438591205Z 26 PC: 14bd0 | Set disk transfer address
2018-12-17T23:07:43.445268727Z 71 PC: 15064 | Get current directory
2018-12-17T23:07:43.448335558Z 59 PC: 1506d | Change current directory
2018-12-17T23:07:43.453126828Z 47 PC: 14c7f | Get disk transfer address
2018-12-17T23:07:43.454392526Z 26 PC: 14ca3 | Set disk transfer address
2018-12-17T23:07:43.455624793Z 78 PC: 15047 | Find first file
2018-12-17T23:07:43.46206714Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.466591415Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.469761291Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.472916318Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.477427092Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.480468636Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.4834689Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.487008696Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.490000783Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.492769814Z 47 PC: 15035 | Get disk transfer address
2018-12-17T23:07:43.49714923Z 26 PC: 14d0e | Set disk transfer address
2018-12-17T23:07:43.503588945Z 78 PC: 14d17 | Find first file
2018-12-17T23:07:43.510723309Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.512550318Z 61 PC: 14e7b | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:07:43.519499354Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.526224137Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.527946878Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.530388474Z 67 PC: 14ee7 | Get or set file attributes
2018-12-17T23:07:43.54819653Z 61 PC: 14ef1 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:07:43.555710324Z 64 PC: 14f02 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:07:43.558854395Z 66 PC: 14f65 | Move file pointer
2018-12-17T23:07:43.560367397Z 64 PC: 14f2b | Write file or device (Write 1300 bytes on handle 5)
2018-12-17T23:07:43.569968319Z 87 PC: 14f7e | Get or set file date and time
2018-12-17T23:07:43.572768959Z 62 PC: 14f34 | Close file
2018-12-17T23:07:43.581223737Z 67 PC: 14f3a | Get or set file attributes
2018-12-17T23:07:43.59280538Z 26 PC: 14d35 | Set disk transfer address
2018-12-17T23:07:43.595169936Z 26 PC: 1504f | Set disk transfer address
2018-12-17T23:07:43.596895627Z 59 PC: 15079 | Change current directory
2018-12-17T23:07:43.599398967Z 71 PC: 15064 | Get current directory
2018-12-17T23:07:43.60298866Z 59 PC: 1506d | Change current directory
2018-12-17T23:07:43.609013158Z 47 PC: 14c7f | Get disk transfer address
2018-12-17T23:07:43.61080837Z 26 PC: 14ca3 | Set disk transfer address
2018-12-17T23:07:43.612817681Z 78 PC: 15047 | Find first file
2018-12-17T23:07:43.61941933Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.62226386Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.642003718Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.64524701Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.648368463Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.651757542Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.655233676Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.657894134Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.66054181Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.663759972Z 47 PC: 15035 | Get disk transfer address
2018-12-17T23:07:43.665408189Z 26 PC: 14d0e | Set disk transfer address
2018-12-17T23:07:43.667190269Z 78 PC: 14d17 | Find first file
2018-12-17T23:07:43.674600852Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.677241919Z 61 PC: 14e7b | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:07:43.684766279Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.693100321Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.694951429Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.697195126Z 79 PC: 14d17 | Find next file
