Sample viewer

vx.netlux.org/Virus.DOS.Parity.441

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:08.941072936Z 53 PC: 12a6f | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:50:08.947038192Z 37 PC: 12a83 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:50:08.948329157Z 26 PC: 12a8f | Set disk transfer address
2018-12-17T22:50:08.9501441Z 78 PC: 12a9d | Find first file
2018-12-17T22:50:08.956847306Z 61 PC: 12aae | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:50:08.964027173Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:08.966997913Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:08.969582099Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:08.971193593Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:08.977363273Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:08.979279473Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:08.982559167Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:08.984733195Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:08.988319662Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:08.989966614Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.005466041Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.007270256Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.015755921Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.019159999Z 61 PC: 12aae | Open file (Filename = 'PRINT.COM')
2018-12-17T22:50:09.02590387Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.028120901Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.029520142Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.030874058Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.038121308Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.040039939Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.042869897Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.045820568Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.048797807Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.050525023Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.054434971Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.056243718Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.063984356Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.06799859Z 61 PC: 12aae | Open file (Filename = 'HELLO.COM')
2018-12-17T22:50:09.074739647Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.076491269Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.07917768Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.081418192Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.088214337Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.090609837Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.093238103Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.094721872Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.106659279Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.108166775Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.116175721Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.118818126Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.126687144Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.129919452Z 61 PC: 12aae | Open file (Filename = 'PHANG.COM')
2018-12-17T22:50:09.136784839Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.13877955Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.140576823Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.142328116Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.14988609Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.151669133Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.154486275Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.156723898Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.15988591Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.16158709Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.165840276Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.168556006Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.17621257Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.180382148Z 61 PC: 12aae | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:50:09.187133644Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.188774144Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.191481366Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.193203281Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.199691201Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.202167258Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.205184587Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.206817563Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.210873985Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.212497315Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.215330756Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.217802306Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.22611443Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.228738423Z 61 PC: 12aae | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:50:09.236140459Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.237787127Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.239290623Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.242072335Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.24849716Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.249767665Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.253952749Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.256393459Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.259214269Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.261599875Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.270519278Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.272211834Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.280611966Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.284056552Z 61 PC: 12aae | Open file (Filename = 'PAH.COM')
2018-12-17T22:50:09.290590032Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.292138983Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.294594656Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.296190689Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.302706649Z 66 PC: 12b04 | Move file pointer
2018-12-17T22:50:09.30480886Z 63 PC: 12b10 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:09.307250212Z 66 PC: 12b1d | Move file pointer
2018-12-17T22:50:09.308555719Z 64 PC: 12b3a | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:09.31203458Z 66 PC: 12b49 | Move file pointer
2018-12-17T22:50:09.31405752Z 64 PC: 12b55 | Write file or device (Write 441 bytes on handle 5)
2018-12-17T22:50:09.31655149Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.319333614Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.326604574Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.329027781Z 61 PC: 12aae | Open file (Filename = 'TEST.COM')
2018-12-17T22:50:09.337279597Z 66 PC: 12abd | Move file pointer
2018-12-17T22:50:09.339101759Z 87 PC: 12acb | Get or set file date and time
2018-12-17T22:50:09.340870258Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:50:09.34377441Z 63 PC: 12aee | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:50:09.346531189Z 87 PC: 12b62 | Get or set file date and time
2018-12-17T22:50:09.348111563Z 62 PC: 12b66 | Close file
2018-12-17T22:50:09.355734035Z 79 PC: 12b6f | Find next file
2018-12-17T22:50:09.357992617Z 44 PC: 12b78 | Get time 0x12b78: cmp dl, 2
0x12b7b: jg 0x12ba0
0x12b7d: mov ax, 2
0x12b80: int 0x10
0x12b82: mov cx, 0x1b
0x12b85: mov bx, 0
0x12b88: sub word ptr [bx + di + 0x25f], 3
0x12b8e: inc bx
0x12b8f: loop 0x12b88
0x12b91: mov ah, 9
0x12b93: mov dx, 0x25f
0x12b96: add dx, di
0x12b98: int 0x21
0x12b9a: cli
0x12b9b: mov al, 0
0x12b9d: out 0x3d, al
0x12b9f: hlt
0x12ba0: mov ax, 0x100
0x12ba3: push ax
0x12ba4: ret
2018-12-17T22:50:09.359892072Z 76 PC: 12a4a | Terminate with return code (Return code = '0')