Sample viewer

vx.netlux.org/Virus.DOS.Blood.418.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:41:34.662714207Z 25 PC: 12ea4 | Get default drive
2018-12-17T22:41:34.664558508Z 14 PC: 12eab | Set default drive (Drive = 'C')
2018-12-17T22:41:34.666891029Z 26 PC: 12eb4 | Set disk transfer address
2018-12-17T22:41:34.668639518Z 78 PC: 12ec0 | Find first file
2018-12-17T22:41:34.675347988Z 79 PC: 12ee9 | Find next file
2018-12-17T22:41:34.67893857Z 44 PC: 12eef | Get time 0x12eef: and dl, 3
0x12ef2: jne 0x12f0e
0x12ef4: mov dx, 0x38
0x12ef7: add dx, bp
0x12ef9: mov ah, 9
0x12efb: in al, 0x61
0x12efd: or al, 3
0x12eff: out 0x61, al
0x12f01: int 0x21
0x12f03: mov cx, 0xffff
0x12f06: loop 0x12f06
0x12f08: in al, 0x61
0x12f0a: and al, 0xfc
0x12f0c: out 0x61, al
0x12f0e: pop ax
0x12f0f: mov dl, al
0x12f11: mov ah, 0xe
0x12f13: int 0x21
0x12f15: mov ah, 0x1a
0x12f17: mov dx, 0x80
2018-12-17T22:41:34.681847026Z 14 PC: 12f15 | Set default drive (Drive = 'A')
2018-12-17T22:41:34.68365965Z 26 PC: 12f1c | Set disk transfer address