Sample viewer

vx.netlux.org/Virus.DOS.Wilbur.512.b

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:48.882299289Z 26 PC: 13997 | Set disk transfer address
2018-12-17T23:10:48.884122809Z 78 PC: 13960 | Find first file
2018-12-17T23:10:48.892338112Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.895433655Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.898782485Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.902840708Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.907907038Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.910714679Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.914182112Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.916867514Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.922061453Z 78 PC: 13960 | Find first file
2018-12-17T23:10:48.929403424Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.932820492Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.936167808Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.93993802Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.943314792Z 79 PC: 1396b | Find next file
2018-12-17T23:10:48.946251987Z 61 PC: 13a0d | Open file (Filename = 'MANDEL.COM')
2018-12-17T23:10:48.954243108Z 63 PC: 13a1f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:48.962052639Z 66 PC: 13a72 | Move file pointer
2018-12-17T23:10:48.963697723Z 64 PC: 13a7c | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:48.966772848Z 66 PC: 13a88 | Move file pointer
2018-12-17T23:10:48.969691548Z 64 PC: 13a93 | Write file or device (Write 512 bytes on handle 5)
2018-12-17T23:10:48.98628473Z 87 PC: 13a46 | Get or set file date and time
2018-12-17T23:10:48.988634761Z 62 PC: 13a4a | Close file
2018-12-17T23:10:48.998053908Z 42 PC: 139c5 | Get date 0x139c5: xor bx, bx
0x139c7: mov cx, 0x53
0x139ca: lea si, word ptr [bp + 0x155]
0x139ce: mov di, si
0x139d0: lodsw ax, word ptr [si]
0x139d1: xor ax, dx
0x139d3: xor bx, ax
0x139d5: stosw word ptr es:[di], ax
0x139d6: ror dx, 1
0x139d8: loop 0x139d0
0x139da: cmp bx, 0xa483
0x139de: jne 0x139e3
0x139e0: call 0x13a95
0x139e3: mov dx, 0x80
0x139e6: mov ah, 0x1a
0x139e8: int 0x21
0x139ea: ret
0x139eb: call 0x23956
0x139ee: jb 0x13a13
0x139f0: mov bx, word ptr [bp + 0x21f]
2018-12-17T23:10:49.00069688Z 26 PC: 139ea | Set disk transfer address