Virus Database

Ugrad.1145

Description Ugrad.1145

This is a benign memory resident parasitic virus. It hooks INT 21h, and writes itself to the end of COM and EXE files that are executed or created and then closed (copied, restored from backup or archives). On the weekend, the virus also hooks INT 8, and in time, disables the keyboard and video refresh control.

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Aija

Description Aija

It's a dangerous memory resident boot stealth virus. On loading from infected floppy it hits MBR of hard drive and returns control to host sector. On loading from infected MBR it hooks INT 13h and writes itself into boot sectors of floppies. The virus saves its second part and original sector at the last two sectors of disk (of the first logical disk on hard drive). On March, 25th it erases disk sectors and displays the message:
FINNISH_SPRAYER.1. Send your Painting +358-0-4322019 (FAX), [Aija]

It contains the internal strings also:
Ai
Tks to B.B., Z-VirX all.. [Aija]

Aircop.a

Description Aircop.a

This is a very dangerous virus that infects Boot-sectors of floppy disks and saves the old Boot-record at the address 39/1/9 (track/head/sector). The virus erases all data in this sector. "Aircop" tries to survive during a reboot process. If there is no DOS system files on a floppy, the virus displays: "Non-system". It periodically displays "RED STATE, Germ offensing --Aircop". The virus hooks INT 12h, 13h, 1Bh.

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