2018-12-17T23:07:43.70134361Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.702860515Z 61 PC: 14e7b | Open file (Filename = 'PRINT.COM')
2018-12-17T23:07:43.710767945Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.71912986Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.721498525Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.723762816Z 67 PC: 14ee7 | Get or set file attributes
2018-12-17T23:07:43.735183331Z 61 PC: 14ef1 | Open file (Filename = 'PRINT.COM')
2018-12-17T23:07:43.742627921Z 64 PC: 14f02 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:07:43.744712848Z 66 PC: 14f65 | Move file pointer
2018-12-17T23:07:43.746447242Z 64 PC: 14f2b | Write file or device (Write 1300 bytes on handle 5)
2018-12-17T23:07:43.752475181Z 87 PC: 14f7e | Get or set file date and time
2018-12-17T23:07:43.753781654Z 62 PC: 14f34 | Close file
2018-12-17T23:07:43.759022261Z 67 PC: 14f3a | Get or set file attributes
2018-12-17T23:07:43.765738687Z 26 PC: 14d35 | Set disk transfer address
2018-12-17T23:07:43.766745717Z 26 PC: 1504f | Set disk transfer address
2018-12-17T23:07:43.76770593Z 59 PC: 15079 | Change current directory
2018-12-17T23:07:43.769996219Z 71 PC: 15064 | Get current directory
2018-12-17T23:07:43.772901545Z 59 PC: 1506d | Change current directory
2018-12-17T23:07:43.777239041Z 47 PC: 14c7f | Get disk transfer address
2018-12-17T23:07:43.77875616Z 26 PC: 14ca3 | Set disk transfer address
2018-12-17T23:07:43.779809881Z 78 PC: 15047 | Find first file
2018-12-17T23:07:43.786937567Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.790337133Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.792944396Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.7955364Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.798857811Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.801157186Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.803061272Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.804939731Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.807329927Z 79 PC: 14cdd | Find next file
2018-12-17T23:07:43.809073839Z 47 PC: 15035 | Get disk transfer address
2018-12-17T23:07:43.810190042Z 26 PC: 14d0e | Set disk transfer address
2018-12-17T23:07:43.811843464Z 78 PC: 14d17 | Find first file
2018-12-17T23:07:43.819122171Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.820090683Z 61 PC: 14e7b | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:07:43.825071842Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.82951589Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.830741763Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.832894032Z 79 PC: 14d17 | Find next file
2018-12-17T23:07:43.835878889Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.836934517Z 61 PC: 14e7b | Open file (Filename = 'PRINT.COM')
2018-12-17T23:07:43.844437729Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.851593396Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.853057266Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.855149058Z 79 PC: 14d17 | Find next file
2018-12-17T23:07:43.857326176Z 47 PC: 14e29 | Get disk transfer address
2018-12-17T23:07:43.858440373Z 61 PC: 14e7b | Open file (Filename = 'HELLO.COM')
2018-12-17T23:07:43.863241009Z 63 PC: 14e80 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:43.870259773Z 66 PC: 14ea8 | Move file pointer
2018-12-17T23:07:43.871784636Z 62 PC: 14ece | Close file
2018-12-17T23:07:43.873709195Z 67 PC: 14ee7 | Get or set file attributes
2018-12-17T23:07:43.885143306Z 61 PC: 14ef1 | Open file (Filename = 'HELLO.COM')
2018-12-17T23:07:43.890326507Z 64 PC: 14f02 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:07:43.893628998Z 66 PC: 14f65 | Move file pointer
