Sample viewer

vx.netlux.org/Virus.DOS.Karol.1000

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:52:52.712461632Z 82 PC: 1448b | Get DOS internal pointers (SYSVARS)
2018-12-17T22:52:52.715167224Z 53 PC: 13452 | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:52:52.717115164Z 53 PC: 13452 | Get interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:52:52.718620622Z 53 PC: 13452 | Get interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:52:52.720061038Z 53 PC: 13452 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:52:52.722273253Z 53 PC: 13452 | Get interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:52:52.723482625Z 53 PC: 13452 | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:52:52.724665688Z 53 PC: 13452 | Get interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:52:52.726407439Z 53 PC: 13452 | Get interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:52:52.728085692Z 53 PC: 13452 | Get interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:52:52.72965535Z 53 PC: 13452 | Get interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:52:52.732147782Z 53 PC: 13452 | Get interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:52:52.733464866Z 53 PC: 13452 | Get interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:52:52.734849457Z 53 PC: 13452 | Get interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:52:52.749826902Z 53 PC: 13452 | Get interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:52:52.751819775Z 53 PC: 13452 | Get interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:52:52.754408568Z 53 PC: 13452 | Get interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:52:52.75670955Z 53 PC: 13452 | Get interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:52:52.758784969Z 53 PC: 13452 | Get interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:52:52.760300636Z 53 PC: 13452 | Get interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:52:52.761844446Z 37 PC: 13467 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:52:52.764225749Z 37 PC: 1346f | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:52:52.765797502Z 37 PC: 13477 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:52:52.767244229Z 37 PC: 1347f | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:52:52.770799779Z 68 PC: 137ef | I/O control for devices (Set for = '')
2018-12-17T22:52:52.875400227Z 37 PC: 12e75 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:52:52.879935888Z 58 PC: 142fa | Remove subdirectory
2018-12-17T22:52:52.890181083Z 25 PC: 14233 | Get default drive
2018-12-17T22:52:52.891714653Z 71 PC: 14246 | Get current directory
2018-12-17T22:52:52.895646199Z 59 PC: 142fa | Change current directory
2018-12-17T22:52:52.903782482Z 14 PC: 1428c | Set default drive (Drive = 'A')
2018-12-17T22:52:52.905996672Z 25 PC: 14290 | Get default drive
2018-12-17T22:52:52.907961623Z 59 PC: 142fa | Change current directory
2018-12-17T22:52:53.081726023Z 54 PC: 12d6a | Get free disk space
2018-12-17T22:52:53.089529763Z 67 PC: 12dca | Get or set file attributes
2018-12-17T22:52:53.094991402Z 60 PC: 1407a | Create or truncate file
2018-12-17T22:52:53.424883714Z 62 PC: 140ca | Close file
2018-12-17T22:52:53.42789478Z 65 PC: 141c3 | Delete file (Filename = 'C:\mempatch.exe')
2018-12-17T22:52:53.438988639Z 37 PC: 13566 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:52:53.44076156Z 37 PC: 13566 | Set interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:52:53.443535711Z 37 PC: 13566 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:52:53.445243279Z 37 PC: 13566 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:52:53.4469531Z 37 PC: 13566 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:52:53.4494764Z 37 PC: 13566 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:52:53.451772483Z 37 PC: 13566 | Set interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:52:53.453204473Z 37 PC: 13566 | Set interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:52:53.455621784Z 37 PC: 13566 | Set interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:52:53.468618729Z 37 PC: 13566 | Set interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:52:53.470028236Z 37 PC: 13566 | Set interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:52:53.471675401Z 37 PC: 13566 | Set interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:52:53.474144148Z 37 PC: 13566 | Set interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:52:53.47563076Z 37 PC: 13566 | Set interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:52:53.477197413Z 37 PC: 13566 | Set interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:52:53.479782259Z 37 PC: 13566 | Set interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:52:53.481796192Z 37 PC: 13566 | Set interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:52:53.483571848Z 37 PC: 13566 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:52:53.486372218Z 37 PC: 13566 | Set interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:52:53.488132494Z 76 PC: 135a5 | Terminate with return code (Return code = '0')