Sample viewer

vx.netlux.org/Virus.DOS.Spanish.1417

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:42:12.931141936Z 74 PC: 12b53 | Reallocate memory
2018-12-17T22:42:12.934167375Z 26 PC: 12b59 | Set disk transfer address
2018-12-17T22:42:12.936279998Z 42 PC: 12b5d | Get date 0x12b5d: xor al, al
0x12b5f: cmp dx, 0xc1c
0x12b63: jne 0x12b67
0x12b65: dec al
0x12b67: mov byte ptr [0x3c], al
0x12b6a: mov ah, 0x30
0x12b6c: int 0x21
0x12b6e: mov byte ptr [0x3d], al
0x12b71: mov es, word ptr [0x3a]
0x12b75: mov es, word ptr es:[0x2c]
0x12b7a: xor di, di
0x12b7c: mov cx, 0x7fff
0x12b7f: xor al, al
0x12b81: repne scasb al, byte ptr es:[di]
0x12b83: cmp byte ptr es:[di], al
0x12b86: loopne 0x12b81
0x12b88: mov dx, di
0x12b8a: add dx, 3
0x12b8d: mov ax, word ptr [0x3a]
0x12b90: mov word ptr [0x47], ax
2018-12-17T22:42:12.939566522Z 48 PC: 12b6e | Get DOS version
2018-12-17T22:42:12.941330123Z 75 PC: 12ba5 | Execute program
2018-12-17T22:42:12.957690776Z 9 PC: 13412 | Display string (Could not find end pointer)
2018-12-17T22:42:12.962171181Z 76 PC: 13418 | Terminate with return code (Return code = '0')
2018-12-17T22:42:12.965461277Z 73 PC: 12bb4 | Release memory
2018-12-17T22:42:12.967671776Z 77 PC: 12bb8 | Get program return code
2018-12-17T22:42:12.968899851Z 49 PC: 12bc5 | Terminate and stay resident (Return code = '0' | Memory size = '113')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7473,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:46.02073613Z 74 PC: 12b53 | Reallocate memory
2018-12-25T12:01:46.02375665Z 26 PC: 12b59 | Set disk transfer address
2018-12-25T12:01:46.025374199Z 42 PC: 12b5d | Get date 0x12b5d: xor al, al
0x12b5f: cmp dx, 0xc1c
0x12b63: jne 0x12b67
0x12b65: dec al
0x12b67: mov byte ptr [0x3c], al
0x12b6a: mov ah, 0x30
0x12b6c: int 0x21
0x12b6e: mov byte ptr [0x3d], al
0x12b71: mov es, word ptr [0x3a]
0x12b75: mov es, word ptr es:[0x2c]
0x12b7a: xor di, di
0x12b7c: mov cx, 0x7fff
0x12b7f: xor al, al
0x12b81: repne scasb al, byte ptr es:[di]
0x12b83: cmp byte ptr es:[di], al
0x12b86: loopne 0x12b81
0x12b88: mov dx, di
0x12b8a: add dx, 3
0x12b8d: mov ax, word ptr [0x3a]
0x12b90: mov word ptr [0x47], ax
2018-12-25T12:01:46.028775239Z 48 PC: 12b6e | Get DOS version
2018-12-25T12:01:46.030647001Z 75 PC: 12ba5 | Execute program
2018-12-25T12:01:46.048957727Z 9 PC: 13412 | Display string (Could not find end pointer)
2018-12-25T12:01:46.055114484Z 76 PC: 13418 | Terminate with return code (Return code = '0')
2018-12-25T12:01:46.058562699Z 73 PC: 12bb4 | Release memory
2018-12-25T12:01:46.061503004Z 77 PC: 12bb8 | Get program return code
2018-12-25T12:01:46.062827508Z 49 PC: 12bc5 | Terminate and stay resident (Return code = '0' | Memory size = '113')

{"DateBased":true,"Day":28,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7473,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:46.289584609Z 74 PC: 12b53 | Reallocate memory
2018-12-25T12:01:46.291871463Z 26 PC: 12b59 | Set disk transfer address
2018-12-25T12:01:46.293196583Z 42 PC: 12b5d | Get date 0x12b5d: xor al, al
0x12b5f: cmp dx, 0xc1c
0x12b63: jne 0x12b67
0x12b65: dec al
0x12b67: mov byte ptr [0x3c], al
0x12b6a: mov ah, 0x30
0x12b6c: int 0x21
0x12b6e: mov byte ptr [0x3d], al
0x12b71: mov es, word ptr [0x3a]
0x12b75: mov es, word ptr es:[0x2c]
0x12b7a: xor di, di
0x12b7c: mov cx, 0x7fff
0x12b7f: xor al, al
0x12b81: repne scasb al, byte ptr es:[di]
0x12b83: cmp byte ptr es:[di], al
0x12b86: loopne 0x12b81
0x12b88: mov dx, di
0x12b8a: add dx, 3
0x12b8d: mov ax, word ptr [0x3a]
0x12b90: mov word ptr [0x47], ax
2018-12-25T12:01:46.295718115Z 48 PC: 12b6e | Get DOS version
2018-12-25T12:01:46.297523224Z 75 PC: 12ba5 | Execute program
2018-12-25T12:01:46.311638599Z 9 PC: 13412 | Display string (Could not find end pointer)
2018-12-25T12:01:46.31742111Z 76 PC: 13418 | Terminate with return code (Return code = '0')
2018-12-25T12:01:46.320329524Z 73 PC: 12bb4 | Release memory
2018-12-25T12:01:46.322131087Z 77 PC: 12bb8 | Get program return code
2018-12-25T12:01:46.323459505Z 49 PC: 12bc5 | Terminate and stay resident (Return code = '0' | Memory size = '113')