2018-12-17T23:07:43.895873147Z 64 PC: 14f2b | Write file or device (Write 1300 bytes on handle 5)
2018-12-17T23:07:43.903830219Z 87 PC: 14f7e | Get or set file date and time
2018-12-17T23:07:43.905363871Z 62 PC: 14f34 | Close file
2018-12-17T23:07:43.91351513Z 67 PC: 14f3a | Get or set file attributes
2018-12-17T23:07:43.924432326Z 26 PC: 14d35 | Set disk transfer address
2018-12-17T23:07:43.925645874Z 26 PC: 1504f | Set disk transfer address
2018-12-17T23:07:43.927638409Z 59 PC: 15079 | Change current directory
2018-12-17T23:07:43.929756166Z 42 PC: 14bfe | Get date 0x14bfe: mov al, dl
0x14c00: cwde
0x14c01: cmp ax, 0x12
0x14c04: jne 0x14c10
0x14c06: call 0x14f59
0x14c09: cmp ax, 1
0x14c0c: jne 0x14c10
0x14c0e: jmp 0x14c26
0x14c10: call 0x14f59
0x14c13: cmp ax, 0xc
0x14c16: jne 0x14c61
0x14c18: mov ah, 0x2a
0x14c1a: int 0x21
0x14c1c: mov al, dl
0x14c1e: cwde
0x14c1f: cmp ax, 0x14
0x14c22: jl 0x14c61
0x14c24: jmp 0x14c26
0x14c26: lea si, word ptr [di + 0x2cd]
0x14c2a: mov ah, 0xe
2018-12-17T23:07:43.932382121Z 42 PC: 14f5e | Get date 0x14f5e: mov al, dh
0x14f60: nop
0x14f61: cwde
0x14f62: ret
0x14f63: int 0x21
0x14f65: ret
0x14f66: lea dx, word ptr [bp - 0x80]
0x14f69: jmp 0x14bce
0x14f6c: sub sp, 0x80
0x14f70: jmp 0x14bc3
0x14f73: mov ax, 0x5701
0x14f76: mov cx, word ptr [si + 0x16]
0x14f79: mov dx, word ptr [si + 0x18]
0x14f7c: int 0x21
0x14f7e: jmp 0x14f2f
0x14f80: movsw word ptr es:[di], word ptr [si]
0x14f81: jmp 0x14b9e
0x14f84: pop cx
0x14f85: jmp 0x14bf7
0x14f88: mov bp, sp
2018-12-17T23:07:43.935500735Z 42 PC: 14c1c | Get date 0x14c1c: mov al, dl
0x14c1e: cwde
0x14c1f: cmp ax, 0x14
0x14c22: jl 0x14c61
0x14c24: jmp 0x14c26
0x14c26: lea si, word ptr [di + 0x2cd]
0x14c2a: mov ah, 0xe
0x14c2c: lodsb al, byte ptr [si]
0x14c2d: or al, al
0x14c2f: je 0x14c35
0x14c31: int 0x10
0x14c33: jmp 0x14c2c
0x14c35: mov cx, 0x3e8
0x14c38: jcxz 0x14c41
0x14c3a: mov ax, 0xe07
0x14c3d: int 0x10
0x14c3f: loop 0x14c3d
0x14c41: mov ax, 2
0x14c44: mov cx, 0x1770
0x14c47: call 0x14e1c
2018-12-17T23:07:43.937743762Z 26 PC: 14c66 | Set disk transfer address
2018-12-17T23:07:43.939168109Z 51 PC: 130c8 | Get or set Ctrl-Break
2018-12-17T23:07:43.94047851Z 84 PC: 130cc | Get verify flag
2018-12-17T23:07:43.942046931Z 46 PC: 14172 | Set verify flag
2018-12-17T23:07:43.943436737Z 37 PC: 130dd | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T23:07:43.945053302Z 25 PC: 14172 | Get default drive
2018-12-17T23:07:43.946678256Z 71 PC: 14172 | Get current directory
2018-12-17T23:07:43.950689895Z 73 PC: 13168 | Release memory
2018-12-17T23:07:43.95249787Z 74 PC: 1316f | Reallocate memory
2018-12-17T23:07:43.954514978Z 71 PC: 14172 | Get current directory
2018-12-17T23:07:43.961361033Z 78 PC: 14172 | Find first file
2018-12-17T23:07:43.968761179Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.972477651Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.975923336Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.979550389Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.983299109Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.986963337Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.99058137Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.994188563Z 79 PC: 14457 | Find next file
2018-12-17T23:07:43.997597761Z 79 PC: 14457 | Find next file
2018-12-17T23:07:44.001820428Z 25 PC: 14172 | Get default drive
2018-12-17T23:07:44.003484684Z 71 PC: 14172 | Get current directory
2018-12-17T23:07:44.007048676Z 54 PC: 141a7 | Get free disk space
2018-12-17T23:07:44.017318362Z 59 PC: 14172 | Change current directory
2018-12-17T23:07:44.022109812Z 14 PC: 14172 | Set default drive (Drive = 'A')
2018-12-17T23:07:44.023893201Z 59 PC: 14172 | Change current directory